A330-200/300 Differences from A318/A319/A320/A321 (CFM56/V2500) Navigation PDF

A330-200/300 DIFFERENCES FROM A318/A319/A320/A321 (CFM56/V2500) TRAINING MANUAL NAVIGATION THIS MANUAL IS FOR TRAINING PURPOSES ONLY AND SHOULD NOT BE USED FOR ANY OTHER PURPOSE...

A330-200/300 DIFