INDIGO A320 QB.pdf

A320 Multiple Choice Questions 36 continue Disclaimer This document is for training purpose only. Always refer latest revisions of manuals in case of conflict....

A320 Multiple Choice Questions 36 continue Disclaimer This document is for training purpose only. Always refer latest revisions of manuals in case of conflict. [email protected]  A320 TECHNICAL QUESTIONS Contents Air-conditioning, Pressurization and Ventilation System......................................................... 4 36 Auto Flight System.................................................................................................................. 19 Communications...................................................................................................................... 94 Electrical................................................................................................................................ 110 Fire Protection System.......................................................................................................... 125 Flight Controls....................................................................................................................... 135 Fuel System........................................................................................................................... 181 Hydraulics.............................................................................................................................. 197 Ice & Rain Protection System............................................................................................... 207 Indicating & Recording System............................................................................................ 217 Landing Gears....................................................................................................................... 267 Lights..................................................................................................................................... 291 Navigation System................................................................................................................. 295 Oxygen System...................................................................................................................... 329 Pneumatics System................................................................................................................ 335 APU....................................................................................................................................... 350 Doors..................................................................................................................................... 357 Power Plant............................................................................................................................ 360 A320 TECHNICAL QUESTIONS  A320 TECHNICAL QUESTIONS Auto Flight System Air-conditioning, Pressurization and Ventilation System For air-conditioning purpose, the cabin is divided into Two zones Three zones Four zones There are two Packs, however both are required for dispatch of the aircraft. True False Single pack is sufficient enough to maintain pressurization of aircraft True False The air conditioning system is fully automatic. A. True B. False Mark the correct statements: 1. The air conditioning system is fully automatic. 2. It provides continuous air renewal in the three zones. 3. It maintains a constant, selected temperature in the three zones. 4. These three zones are independently controlled. A. 1 B. 2, 3 C. 1, 2, 3 D. 1, 2, 3, 4 Air for air conditioning system is supplied by the pneumatic system, A. True B. False Temperature regulation is optimized via A. The hot air pressure regulating valve, B. The trim air valves Questions on Chapter 22 Page 4 of 428  A320 TECHNICAL QUESTIONS Auto Flight System C. Both are correct. Temperature regulation is controlled by two Air Conditioning System Controllers. A. True B. False From which of the cabin crew panel, cabin zone temperature can be modified that is selected from the cockpit? A. From Forward Attendant Panel {FAP] and Aft Attendant Panel {AAP} B. From FAP C. From AAP D. This feature is not available on the present fleet of IndiGo A320 a/c. There are three Trim Air valves, one for Cockpit zone and one each for FWD and AFT cabin zones. Trim air valves optimize the respective zone temperature by: Adding hot air Adding FRESH air Modulating the pack flow Adding re-circulated CABIN air The temperature of each aircraft zone is optimized by means of: A) A HOT AIR valve. B) A ZONE control valve. C) A PACK FLOW VALVE. D) A TRIM AIR valve. Mark the correct statements: 1. The cockpit trim air valve is controlled by the air conditioning system controller 1. 2. The cabin trim air valves {FWD and AFT} are controlled by the air conditioning system controller 2, 3. These trim air valves adjust the temperature by adding hot air. 4. In case of HOT AIR pressure-regulating valve failure or closure, all trim valves also go to close position. 1,3 2,3 1,2,3 1,2,3,4 Questions on Chapter 22 Page 5 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The cockpit trim air valve, controlled by the A. Air conditioning system controller 1 B. Air conditioning system controller 2 C. Air conditioning system controller 1 and 2 The cabin trim air valves are controlled by the A. Air conditioning system controller 1 B. Air conditioning system controller 2 C. Air conditioning system controller 1 and 2 FWD cabin temp selector is set to 12 O clock position FWD cabin temperature is controlled to 18 deg. c FWD cabin is controlled to a temp of 24 deg c. AFT cabin is controlled to a temp of 24 deg c. FWD and AFT cabin temp is controlled to 18 deg. c Position of TRIM Air valves and HOT AIR pressure regulating valve are indicated on COND SD page. BLEED SD page COND & BLEED SD pages COND and CAB PRESS SD pages. When LO is selected on the PACK FLOW selector, the pack flow is: 80% 100% 120% Even when LO is selected on the PACK FLOW selector, the pack flow is automatically selected NORM in case of: Single pack operation. APU supplying bleed air. Cooling demand not being met. All the above. Questions on Chapter 22 Page 6 of 428  A320 TECHNICAL QUESTIONS Auto Flight System When LO is selected on the PACK FLOW selector, the pack flow is automatically selected HI in case of: APU supplying bleed air. abnormally hot and humid conditions Number of passengers in the cabin higher than 115. Both, (A) and (B). When only one pack is operating and Pack selector is at LO. What is the flow? 80% of normal flow. 150% of normal flow. Normal flow 120% of normal flow. Inputs to the mixer unit are: From Packs {1 + 2} only From both Packs and Cabin Fan From both Packs, Cabin Fan, and Emergency Ram Air From Packs, Cabin Fan, Emergency Ram Air and LP Ground inlets. HOT-AIR PRESSURE-REGULATING VALVE closes when: 1. You press the HOT AIR pushbutton on the AIR COND panel, 2. Both lanes of ACSC #1{air conditioning system controller} fail. 3. The duct overheats, or 4. The cockpit trim air valve fails, or 5. Both cabin trim air valves fail. 1 2 1,2,3 1,2,3,4,5 What is the effect of selecting the Hot Air p/b switch to OFF.? It will close hot air pressure regulating valve only. It will open all the trim air valves. It will close hot air pressure regulating valve and all the trim air valves. It will close hot air pressure valve and open all the trim air valves. Hot air "FAULT" light illuminates on the air conditioning panel. The hot air press reg. valve opens and all the trim air valves close. The hot air press reg. valve closes and all the trim air valves open. The hot air press reg. valve closes and all the trim air valves close. Questions on Chapter 22 Page 7 of 428  A320 TECHNICAL QUESTIONS Auto Flight System After taxi out, HOT AIR p/b amber FAULT light comes ON along with associated ECAM caution. What could be the reasons? Duct over-pressure is detected. Duct over-heat is detected. Any of the cabin trim air valve has failed, stuck in open All of the above conditions. Trim air valve will regulate the temp anyways What happens if the hot air pressure regulating valve fails in the open position? No effect on temp regulation Pack 1 controls the cockpit, pack 2 controls the cabin temp to the mean value of the selected temp. Trim air valves go to closed position to optimize the temperatures as hot air keeps supplied by Hot Air Valve. No effect on the cockpit. Cabin temp are controlled to a fixed temp of 15 Deg.c Select correct statements: Pack Flow Control Valve closes automatically in case of 1. Pack Compressor outlet-overheat. 2. Engine start sequence 3. Fire pushbutton, of the engine on the related side, is pressed, 4. Ditching is selected. A) 2,3,4 B) 1,2,3,4 C) 1,2,3 D) 2,3 Temperature regulation of the Packs is automatic, and controlled by …. Associated Pack controller. Associated Zone controller. Both, the associated Pack controller and the Zone controller. The associated Air conditioning system controller as there are no Pack Controllers or Zone Controllers on new A320 aircrafts. When ACSC No.1 fails, 1. Pack flow control valve no. 1 will close. Questions on Chapter 22 Page 8 of 428  A320 TECHNICAL QUESTIONS Auto Flight System 2. Pack flow control valve no.2 will go to higher flow irrespective of the PACK FLOW Selector position. 3. Hot Air Pressure regulating Valve will close. 4. Cockpit + Cabin temp at fixed temp only because of Hot Air Press Regulating Valve closure and all trim air valves closure. A.) 3,4 B.) 3 C.) 1,2,3,4 D.) 1,3,4 With ACSC No.1 failure, flight will be on single pack. A.) True B.) False When ACSC No.1 fails, Pack flow control valve no.2 will go to higher flow irrespective of the PACK FLOW Selector position. A.) True B.) False What happens when ACSC No.2 fails? 1. Pack flow control valve no. 2 will close and Pack flow control valve no.1 will go to higher flow irrespective of the Pack Flow Selector position. 2. Cabin Trim Air Valves {FWD + AFT} close. 3. Cockpit temp control normal but Cabin temp at fixed temp only. A) 1 B) 1,2 C) 1,2,3 D) 2 How are the Ram Air Inlet and outlets controlled? Open during takeoff and landing. Closed during takeoff, closed during landing till the speed reaches 70 kts Closed during takeoff and remain open until the speed reaches 70 kts during landing Closed during landing when the speed is less than 70 kts. Questions on Chapter 22 Page 9 of 428  A320 TECHNICAL QUESTIONS Auto Flight System With Pack 1 and 2 Fault, the recommended max FL is 100 / MEA {whichever is higher} 140 / MEA {whichever is higher} 150 / MEA {whichever is higher} 250 / MEA {whichever is higher} Select the correct statements: 1. The guarded p/b of Emergency RAM AIR is to be used when Cabin differential Pressure is less than 1 psi. 2. Emergency RAM AIR is used in case of Smoke Removal Procedure to remove smoke. 3. Emergency RAM AIR is used in case of both Packs 1+ 2 Fail. A) 1,2,3 B) 1,2 C) 1 D) 2,3 When should RAM air p/b switch be used? What happens then? Only when differential pressure is less than 1 psi. It opens the EMER RAM AIR inlet and outflow valve open to 50 % position if CAB is AUTO. Whenever more ventilation is needed Only when differential pressure is less than 1 psi, it opens the EMER RAM AIR inlet and closes the packs When differential pressure is less than 1 psi, it opens the EMER RAM AIR inlet and closes the outflow valve. When would you select RAM AIR ON? A) If additional cooling is required on the ground. B) Dual pack failure or smoke removal. C) When pack temperatures are too high. D) When there is smoke in the cabin. What limitation is associated with the ram air valve? Questions on Chapter 22 Page 10 of 428  A320 TECHNICAL QUESTIONS Auto Flight System A) Do not open if cabin pressure is greater than 1 psi. B) Only open while on the ground. C) Will not open if the DITCHING switch is off. Questions on Chapter 22 Page 11 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Cabin Pressure system operates: 1. Automatically, 2. Semi-Automatically, 3. Manually. A) 1, 3 B) 1, 2, 3 When the system is in automatic or semi-automatic mode, one controller is active, the other is on standby. True False How many of the independent electric motors power the outflow valve? A) One B) Two C) Three 2 auto and 1 manual D) Four In manual pressure control mode ECAM indications are not available Outflow valve position signal is transmitted via manual backup section of controller No.1 Outflow valve position signal is transmitted via back up section of controller No. 2 Outflow valve is set to full open always. Mark the correct statements: 1. Cabin pressurization system has one RPCU 2. Cabin pressurization system has two RPCUs 3. Cabin pressurization system has two Cabin Pressure Controllers (CPC) 4. Cabin pressurization system has one Cabin Pressure Controllers (CPC) A. 2, 3 B. 1, 3 C. 2, 4 D. 1, 4 Only one controller {CPC} operates at a time. An automatic transfer from one CPC to another controller occurs: A. 70 s after each landing. B. If the operating system fails. C. Both are correct. When will Auto transfer from one CPC to another controller occur? At each landing initiated 70 sec after each landing. Questions on Chapter 22 Page 12 of 428  A320 TECHNICAL QUESTIONS Auto Flight System In case of failure of the operating system. If FMGS fails (A) and (B) are correct In cruise, you find cabin V/S is fluctuating up and down and is uncomforting to you as well as to pax. You want to switchover the Cabin Pressure Controller and it is done by: Selecting the Cabin Pressure MODE SEL p/b to MAN and then back to AUTO. As in (A) but the MODE SEL should be left in MAN for at least 10 sec The switch over may be carried out not more than twice in a flight. Both (A) and (C) are correct The maximum descent rate for cabin is 750 ft/min. True False If you have to divert to a place for which landing field elevation data is not available in the FMGC data base, you will have to set manually the landing field elevation by pulling the LDG ELEV Sel. The cabin altitude is ….. Only controllable manually through the MAN V/S CTL sw. Still controlled automatically through the out flow valve. Still controlled normally through the safety valve Only controllable manually through the LDG ELEV selector. If landing field elevation from FMGC is not available, you have to set manually by pulling the LDG ELEV Sel. The cabin altitude is ….. Only controllable manually through the MAN V/S CTL sw. Still controlled automatically through the out flow valve. Still controlled normally through the safety valve Only controllable manually through the LDG ELEV selector. When FMGS data is not available for automatic pressurization, A. The crew only needs to select the landing field elevation on the CAB PRESS Panel. B. The crew only needs to feed the landing field elevation in the APPR Perf Page. C. Both of the above. Mark the correct statement: LDG ELEV AUTO appears in green when LDG ELEV selector is in AUTO. LDG ELEV MAN appears in green if LDG ELEV Selector is not in AUTO. If ECAM has CAB PR LDG ELEV FAULT, landing field elevation from FMGC is not available and landing elevation must be manually selected with LDG ELEV selector. All the above are correct Questions on Chapter 22 Page 13 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Which are the correct statement regarding CAB PRESS mode selector p/b? With both the CPC failure, mode selector FAULT light comes on. With single CPC failure, mode selector FAULT light comes on As in (A) and when the mode selector p/b is selected to MAN, MAN illuminates white and FAULT extinguishes. As in (A) and when the mode selector p/b is selected to MAN, MAN illuminates white and FAULT remains illuminated. The MODE SEL p/b in MAN mode, allows you to use the MAN V/S CTL sw in order to Manually alter the air inlet valve setting. Manually adjust the pack flow valve. Manually adjust the outflow valve. Manually alter the pack outflow valve setting. About MAN V/S CTL toggle switch: 1. The switch actuation is very fast. 2. The switch should not be maintained in UP or DOWN position for longer time. 3. If it is maintained in UP outflow valve will open in 10 seconds. 4. As outflow valve operates slowly, the pilot must hold the toggle switch in the UP or DOWN position until target V/S is reached. If you have to close OFV during a flight, what will you do? Ditching p/b _ ON Mode selector to MAN & V/S CTL Sw to Down Mode selector to MAN & V/S CTL Sw to UP Blower and Extract p/bs to OVRD. By increasing cabin altitude in flight, what happens to Cabin Diff Pressure? It will increase. It will decrease. There will be no change. How to increase the cabin altitude {or reduce the cabin differential pressure} if required? 1. Select the MODE SEL to MAN on the Cabin Press Panel. 2. Hold the MAN V/S CTL Sel. to UP to increase the V/S of cabin, thereby increasing the Cabin Alt. 3. Hold the MAN V/S CTL Sel. to DN to increase the V/S of cabin, thereby increasing the Cabin Alt. 1,2 1,3 CABIN PRESS mode selector is in MAN. If Ditching p/b is selected ON, the Outflow valve will not close automatically. OFV will close automatically Ram Air inlet valve open Questions on Chapter 22 Page 14 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Engine bleed valve opens Two safety valves are provided such that Each safety valve avoids excessive positive and negative differential pressure. One safety valve avoids excessive positive differential pressure and another safety valve avoids excessive negative differential pressure. Both safety valves avoid excessive positive differential pressure only. Both safety valves avoid excessive negative differential pressure only. On ECAM’s Cab. Press Page, the outflow valve indicator changes to amber if: It is fully closed It is fully open on the ground It is fully open in flight It is not fully open on the ground At what cabin altitude do you get an ECAM warning? A) 8,800 feet. B) 9,000 feet C) 9,550 feet D) 14,000 feet. What is the meaning of CAB PR LDG ELEV FAULT? A) Wrong selection of LDG ELEV is made. B) LDG ELEV selector is moved out of auto without requirement C) LDG ELEV data from FMGC is not available. CHECK D) All the above are correct. And ldg elevation auto mode To see the operation of the outflow valve, it is necessary to call ECAM: Cond page Bleed page Press page Vent page On ECAM Cab. press page, the cabin altitude indication changes to red when cabin altitude is: > 14,000 ft > 12,500 ft > 10,000 ft > 9,550 ft Questions on Chapter 22 Page 15 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Which of the following areas are ventilated? 1. The avionics, controlled by the avionics equipment ventilation controller (AEVC), 2. The battery, 3. The lavatories 4. Galleys. A) 1, 2, 3 B) 1, 2, 3, 4 Avionics Ventilation System has two Modes of operation and they are-- GND Mode and FLT Mode. A. True B. False When Avionics Ventilation System is working in GND Mode, the following Configurations are possible in normal operation: 1. Open Configuration 2. Intermediate Configuration 3. Close Configuration A. 1,3 B. 2,3 C. 1,2,3 When Avionics Ventilation System is working in FLT Mode, the following Configurations are possible in normal operation: 1. Open Configuration 2. Intermediate Configuration 3. Close Configuration A. 1,3 B. 2,3 C. 1,2,3 You have taxied out when OAT is + 14°C. What is the configuration of avionics ventilation? Open configuration Closed configuration Intermediate configuration. You have taxied out when OAT is + 40°C. What is the configuration of avionics ventilation? {Reference GND Threshold =+12 rising / +9 falling, FLT Threshold = +35 rising / +32 falling} Questions on Chapter 22 Page 16 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Open configuration Closed configuration Intermediate configuration. You have set the Thrust Levers to FLX/MCT for take-off and OAT is +40°C. What is the configuration of avionics ventilation? {Reference GND Threshold =+12 rising / +9 falling, FLT Threshold = +35 rising / +32 falling} Open configuration Closed configuration INDIGO Intermediate configuration. What are the conditions required for open configuration? The aircraft must be on ground ,with the thrust lever not at T/O and skin temp. above a given threshold. The aircraft must be in the air ,with the thrust lever not at T/O and skin temp. below the given thresh hold. The aircraft must be on ground ,with the thrust lever at T/O and skin temp. above a given threshold. What happens during smoke drill when both the blower and the extract p/b switches are set to override? The Avionics system goes to Open Configuration. The Avionics system goes to Intermediate Configuration. The Avionics system goes to Close Configuration. When both the Blower and Extract p/b switches are set to OVRD, during smoke drill, the avionic equipment air is …… Taken from atmosphere and thrown overboard. Taken from atmosphere and circulated through skin heat exchanger. Taken from air conditioning bay and thrown overboard. Taken from air conditioning bay and circulated through skin heat exchanger. In case of heavy rain which p/bs are to be pressed for landing? Extract to OVRD Blower to OVRD Blower and Extract to OVRD Ditching p/b. What indications are given on the overhead panel, if smoke is detected in the avionics ventilation duct? 1. FAULT light in BLOWER pb-sw 2. FAULT light in EXTRACT pb-sw 3. SMOKE light in GEN 1 LINE p/b. 1,2,3 1,2 3 What happens when you press Extract P/B to OVRD {it’s required when in heavy rain on ground}? 1. Extract Fan stops. Questions on Chapter 22 Page 17 of 428  A320 TECHNICAL QUESTIONS Auto Flight System 2. Extract Fan keeps running. 3. Air-conditioning air is added for ventilation. 4. Avionics ventilation sys goes into Closed Config. A) 1,3,4 B) 2,3,4 C) 2,4 D) 1,4 What happens if you press Blower P/B to OVRD? 1. Blower Fan stops. 2. Blower Fan keeps running. 3. Air-conditioning air is added for ventilation. 4. Avionics ventilation sys goes into Closed Config. A. 1,3,4 B. 2,3,4 C. 2,4 D. 1,4 Questions on Chapter 22 Page 18 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Auto Flight System Select the Flight Management functions of FMGS from the following: 1). Navigation, 2). Flight Plan 3). A/THR commands. 4). Performance Optimization, 5). AP commands 6). FD commands A.) 1,2,4 B.) 3,5,6 C.) 1,3,5,6 D.) 1,2,3,4,5,6 Select the Flight Guidance functions of FMGS from the following: 1). Navigation, 2). Flight Plan 3). A/THR commands. 4). Performance Optimization, 5). AP commands 6). FD commands A.) 1,2,4 B.) 3,5,6 C.) 1,3,5,6 D.) 1,2,3,4,5,6 Flight Augmentation (FAC) part of the FMGS provides: Maneuvering speed computation Flight envelope computation Low energy warning and wind shear detection function All of the above Questions on Chapter 22 Page 19 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The Navigation database (5 Mbytes) contains standard navigation data: Navaids, Waypoints, Airways, Enroute information, Holding patterns, Airports, runways, procedures (SIDs, STARS, etc.), Company routes, alternates. The Airline Modifiable Information (AMI), also described as the FM Airline Configuration file, contains: ‐ Airline policy values: THR RED altitude, ACC altitude, EO ACC altitude, PERF factor, IDLE factor. ‐ Fuel policy values: Fuel for taxi, % of route reserve, maximum and minimum values of route reserve, etc. ‐ AOC functions customization. Mark the correct statements: A. Each FMGC has its own set of databases. B. There is only one database and both FMGC share it. The individual databases can be A. Independently loaded into their respective FMGC, B. Independently copied from one FMGC to the other. Which of the database has to be updated every 28th day? A. The Navigation database B. The Airline Modifiable Information (AMI) C. The Aircraft Performance database D. The Magnetic Variation database The Navigation database contains standard navigation data. A. True B. False Which database has THR RED Altitude or ACCL ALT? A. The Navigation database B. The Airline Modifiable Information (AMI) C. The Aircraft Performance database Questions on Chapter 22 Page 20 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The Airline Modifiable Information (AMI), or the FM Airline Configuration file, contains: 1. Airline policy values 2. Fuel policy values 3. Company routes, alternates 4. Engine model 5. Performance model A. 1, 2, 3, 4, 5 B. 1, 2 C. 1, 2, 3 D. 4, 5 The Aircraft Performance database includes: 1. The Engine model, 2. Aero dynamical model 3. Performance model. A. 1, 3 B. 2, 3 C. 1, 2, 3 D. 3 The airline cannot modify Aircraft Performance database. A. True B. False The flight crew can create 20 waypoints, 10 runways, 20 navaids, and 5 routes. A. True B. False Select the correct statements: 1. The FMGS Data Base contains Performance and Navigation information. 2. Crew has to check and verify that the Database is valid as far as AIRAC dates are concerned. 3. If the Database date has expired, it must be changed prior to entering the preflight data. A. 1, B. 2,3 C. 1,2,3 D. 1,3 DSC-22_10-10 P 3/6 Questions on Chapter 22 Page 21 of 428  A320 TECHNICAL QUESTIONS Auto Flight System What are the items that are stored within the FMGCs' navigation database? The nav database, updated every 28 days, has a wide range of standard navigation data including: 1. waypoints 2. navaids 3. airports 4. runways 5. holding patterns 6. airways 7. departure, arrival, and approach procedures Questions on Chapter 22 Page 22 of 428  A320 TECHNICAL QUESTIONS Auto Flight System ANNUNCIATORS (ON THE TOP OF THE KEYBOARD) FM 1 and FM 2 (amber) The onside FM is failed IND (amber) The onside FM detects an independent mode of operation while both FM are healthy. RDY (green) MCDU has passed its power up test after it was turned off using its DIM key. ANNUNCIATORS (ON THE SIDE OF THE KEYBOARD) FAIL (amber) Indicates that the Multipurpose Control and Display Unit (MCDU) has failed. FM (white) Comes on while the flight crew is using the MCDU to display peripherals. This light tells the flight crew that the FMGC has an important message to deliver. The flight crew accesses the message by pressing the MCDU MENU key and the line select key adjacent to the FMGC prompt. MCDU MENU (white) Indicates that the flight crew should call up a peripheral linked to the MCDU (such as ACARS, ATSU or CFDS). What is the meaning of FAIL (amber) Key? Indicates that the Multipurpose Control and Display Unit (MCDU) has failed. Indicates that the 1R LSK function of Multipurpose Control and Display Unit (MCDU) has failed. Indicates that the 1L LSK function of Multipurpose Control and Display Unit (MCDU) has failed. All are correct. MCDU MENU (white) indicates that: The flight crew should call up a peripheral linked to the MCDU (such as ACARS, ATSU or CFDS). The MCDU displays “REQ” next to the system's name (such as ACARS, ATSU or CFDS). DSC-22_20-50-10-28 P 3/152 Questions on Chapter 22 Page 23 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Which of the following annunciators are on the top of the MCDU? 1). FM1, 2). IND, 3). RDY, 4). FM2 5). FAIL, 6). MCDU MENU, 7). FM 1,2,3,4 5,6,7 5,7 6 Which of the following annunciators are on the left side of the MCDU? 1). FM1, 2). IND, 3). RDY, 4). FM2 5). FAIL, 6). MCDU MENU, 7). FM 1,2,3,4 5,6,7 5,7 When a double entry is needed on the MCDU (e.g. wind direction/speed: 270/110) the separating slash must be used. The trailing entry of a pair must be preceded by a slash if it is entered alone. True False An FMGS message which requires immediate attention is displayed on the MCDU in: Red Amber Magenta An amber box on the MCDU screen indicates: An optional data entry. A mandatory data entry. A compulsory reporting point. Questions on Chapter 22 Page 24 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The waypoint indicated will be overflown. The FCU allows Modifications in the active flight plan. Selection of FG modes Selection of radio navigation frequencies IRS alignment. What is the meaning of white round dot displays next to the windows on the FCU? Selected guidance has been engaged. Automatic guidance has been engaged. Managed guidance has been armed or engaged. There are no such lights on A320 FCU. The altitude window always displays an altitude selected by the flight crew (never dashes). True False When the altitude knob on the FCU is pulled: The altitude is armed. The current altitude is canceled. OPEN CLIMB or OPEN DESCENT engages. All are correct Mark the correct statements: 1. The FCU has four knobs. 2. The knobs can be rotated, pushed in, and pulled out to arm or engage managed guidance for a given mode or to engage a selected guidance mode. 3. In managed guidance (lateral, vertical guidance or managed speed), the corresponding window is dashed except for ALT knob/window. A. 1, 2 B. 1, 2, 3 C. 1, 3 Questions on Chapter 22 Page 25 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Mark the correct statements: 1. Turning a knob without pulling it, displays a value that is the sum of the current target and the turn action value. 2. If you turn the knob without pulling it for HDG/TRK or V/S windows, the display remains on for 45 sec and thereafter the dashes reappear. 3. If you turn the knob without pulling it for SPD/MACH window, the display remains on for 10 sec and thereafter the dashes reappear. A. 1 B. 1, 2, 3 C. 1, 2 The pilot interfaces with the FMGS using the: FCU only FCU, MCDU &Thrust Levers. FCU & MCDU Questions on Chapter 22 Page 26 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The flight crew uses the ….?.....page in pre-flight phase, to initialize the flight plan and align the inertial reference system. A. INIT A B. PERF C. INIT B Mark the correct statements: A. The INIT A page can be accessed on ground or in flight. B. The INIT A page can be accessed only on ground. C. The INIT A page can be accessed only in flight. Why Cruising Flight level and temperatures at cruising flight levels are required in INIT Page A? A. So that on time performance is maintained. B. For accurate predictions by FMGS C. For crew awareness only. Can you access INIT B Page after engine start? A. Yes B. No On which page do you enter ZFW/ZFWCG? A. INIT A B. INIT B C. Fuel Prediction If you need to modify BLOCK fuel entry or ZFW/ZFWCG entries after engine start, where should you re – enter? A. Can not be entered. B. Use Fuel Pred Page and enter C. INIT A D. INIT B On FUEL PRED page The EFOB at destination will turn to amber, if it becomes less than the MIN DEST FOB value. A. True B. False On which page can you see CG in flight? A. Can not be seen B. Use Fuel Pred Page C. See at Permanent data area on SD D. It is to be seen on ND Mark the correct statements: 1. F PLN Page A displays time, speed, and altitude predictions for each active flight plan waypoint. 2. F PLN Page B displays fuel predictions and forecast winds at each waypoint. 3. The FROM / TO flight plan leg is called the active leg. Questions on Chapter 22 Page 27 of 428  A320 TECHNICAL QUESTIONS Auto Flight System A. 1 B. 1,2 C. 1, 2, 3 Mark the correct statements: A. RAD NAV Page enables the pilot to select or verify the radio NAVAIDs {VOR, VOR/DME ILS, and ADF} tuned for display purposes only. B. If either RMP is set on NAV, this page is blank on both MCDUs. CHECK C. Both are correct. Questions on Chapter 22 Page 28 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Normal mode of operation for FMGS is Dual Mode Single Mode Independent Mode When both FMGCs are working, one will be Master and other will be Slave so that all data inserted into any MCDU is transferred to both FMGCs and to all peripherals True False If no AP is engaged, FMGC1 is master if FD1 p/b is on and FD2 p/b off. FMGC1 is master if both the FDs are on. FMGC2 is master if the FD1 p/b is off, and FD2 p/b on. All are correct. Select the correct statements: If no AP/FD is engaged, A/THR is controlled by FMGC1. If two APs are engaged, FMGC1 is master. If only one autopilot (AP) is engaged, the related FMGC is master: All are correct On an auto-land approach, with both autopilots on, which FMGC is master? FMGC 1 FMGC 2 Both When one FMGC fails The system works in SINGLE mode The system works in INDEPENDENT mode OPP FMGC IN PROGRESS message appears on MCDU Both (a) and (c) are correct When FMGC1 fails, A.) On ND1, Map will disappear and a message will be displayed “MAP NOT AVAIL”. B.) On both NDs Maps will disappear and “MAP NOT AVAIL” is displayed on both NDs. C.) The message will disappear when ND1 range and mode are set as per ND2. D.) Both {A} & {C} are correct. Questions on Chapter 22 Page 29 of 428  A320 TECHNICAL QUESTIONS Auto Flight System How will you identify if FMGS is operating in Independent Mode? 1). Scratch pad message on each MCDU will show “INDEPENDENT OPERATION” and 2). IND annunciator light on each MCDU. 3). Both AP/FDs cannot be engaged. 4). On the POS MONITOR page of MCDU 1, FMGS position of FMGC 2 is not displayed and vice versa. 5). On the RAD NAV page, navaids tuned on the opposite MCDU are not displayed. Corresponding fields are blank. 6). On the RAD NAV page, navaids tuned on the opposite MCDU are not displayed. Corresponding fields show last readings. A.) 1,2,4,6 B.) 1,2,3,5 C.) 1,2,3,6 How will you identify if FMGC 1 has failed and FMGC 2 is operating in Single Mode? 1). FM1 light on MCDU 1 only will appear indicating FMGC 1 has failed. 2). ND 1 displays “MAP NOT AVAILABLE” & “SET OFFSIDE RANGE MODE” messages as long as ND1 range & mode are not identical to those on ND2. 3). Once both NDs are on same range, message “OPP FMGC IN PROCESS” will appear on ND1. 4). “OPP FMGC IN PROCESS” will appear on MCDU1 also. 5). FM2 light comes on both MCDUs indicating FMGC 2 is working. 6). 2FD2 will be displayed on both FMAs. 7). Only FMGC 2 position is computed and FMGC 2 tunes the off side navaids. A.) 1,3,4,6, 7 1,2,3,4,6,7 B.) 2,3,4,5 C.) 1,3,5 In flight with dual FMGCs failure, could we still navigate and complete our flight? Yes, select the ROSE mode on the EFIS control panel. Yes, by using the RMP. Lift the guard and depress the NAV switch and you can dial appropriate frequencies. No, declare an emergency and advise ATC. Expect vectors to destination. Questions on Chapter 22 Page 30 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Select the correct statements: If both FMGCs fail, the back up navigation is selected by MCDU MENU p/b by the crew on some a/cs. The back up navigation provides the following functions: 1) Flight Planning 2) Aircraft position using onside IRS, IRS3, or GPIRS position 3) F-PLN display on ND 4) No AP/FD NAV mode 5) Limited lateral revision 6) F-PLN automatic sequencing. All are correct Questions on Chapter 22 Page 31 of 428  A320 TECHNICAL QUESTIONS Auto Flight System What are the Autopilot functions? Automatic landing and go around. Stabilization of the aircraft around its center of gravity. Acquisition and tracking of a flight path. All of the above. If autopilot is engaged without FDs? HGD V/S or TRK FPA modes will be engaged HDG and SPD modes will be engaged OP CLIMB and NAV modes will be engaged CHECK EXP CLIMB and NAV modes will be engaged If one AP is selected ON with both FDs OFF, the A/P engages in HGD V/S or TRK FPA mode depending upon which position of HGD V/S or TRK FPA p/b is selected on FCU. True False If one A/P pushbutton is set to ON with at least one FD already ON, the AP engages in the current active FD modes. TRUE FALSE When one AP is engaged, the corresponding FCU pushbutton comes on and AP1 (2) is displayed on the FMA. TRUE. FALSE AP engagement increases the breakout force on the side stick. TRUE as the side stick is difficult to move when AP is engaged. DSC-22_30-30 P 1/4 FALSE as the side stick can be moved freely even if AP is engaged. With the autopilot engaged, either side-stick can be moved freely. True. False, moving either side stick will cause the autopilot(s) to disengage False, only the PNF's side stick will freely move. Questions on Chapter 22 Page 32 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The Auto pilot commands the Position of the flight control surfaces for pitch, roll, and yaw Nose wheel position, „a‟ and „b‟ above are correct Both autopilots can be engaged together and active in any phase of flight. True False In normal law with all protections active, the AP will disconnect if High speed protection is active AOA protection is active Bank angle is more than 45 deg All the above are correct. Can the autopilot be used for a single engine approach and auto land? Yes. No. Questions on Chapter 22 Page 33 of 428  A320 TECHNICAL QUESTIONS Auto Flight System What is the meaning of -FD2 on the FMA? FD1 in-op and FD2 engaged. FD1 off and FD2 engaged. What is the meaning of 1FD- on the FMA? FD1 engaged and FD2 in-op. FD1 engaged and FD2 off. Indications on FMA are: 1FD1: if both FDs engaged and FD2 fails. 1FD2: if both FDs engaged and FD1 fails. 2FD2: if both FDs engaged and FD2 fails. 2FD1: if both FDs engaged and FD1fails. Questions on Chapter 22 Page 34 of 428  A320 TECHNICAL QUESTIONS Auto Flight System When will the Flight Directors bars flash? When a reversion occurs. When loss of LOC or G/S signal in LAND mode. All of the above. The Flight Director bars are out of view when Bank angle exceeds 67°.45Degree True False. For FD BARS: 1. The pitch bar is displayed if a vertical mode is engaged. 2. The roll bar is displayed if a lateral mode is engaged. 3. The pitch bar is displayed even if a vertical mode is not engaged. 4. The roll bar is displayed even if a lateral mode is not engaged. A. 1,2 B. 1,2,3,4 What happens if both localizer and both glide slope receivers fail ? A. LOC & G/S scales flash, FD bars flash. B. LOC & G/S scales disappear from PFD C. LOC & GS flags appear on both PFDs and both NDs D. LOC & GS flags appear on both PFDs only On PFD, Roll FD bar is flashing permanently. What does it indicate? A. Reversion of FD to HDG mode B. LOC Transmission failure C. LOC Receiver failure D. LOC & G/S both receivers failure Yaw bar is displayed on PFD in the following mode A. RWY mode only B. Roll out mode only INDIG C. RWY TRK mode DSC-22_30-20 P 2/6 O D. RWY or Roll out mode If FPV/FPD was previously selected during approach, it reverts to FD bars at go-around engagement. True False Questions on Chapter 22 Page 35 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Select correct statements: 1. The yaw bar is displayed in RWY mode on takeoff 2. The yaw bar is displayed in FLARE and ROLL OUT modes at landing. 3. The yaw bar is displayed only in ROLL OUT mode at landing. 1,2, 1,2,3 3 Mark the correct statement: When a localizer is available, you will see Yaw Bar on PFDs up to 30 ft RA, on takeoff (in RWY mode) and during landing (in FLARE and ROLL OUT mode.). On landing, in ROLLOUT mode, with AP engaged; the FD bars remain in view at all times. Both are correct. Questions on Chapter 22 Page 36 of 428  A320 TECHNICAL QUESTIONS Auto Flight System What are the different types of flight guidance? Slaved and managed. Automatic and manual. Managed and selected. Managed and manual. The Armed Vertical Modes are displayed on the Flight Mode Annunciator on the second line in: Blue or magenta. Blue or green. White The Engaged Vertical Modes are displayed on the Flight Mode Annunciator on the first line in: Green Green or Magenta Blue When the aircraft is in the Managed Guidance mode, it is: Guided by the pilot selecting the specific flight modes and parameter target values on the FCU. Responding to pilot inputs of speed, altitude, and heading selected on the FCU. Following lateral, vertical and speed profiles as determined by the IRS'S. Following lateral, vertical and speed profiles as determined by the FMGS. Managed guidance is engaged by: Pulling on the desired FCU selector knob. Pushing on the desired FCU selector knob. Rotating 90° the desired FCU selector knob. When MANAGED GUIDANCE is working FCU windows including ALT window are dashed FCU windows shows the values selected by FMGC FCU windows except ALT windows are dashed. As in (c) and white dots illuminate on FCU next to each window Questions on Chapter 22 Page 37 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The managed AP/FD lateral modes are NAV, HDG, APPR, LOC, RWY, RWY TRK HDG, NAV, APPR, LOC, GA TRK HDG, NAV, GA, GA-TRK NAV, APPR, LOC, RWY, RWY TRK, GA TRK Managed guidance Take-off : - RWY : automatic runway axis follow up through ILS use - RWY. TRK : follow up of the memorized runway axis - SRS : pitch guidance to maintain V2 + 10 Climb/Cruise/Descent : - NAV : lateral guidance along the defined F.PLN - CLB/DES : vertical guidance with respect of all the F.PLN defined constraints - APP NAV : lateral guidance along a defined non precision approach Approach and landing : - APPR : ILS approach (ILS beams capture and track) and non precision approach - LOC : LOC use only (capture and track) - FLARE : automatically performed around 30ft - FINAL : vertical guidance along a defined non precision approach Selected guidance Lateral : - HDG/TRK : selected on FCU Vertical : - OP CLB/OP DES : open modes for level changes with a fixed thrust and speed held on elevator - EXPED : level change with maximum climb/descent - ALT : altitude capture and hold - V/S-FPA : vertical speed or flight path angle track Questions on Chapter 22 Page 38 of 428  A320 TECHNICAL QUESTIONS Auto Flight System What are the essential Navigation functions of FMGS? A. Computation and Evaluation of position B. Radio navigation tuning C. Alignment of Inertial Reference System. D. All are correct. In computation of position, FMGS selects the most accurate position, considering the estimated accuracy and integrity of each positioning equipment. True False What is FM Position? Each FMGC computes its own aircraft position. It is from a MIX IRS position and a computed radio position, or It is from a MIX IRS position and a GPS position. The FMGS selects the most accurate position, considering the estimated accuracy and integrity of each positioning equipment. GPS/INERTIAL is the basic navigation mode, provided GPS data is valid and successfully tested. Otherwise, navaids plus inertial or inertial only are used. What is Mix IRS Position? Each FMGC receives a position from each of the three IRSs, and computes a mean-weighted average called the “MIX IRS” position. Mean-weighted average means………….. If one of the IRSs drifts abnormally, the MIX IRS position uses an algorithm that decreases the influence of the drifting IRS within the MIX IRS position. If one of the IRSs fails, each FMGC uses only one IRS (onside IRS or IRS3). Each IRS position and inertial speed are continuously tested. If the test fails, the corresponding IRS is rejected. Navigation modes in the decreasing priority are: GPS/INERTIAL is the basic, provided GPS data is valid and successfully tested. Navaids plus inertial or Inertial only are used. What is GPIRS Position? How many of the GPIRS positions are in the system? Name them. Of the three GPIRS positions that each FMGC receives, the FMS selects one GPIRS position based on a figure of merit and priority. The FMS uses the following hierarchy to perform the selection: ‐ Onside GPIRS position ‐ GPIRS 3 ‐ Opposite GPIRS position. Questions on Chapter 22 Page 39 of 428  A320 TECHNICAL QUESTIONS Auto Flight System For FM1, which is the priority for selecting GPIRS position? 1. GPIRS 1 position 2. GPIRS 2 position. 3. GPIRS 3 position. 1, 2, 3 1, 3, 2 3, 2, 1 The flight crew can deselect/select the GPS position on the ……. page, if necessary. SELECTED NAVAIDS page GPS MONITOR page Information about the GPS position is displayed on the....... page. SELECTED NAVAIDS page GPS MONITOR page For computing Radio position, can FMGC1 use No. 2 DMEs and VORs? YES NO For computing Radio Position, which Navaids are used? Name them? DME/DME VOR/DME LOC DME/DME-LOC VOR/DME-LOC. Where can you see these Navaids? The radio navaid selection is displayed on the DATA “SELECTED NAVAIDS” page At flight initialization, each FMGC displays an FM position. Select which is this? IRS-GPS, IRS-DME/DME, IRS-VOR/DME, IRS ONLY In flight, the FM position approaches the radio position or the GPS position at a rate depending upon the aircraft: Altitude Speed Questions on Chapter 22 Page 40 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The FM position update at takeoff is inhibited when GPS PRIMARY is active. True False What is ―Bias‖ as far as FM Position is concerned? Explain Bias. Each FMGC computes a vector from its MIX IRS position to the radio position or GPIRS position. This vector is called the “bias”. Each FMGC updates its bias continuously as long as a radio position or a GPIRS position is available. If an FMGC loses its radio/GPIRS position, it memorizes the bias and uses it to compute the FM position, which equals the MIX IRS position plus the bias. Until the radio or the GPIRS position is restored, the bias does not change. The flight crew can update the FM position manually. This also updates the bias. On which page can you see position computation? GPS MONITOR POSITION MONITOR page. Both are correct. Questions on Chapter 22 Page 41 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The flight crew may check the position computation using the GPS MONITOR or POSITION MONITOR page. Questions on Chapter 22 Page 42 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Select the correct statements: 1. The FMGS continuously computes an Estimated Position Uncertainty (EPU). 2. It is a function of the navigation mode that the system uses. 3. If current NAV Mode is IRS/GPS, then the EPU is lowest. 4. IRS/DME/DME navigation mode has higher EPU as compared to IRS/VOR/DME navigation mode. 5. After an IRS alignment, the EPU is set at 5 nm. 6. At takeoff, the EPU is set at 0.2 nm. 1, 2, 3, 5, 6 1, 2, 3, 4, 5, 6 If the EPU does not exceed the RNP, accuracy is High Low If the EPU exceeds the RNP, accuracy is High Low Where can you see the RNP Value? The RNP is displayed in the REQUIRED field of the PROG page. The RNP is displayed in the REQUIRED field of the PERF page. Can the present position of the aircraft be initialized? Present position can be entered through the ADIRS CDU but is possible only for old a/c. Present position can be entered on the INIT page of the MCDU. Both are correct. There are 4 main different navigation modes to update the FM position. In decreasing priority they are: IRS-GPS, IRS-DME/DME, IRS-VOR/DME, IRS ONLY. IRS ONLY, IRS-GPS, IRS-DME/DME, IRS-VOR/DME. IRS ONLY, IRS-DME/DME, IRS-VOR/DME, IRS-GPS. IRS-DME/DME, IRS-VOR/DME, IRS ONLY, IRS-GPS. The FMGS updates the FM position via the use of GPS or radio navaids and it uses a priority rule for FM position update. What is the order of priority for determining FM position? The decreasing order of priority is: IRS-GPS, IRS-VOR/DME IRS-DME/DME, IRS only. IRS-GPS, IRS only, IRS-DME/DME, IRS-VOR/DME, IRS-GPS, IRS-DME/DME, IRS-VOR/DME, IRS only. Questions on Chapter 22 Page 43 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Select the correct statements for Radio Position: FMGC1 uses # 1 navaids to compute its own radio position. If one or more of no.1 navaids fail, FMGC 1 uses offside navaids {No.2} to compute the VOR/DME, or the DME/DME radio position. Both are correct. Each FMGC uses onside navaids to compute its own radio position. These navaids are displayed on the SELECTED NAVAIDS page. If one or more navaids fail, each FMGC can use offside navaids to compute the VOR/DME, or the DME/DME radio position. DSC-22_20-20-10 P 3/8 What is the preferred method of radio position updating for the FMGS? A. VOR/DME B. ILS/DME C. DME/DME At flight initialization, each FMGC displays an FM position that is a 1. MIX IRS/GPS position (GPIRS). 2. IRS-DME/DME, 3. IRS-VOR/DME, 4. IRS ONLY if no GPS, A. 1, 2 B. 1, 4 C. 4 D. 1 While taxiing on the ground, the FMGS displays the position of the aircraft using: 1. IRS and DME/DME. 2. IRS only if no GPS, 3. IRS and VOR/DME. 4. IRS/GPS{GPIRS} 2 2, 4 4 Aircraft position determined by each FMGC is as follows A. Before Takeoff, FMGC position is the IRS/GPS position B. At take-off, FMGC position is updated to the runway threshold position from database if no GPS C. Before Take-off, FMGC position is the radio position from two DMEs. D. Both (a) and (b) are correct. Select correct statements for FM position: A. At takeoff, the FM position is updated to the runway threshold position as stored in the database, possibly corrected by the takeoff shift entered on PERF TO page if no GPS. Questions on Chapter 22 Page 44 of 428  A320 TECHNICAL QUESTIONS Auto Flight System B. In flight, the FM position approaches the radio position or the GPS position at a rate depending upon the aircraft altitude. C. The FM position update at takeoff is inhibited when GPS PRIMARY is active. D. All are correct. What is Bias? A. Each FMGC computes a vector from its MIX IRS position to the radio position and this vector is called the “bias”. B. Each FMGC computes a vector from its MIX IRS position to the GPIRS position and this vector is called the “bias”. C. Both are correct. Select correct statements for “Bias” A. Each FMGC updates its bias continuously as long as a radio position or a GPIRS position is available. B. If an FMGC loses its radio and GPIRS position, it memorizes the bias and uses it to compute the FM position, which equals the MIX IRS position plus the bias. C. The flight crew can update the FM position manually. This also updates the bias. D. All are correct. The flight crew may check the position computation using the A. GPS MONITOR page B. POSITION MONITOR page C. From any of the above. Which statement is true concerning Estimated Position Error (EPE) in IRS ONLY navigation mode? A. EPE increases continuously at 6 nm / hour for the first 40 minutes and thereafter its degradation is in stages. EPE increases at 8 nm / hour for the first 40 minutes and 2 nm / hour thereafter until a maximum predetermined maximum EPE is reached. ‐ After an IRS alignment, the EPU is set at 5 nm. ‐ At takeoff, the EPU is set at 0.2 nm. The FMS displays the EPU to the flight crew and compares it with the Required Navigation Performance (RNP). If the EPU does not exceed the RNP, accuracy is HIGH If the EPU exceeds the RNP, accuracy is LOW. The RNP is displayed in the REQUIRED field of the PROG page. The displayed RNP is (in a decreasing order of priority): A. The value that the flight crew entered B. The navigation database procedure value C. The system’s default value. "NAV ACCUR DOWNGRAD" message appears, When both FMGC detect NAV Accuracy change. When any one of the FMGC detects NAV Accuracy change. Questions on Chapter 22 Page 45 of 428  A320 TECHNICAL QUESTIONS Auto Flight System When one FMGC changes the NAV accuracy from LOW to HIGH (or HIGH to LOW), 1. The MCDU displays the "NAV ACCUR UPGRAD" (or DOWNGRAD) message. 2. The ND displays the "NAV ACCUR UPGRAD" (or DOWNGRAD) message. 3. These messages are inhibited when the navigation mode is IRS/GPS. 1,2,3 When the accuracy changes from “HIGH” to “LOW”, Both MCDUs and NDs display the message ”NAV ACCUR DOWNGRADED” The LOW accuracy is indicated on the PROG page. Both are correct Mark the correct statements: When GPS primary is available, the navigation accuracy check is not required. When GPS primary is not available, pilot must perform the Navigation Accuracy Check, periodically in cruise and at FL100 in descent. Both are correct. If GPS function on no.1 system is lost: 1) GPS PRIMARY LOST message is displayed on the ND1. 2) GPS PRIMARY LOST message is displayed on the MCDU 1 scratchpad. 3) Navigation Accuracy is downgraded immediately 4) GPS PRIMARY LOST message is displayed on the ND1 and ND2. 5) GPS PRIMARY LOST message is displayed on the MCDU 1 and MCDU 2 scratchpads. A.) 1,2 B.) 1,2,3 C.) 3, 4 D.) 3, 4, 5 If GPS function is lost: 1) GPS PRIMARY LOST message is displayed on the affected side ND. 2) GPS PRIMARY LOST message is displayed on the affected side MCDU scratchpad. 3) Navigation Accuracy is downgraded immediately A.) 1,2 B.) 1,2,3 C.) 2,3 D.) 1,3 About "GPS PRIMARY LOST" message. 1. If the GPS PRIMARY status no longer complies with accuracy criterion, the GPS PRIMARY status is lost and "GPS PRIMARY LOST" message is triggered. 2. If the GPS PRIMARY status no longer complies with an integrity criterion, the GPS PRIMARY status is lost and "GPS PRIMARY LOST" message is triggered. Questions on Chapter 22 Page 46 of 428  A320 TECHNICAL QUESTIONS Auto Flight System 3. The related MCDU displays the "GPS PRIMARY LOST" message. 4. The related ND displays the "GPS PRIMARY LOST" message. 5. It is possible to clear the scratchpad message on the MCDU, but not on the ND. 1, 2, 3, 4, 5 When the GPS PRIMARY function is active and either of the FM positions deviate from the GPS positions 1 or 2 by more than a threshold based upon longitude or latitudes, a message is triggered which is: GPS PRIMARY LOST FM/GPS POSITION DISAGREEMENT NAV ACCUR DOWNGRAD If one GPS receiver {MMR} fails, the three ADIRUs automatically select the other operative GPS receiver. True. False. Updating of FMGC position in flight is available from POSN MONITOR page PROGRESS page INIT A page UPDATE page To determine the aircraft position, FMGC uses data from DME, VOR or ILS systems Clocks and Ground speed computation Three ADIRS. Both (a) and (c) are correct. On the Position Monitor page of the MCDU, the IRS 1, 2 and 3 deviations are: Deviation in nm from the Mix IRS position. Deviation in nm from the on-side FMGC position {Master FMGC}. Always the same on both MCDU 1 and 2. What the Pilot must check from the following, before commencing a RNAV GNSS / RNAV RNP approach? GPS PRIMARY is displayed on the ND. At least 1 GPS is operating. Both GPS are in NAV on the GPS Monitor page. During ILS approach, {with G/S & LOC green,}, if you get FM / GPS POSITION DISAGREE, the recommended action is: A. Disregard it and continue the approach. B. Make a Go-Around or fly visual, if visual conditions are met. Questions on Chapter 22 Page 47 of 428  A320 TECHNICAL QUESTIONS Auto Flight System C. Check navigation accuracy, using data and if check is negative, use HDG/TRK mode and raw data must be used. If LOW ACCURACY message is displayed, are there any approach restrictions? No Yes, ILS approaches not allowed. Yes, RNAV approaches are forbidden. On GPS-capable airplanes, the ADIRUs are fed GPS data which is used to calculate a ___________ hybrid position. GPS IRS If the estimated position error (EPE) exceeds the required navigation performance, navigation accuracy reverts to low FMGS (Flight Management and Guidance Computer) selects the most accurate position keeping data (GPS, MIX IRS or IRS only) and calculates an Estimated position error What is an Estimated Position Error (EPE) Estimate of FMS position drift The difference between the mix IRS position and the radio position is called the Bias Navigation position computations can be checked on the _________________ page of the MCDU Position monitor If the EPE exceeds the RNP A NAV ACCUR DOWNGRAD message will be displayed on the ND and MCDU Questions on Chapter 22 Page 48 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Radio Navigation Tuning is used for: For Display For Position Computation. Both are correct. Radio Navigation Tuning has following purpose: For Display For Position Computation. Both are correct. For display purpose, tuning is possible by the following ways: Automatic tuning via FMGC software Manual tuning via MCDU RAD NAV page Manual tuning via RMP if both FMGCs or both MCDUs fail. All of the above are correct. All Nav aids are normally auto-tuned by: The FMGC MCDU ADIRU In normal operation, the nav aids are tuned: Manually through the Radio Management Panel. Manually through the RAD NAV page. Automatically through the Flight Management and Guidance System (FMGS) Mark the correct statements: The RADIO NAV page and the ND show which NAVAID have been tuned for display. All NAVAIDS tuned on RAD NAV page are used for display purpose. NAVAIDS used for a/c position update are displayed on the SELECTED NAVAIDS page. All are correct. Select the correct statements: A. In dual mode, each FMGC simultaneously tunes the navaids on its own side. B. In Independent mode, each FMGC simultaneously tunes the navaids on its own side. C. In single mode, the valid FMGC tunes navaids on both sides. D. All are correct. The flight crew can also use the RAD NAV page to manually tune both VORs, both ADFs and the ILS. True False Select the correct statements: 1. The FMGS automatically tunes the radio navaids for computation of the radio position. 2. Manual tuning has priority over automatic tuning. 3. In dual mode and independent mode, each FMGC simultaneously tunes the navaids on its own side. 4. In single mode, the valid FMGC tunes navaids on both sides. 1,2,3,4 1,3,4 Questions on Chapter 22 Page 49 of 428  A320 TECHNICAL QUESTIONS Auto Flight System A NAV Aid is deselected on SELECTED NAV AIDS page The CLR action on deselected Nav Aid above FMGC to use that Nav Aid again The deselection cannot be cleared until after landing The deselection is cleared when secondary data base is activated on aircraft status page. Both (a) and (c) are correct. Which of the following navaids can be auto-tuned for computation of the radio position? ILS and ADF (when flight plan specifies NDB approaches). VOR and DME. Both are correct. What is the preferred method of radio position updating for the FMGS? VOR/DME ILS/DME DME/DME Can the crew depress the RMP ON NAV pushbutton and use the RMP for navigation simultaneously with FMGC autotuning? Yes, because the opposite FMGC will continue to autotune navaids. No, RMP backup tuning supersedes the autotuning function of both FMGC's. Which of the following navaids can be autotuned? ILS and ADF (for NDB data base approaches). VOR and DME. Both are correct. Which of the following navaids can be auto-tuned for computation of the radio position? ILS and ADF (when flight plan specifies NDB approaches). VOR and DME. Both are correct. Questions on Chapter 22 Page 50 of 428  A320 TECHNICAL QUESTIONS Auto Flight System ALIGNMENT OF INERTIAL REFERENCE SYSTEM: ADIRS INITIALIZATION involves two steps during cockpit preparation. First step is ADIRS ALIGNMENT in which at the beginning of the pre-flight checks, the crew sets the ADIRS selectors to NAV, in order to start alignment in which GYROS and Altimeters get ready for NAV computation. Which is second step? INITIALIZATION ADIRS INITIALIZATION involves two steps during cockpit preparation. What are these? ALIGNMENT: At the beginning of the pre-flight checks, the crew sets the ADIRS selectors to NAV, in order to start alignment in which GYROS and Altimeters get ready for NAV computation. INITIALIZATION: The F-PLN origin airport coordinates are extracted from the FMS database. These coordinates appear on the MCDU INITA page, and are normally used for initialization. They are the airport reference coordinates. If a high navigation performance is desired, the crew should adjust the airport reference coordinates to the gate coordinates, provided that this data is published or available on board. Or The ADIRS are automatically initialized at the GPS position. These GPS coordinates are displayed on the MCDU INIT A page, in replacement of the airport reference coordinates, after the pilot entered the FROM-TO airport pair. How can the present position of the aircraft be initialized? Present position can be entered through the ADIRS CDU but is possible only for old a/c. Present position can be entered on the INIT page of the MCDU. Both are correct. Questions on Chapter 22 Page 51 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Mark the correct statements about Flight Plans: 1. The FMGS can contain two different flight plans, called as the ACTIVE flight plan and the SECONDARY flight plan. 2. Each flight plan is composed of the primary flight plan and alternate flight plan. 3. The primary flight plan contain route from origin to destination and missed approach 4. The alternate flight plan contain route from destination to alternate destination. Mark the correct statements: 1) Primary Flight Plan is displayed in steady green on the ND when in managed mode and is dashed green when in selected mode. 2) Alternate flight plan is displayed in dashed blue on the ND. 3) Missed approach section is displayed in steady blue on the ND. 4) Temporary flight plan is displayed in dashed yellow on the ND. 5) Secondary flight plan is displayed in steady dimmed white on the ND. What is the purpose of Secondary Flight Plan? The SECONDARY flight plan which the flight crew may use: When an alternate takeoff runway is probable To plan a diversion To prepare the next flight To compare predictions or evaluations. Which of the FM Flight Plans is the basis for Automatic Radio-Nav tuning? Active Flight Plan Secondary flight plan Temporary flight plan The FMGC automatically strings the legs in sequence. True False If any two waypoints do not have a leg defined between them in the flight plan, then what happens? Flight Plan has a discontinuity. The computer assumes that the aircraft will fly a direct leg between the two waypoints that define the discontinuity.NAV mode will change to HDG. Can flying crew insert an extra waypoint while flying? Yes No Questions on Chapter 22 Page 52 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Can the flight crew perform the following changes once flight plan is prepared before start: a) Insert or modify the departure procedure b) Insert or modify the arrival procedure c) Insert a waypoint d) Change the destination e) Insert an airway f) Insert an offset g) Insert a holding pattern h) Select or enable an alternate flight plan i) Radial fix information j) Insert LAT/LONG crosssing waypoint. Can the flight crew perform the following changes once in flight: a) Insert or modify the departure procedure b) Insert or modify the arrival procedure c) Insert a waypoint d) Change the destination e) Insert an airway f) Insert an offset g) Insert a holding pattern h) Select or enable an alternate flight plan i) Radial fix information j) Insert LAT/LONG crosssing waypoint. What is the role of DIR KEY? The pilot uses the “Direct To” function to define a direct leg, potentially with inbound/outbound course or abeam waypoint, from the present position to any waypoint on the active flight plan or to any waypoint. The designated waypoint may be entered by its identifier (if it is stored in the navigation database), or as a pilot defined element, or by a latitude/longitude, place/bearing/distance, a place-bearing/place-bearing, or a place distance (PD) along the F-PLN. Note: If the autopilot or flight director is in the heading/track or localizer mode, the “DIR TO” function engages the NAV mode. When will a time constraint, entered in the F-PLN, be automatically deleted? Entering a holding pattern, or in the event of an engine failure. If either FMGEC fails. When an OPT STEP is inserted. The active F-Plan is erased when The pilot calls the aircraft status page The wheels touch the runway at landing. The aircraft has been on ground for 30 seconds following the landing One engine is shut down on the bay. Questions on Chapter 22 Page 53 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Mark the correct statement A) Wind entered in HISTORY WIND page is MAG NORTH referenced. B) Wind entered in PERF APPR page is TRUE NORTH referenced. C) Wind entered in HISTORY WIND page is TRUE NORTH referenced. D) Both (a) & (b) are correct. Mark the correct statements: 1) Primary Flight Plan is displayed in steady green on the ND when in managed mode and is dashed green when in selected mode. 2) Alternate flight plan is displayed in dashed blue on the ND. 3) Missed approach section is displayed in steady blue on the ND. 4) Temporary flight plan is displayed in dashed yellow on the ND. 5) Secondary flight plan is displayed in steady dimmed white on the ND. The message on PFD FMA reads as ―VERT DISCON AHEAD‖ it means ? There is F-Plan discontinuity ahead OP_DES mode engaged and a TOO STEEP path exists ahead EXPEDITED DES mode engaged and F-Plan discontinuity exists ahead. DES mode engaged and a TOO STEEP path exists on the next leg. TEMP F. PLAN page is automatically displayed If an entry of NEXT WAY POINT, NEW DEST or VIA GO TO is made on the LAT REV page. If SEC. F Plan page is selected on MCDU and COPY ACTIVE prompt is pressed. If SEC. F Plan page is selected on MCDU and ACTIVATE SEC prompt is pressed. When DIR TO page is selected on MCDU With NAV mode engaged on FMGS, the ACTIVATE SEC prompt shall be available if Active and secondary F-PLN have common active leg Active and secondary F-PLN have some common leg HDG / TRK mode is engaged Both (a) and (c) are correct. Mark the correct statement Lateral and vertical revisions are possible on a temporary F-Plan „DIRECT TO‟ function, when used, erases a temporary F-Plan Pressing the „AIRPORT‟ key erases a temporary F-Plan Both (b) and (c) are correct. The SECONDARY flight plan which the flight crew may use: 1. When an alternate takeoff runway is probable 2. To plan a diversion 3. To prepare the next flight 4. To compare predictions or evaluations. Questions on Chapter 22 Page 54 of 428  A320 TECHNICAL QUESTIONS Auto Flight System A temporary F-PLN is created whenever a revision is performed on the following pages: 1. The F-PLN A pages, 2. The F-PLN B pages 3. The LAT REV page, 4. The VERT REV page. A. 1,2,3,4 B. 4 C. 1,2,3 Mark the correct statements: 1. The TMPY F-PLN is a copy of the active F-PLN, but is corrected by the lateral or vertical revisions in progress. 2. The aircraft continues to follow the active F-PLN, until the temporary revision is inserted. 3. The temporary F-PLN is continually sequenced as the active F-PLN, until it diverges from the active F-PLN. 4. The revision data appears in yellow (except Missed approach and Alternate parts that are displayed in blue) on both MCDUs and NDs. 5. A TMPY F-PLN cannot be created when a DIR TO is already in process. (The “DIR TO IN PROCESS” message appears on the MCDU). 6. The predictions are continually updated for a temporary flight plan. All are correct. With NAV mode engaged on FMGS, the ACTIVATE SEC prompt shall be available if Active and secondary F-PLN have common active leg Active and secondary F-PLN have some common leg HDG / TRK mode is engaged Both (a) and (c) are correct. Mark the correct statements: 1. ECON speed is the basis of the managed speed profile. 2. The ECON speed can be modified. 3. Vertical constraints (altitude, speed, time) that may be stored in the data base or entered manually by the flight crew through vertical revision pages. 4. When all the vertical data has been defined, the FMGC computes the vertical profile and the managed speed/Mach profile from takeoff to landing. All are correct. Questions on Chapter 22 Page 55 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The lateral flight plan includes the following elements: ‐ Departure Takeoff runway SID En route transition. ‐ En route En route waypoints and airways. ‐ Arrival En route transition STARs/VIAs Landing runway with selected approach Missed approach. ‐ Alternate flight plan. These elements are defined by waypoints and legs between the waypoints. Mark the correct statements: A. The FMGC automatically strings the legs in sequence. B. The flight plan has a discontinuity if any two waypoints do not have a leg defined between them. C. The computer assumes that the aircraft will fly a direct leg between the two waypoints that define the discontinuity. D. All are correct. Questions on Chapter 22 Page 56 of 428  A320 TECHNICAL QUESTIONS Auto Flight System How does FMGS change from Take-Off Phase to Climb Phase? 1). At Acceleration Altitude 2). By engagement of another vertical mode. 3). At THR Reduction Altitude. A.) 1 B.) 1,2 C.) 2,3 Mark the correct answers.. FMGS remains in GO-AROUND Mode as long as Approach phase is not activated manually. FMGS remains in GO-AROUND Mode as long as a NEW DEST is not inserted or ALTN is not selected. Both are correct. Mark the correct statements: A.) FMGS switches automatically from CLIMB to CRUISE phase when a/c reaches the cruise altitude entered on PROG page. It will be shown by ALT CRZ mode on FMA. B.) If ALT is displayed on FMA after reaching the cruise flight level, FMGS is still in CLIMB phase. To force the FMGS to switch in CRUISE Phase, you have to enter the new CRZ ALT in PROG page. C.) Both of the above are correct. How is the Approach phase activated? 1). Overflying (DECEL) pseudo waypoint with NAV mode engaged and below 7200 ft AGL. 2). Overflying (DECEL) pseudo waypoint with LOC*/LOC mode engaged and below 7200 ft AGL 3). Overflying (DECEL) pseudo waypoint with LOC*/LOC mode engaged without any altitude restriction. 4). Manual activation of the approach phase. A.) 1,4 B.) 1,2,4 C.) 1,2,3 D.) 1,3,4 Questions on Chapter 22 Page 57 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Mark correct statements for PERF Factor: 1). PERF Factor is mainly used for predictions during the cruise phase. 2). Lower PERF Factor is considered better as compared to high PERF factor 3). High PERF Factor is considered better as compared to low PERF Factor. A.) 1,2 B.) 1,3 Name the factor which is used to correct predicted fuel flow if a/c performance differs from performance model stored in the FMGS Database? A.) IDLE FACTOR B.) PERF FACTOR C.) COST INDEX Name the factor which is dedicated to the FM Descent segment so as to adjust FM Descent predictions. If it is positive, it gives an earlier TOD. If it is negative, TOD is delayed and you will see steeper path. A.) IDLE FACTOR B.) PERF FACTOR C.) COST INDEX PERF Factor: 1) The PERF factor is used to correct the predicted fuel flow, used for fuel prediction computation within the FMGS. 2) Its value can be a positive or negative expressed in percentage. 3) Its value will be only positive expressed in percentage. 4) As the actual aircraft drag and engine performance deviate from the nominal model, due to 5) the aircraft‟s age, airlines periodically apply a correction factor to adapt fuel predictions to actual fuel consumption. 6) The PERF factor modifies the predicted fuel flow, according to a formula. IDLE factor is dedicated to 1) FM Descent segment 2) Its aim is to adjust FM descent predictions. In particular, the TOD position with the actual engine idle thrust used during descent. 3) Positive IDLE factor gives an earlier TOD {shallower path} 4) Negative IDLE factor delays TOD {steeper path} A.) 1,2 B.) 1,3 C.) 1,2,3,4 D.) 2,3,4 Questions on Chapter 22 Page 58 of 428  A320 TECHNICAL QUESTIONS Auto Flight System Cost Index = 99 corresponds to Minimum fuel consumption (max range) Minimum time. Best ratio between the flight time cost and the fuel cost. LRC (Long Range Cruise). Cost Index = 0 (zero) corresponds to Minimum fuel consumption (max range) Minimum time. Best ratio between the flight time cost and the fuel cost. LRC (Long Range Cruise). The energy circle is a green arc, centered on the aircraft's position and oriented towards the current track line. It is displayed on the NDs during descent, when HDG or TRK mode is selected. True. False. Selection of the correct takeoff runway on the FMGC prior to each flight is necessary because: The FADEC needs it to know how much to reduce the thrust for takeoff. Selection of the correct runway insures proper pressurization. Selection of the correct runway permits the FMGC to update its position at takeoff. For a PROG Page: This page displays navigation information and active data such as the optimum and maximum recommended cruise flight levels. It enables the flight crew to update the FMGS position and to obtain a bearing and distance to any location. This page displays the optimum speed or Mach number for each phase. By this page crew initialize the flight plan, set the departure and arrival airports, and the main flight parameters (for example, cruise FL, Cost Index). With the help of this page, flight crew access to various reference pages that show aircraft position, aircraft status, runways, waypoints, navaids, routes, and data stored by the flight crew. Questions on Chapter 22 Page 59 of 428  A320 TECHNICAL QUESTIONS Auto Flight System You can modify any of the following altitudes in FMGS through ???????? page: {But altitudes less than 400 ft above airfield elevation cannot be selected.} 1. THR RED ALT (Thrust reduction altitude) 2. ACC ALT (acceleration altitude) 3. ENG OUT ACC (engine out acceleration altitude) 4. TRANS ALT (transition altitude) 1,2 1,2,3 1,2,3,4 Questions on Chapter 22 Page 60 of 428  A320 TECHNICAL QUESTIONS Auto Flight System SPEED REFERENCE SYSTEM: Mark the correct statements: When in SRS Mode, IAS of the a/c will be limited to V2 + 10 kts in case of both engines during T/O. If one engine fails while a/c is still in SRS, the speed target will be highest of V2 or current speed, limited by v2 +15 kts. If a/c speed is more than V2 +15 and engine fails in SRS mode, a/c speed will be brought back to v2 +15 kts. All of the above are correct. In SRS mode: SRS guidance law also includes 1. Attitude protection, 2. Flight Path protection 3. Speed protection 4. Best rate of climb taking into account actual wind component. 1,2 1,2,3 1,2,3,4 When is the SRS active? During a Go Around (after the thrust levers are placed in the TOGA position) up to the acceleration altitude. At T/O, when TOGA or FLX power is set, SRS is displayed on the FMA and provides guidance up to the acceleration altitude. Both are correct. The SRS flight guidance laws provide speed targets in SRS and includes some attitude protection. In the case of wind shear, what maximum attitude does the guidance law reduce the aircraft nose-up attitude to, during takeoff? 17.5 degrees. 22.5 degrees. 30 degrees. In take off mode, SRS guidance will be displayed it V2 is selected on FCU speed window V2 is defined on MCDU PERF T/O page V2 is selected on FCU and flaps are extended V2 is defined on MCDU and slats are extended. Questions on Chapter 22 Page 61 of 428  A320 TECHNICAL QUESTIONS Auto Flight System After take off, the vertical guidance by SRS is disengaged Automatically at FCU altitude By putting the speed knob Automatically at ACC ALT All the above are correct SRS mode: 1. Disengages automatically, at the acceleration altitude for two engine operation. 2. However, in engine out conditions, SRS does not disengage automatically at ACC ALT 3. Disengages when crew engages another vertical mode 4. During T/O, if altitude on FCU is set lower than current altitude, a/c will remain in SRS mode until pilot takes some corrective action. 1, 2, 3, 4 Does SRS provide any attitude protection? Yes, along with attitude protection, SRS provides flight path protection and speed protection also. No, SRS provides only speed protection limiting the target speed to V2 +15. During short final, ATC advises to Go-Around. By advancing thrust levers to TOGA: SRS mode engages with NAV if at least in Config 1{FMA displays SRS / NAV} and if FDs were off, FD bars are restored during SRS/NAV. When SRS mode is engaged, target speed is limited to Green Dot speed. Both the above are correct. Mark the correct statements: A. When out of ACC ALT, SRS disengages automatically but if one engine fails before ACC ALT, SRS will not disengage automatically. B. SRS will disengage if you select any other vertical mode. C. If you select speed, SRS will disengage and OP CLB will get engaged with a triple click aural warning. D. All of the above are correct. Questions on Chapter 22 Page 62 of 428  A320 TECHNICAL QUESTIONS Auto Flight System SPEED / MACH CONTROL: In flight, either the AP/FD pitch control, or auto thrust may acquire and hold a target speed or Mach number, depending on the engaged pitch modes. Speed control is: ‐ Managed when the target comes from the FMGS ‐ Selected when the target comes from the SPD/MACH FCU window. Mark the correct statements: 1) In SPEED/MACH mode, the A/THR adjusts the thrust in order to acquire and hold a speed or Mach target. 2) This speed or Mach target may be Selected on the FCU by the flight crew. 3) This speed or Mach target may be Managed by the FMGC. A. 1 B. 1,3 C. 1,2,3 Select the correct statement: Speed control is managed: 1). When target comes from FMGS. 2). SPD/MACH window on FCU will show dashes, and dot is lit. 3). PFD scale shows target speed in magenta. 1 1,2,3 Select the correct statement: Speed control is selected, 1). When target comes from SPD/MACH FCU window. 2). SPD/MACH is displayed on the FCU window. 3). PFD scale shows in Blue. All are correct If you change SPD from Managed to Select Mode, is there any change on FMA? Yes No. During climb, if you disconnect both AP/FDs, you can have : Only Selected SPEED mode, Only Managed SPEED mode, Any of managed or selected SPD. During descend, if you disconnect both AP/FDs, you can have : Only Selected SPEED mode, Only Managed SPEED mode, Any of managed or selected SPD. During approach, once approach phase is activated on MCDU, if you disconnect both AP/FDs, you can have: Only Selected SPEED mode, Only Managed SPEED mode, Any of managed or selected SPD. Questions on Chapter 22 Page 63 of 428  A320 TECHNICAL QUESTIONS Auto Flight System During climb, if you disconnect both AP/FDs, A/THR reverts to: Selected SPEED mode, Both managed and selected SPD are available. During descend, if you disconnect both AP/FDs, A/THR reverts to: Selected SPEED mode, Both managed and selected SPD are available. During approach, once approach phase is activated on MCDU, if you disconnect both AP/FDs, A/THR reverts to: Selected SPEED mode, Both managed and selected SPD are available. Speed is managed if: Pilot pushes the SPD Knob and AP or FD is ON. Otherwise it is selected. There will be no change on FMA whether Managed Speed or Selected Speed. Selected speed has a range :Vmax to VLS Managed SPD has a range: VMAX to Maneuvering speed. When in SPEED/MACH mode, the A/THR does not allow speed excursions beyond the following limits, regardless of the target speed or Mach number: ‐ For a selected speed target, the limits are VLS and VMAX (VMO-MMO, VFE-VLE, whichever applies) ‐ For a managed speed target, the limits are maneuvering speed (Green Dot, S, F, whichever applies) and maximum speed (340/0.80-VFE-VLE, whichever applies). In flight, if situation calls for, PFD and MCDU display a message proposing to change from selected mode to managed mode. {SET MANAGED SPED, SET HOLD SPEED, SET GREEN DOT SPEED} True False Mark the correct statements: A. If NAV mode is engaged and speed in managed mode, the SPD profile takes into account all the constraints linked to the flight plan. B. If NAV mode is engaged but speed is in selected mode, the SPD/MACH constraints are not considered. C. If NAV mode is not engaged but speed is in managed mode, the SPD/MACH constraints are not considered. D. All are correct. Questions on Chapter 22 Page 64 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The form of the managed SPD profile depends on the lateral NAV mode. If NAV Mode is engaged, the Managed speed profile is as follows: V2 - SPD LIM - SPD CSTR (if applicable) - ECON CLB SPD/MACH - ECON CRZ MACH -ECON or preset DES MACH/SPD -SPD LIM - SPD CSTR (if applicable) - HOLD SPD (ifapplicable) - VAPP. If NAV Mode is not engaged, the Managed speed profile is as follows: V2 - SPD LIM - ECON CLB SPD/MACH - ECON CRZ MACH - ECON or preset DES MACH/SPD - SPD LIM - VAPP. Questions on Chapter 22 Page 65 of 428  A320 TECHNICAL QUESTIONS Auto Flight System The minimum energy level is the energy level the aircraft will have at touch down if it lands at VAPP speed with the tower reported wind as inserted in the PERF APPR page. The minimum energy level is represented by the Ground Speed the aircraft will have at touch down. This Ground Speed is called “GROUND SPD MINI”. During the approach, the FMGS continuously computes the speed target using the wind experienced by the aircraft in order to keep the ground speed at or above the “Ground Speed Mini”. During the approach, the FMGS continuously computes the speed target using the wind experienced by the aircraft in order to keep the ……………….. at or above the “Ground Speed Mini”. Ground speed IAS TAS In approach phase, the managed speed target is the Mini Ground Speed target computed by the Flight Guidance (FG) part of the FMGS. Flight Management (FM) part of the FMGS. For “Ground Speed Mini” function, A/THR need not be engaged. {A/THR is not required.} True False For “Ground Speed Mini” function, “Managed Speed” must be engaged. True False SPD function is managed in APPR even if AP/FD are OFF with or without A/THR.. True False If AP/FD is not on, Managed Speed mode is not available except in APPR phase. True False During Approach, if AP and FDs are both off, “Ground Speed Mini” function is not possible. True False Can the flight crew manually modify the VAPP and TWR wind values on the PERF APPR page? Yes both. No The GS mini value is not displayed to the flight crew. True False Questions on Chapter 22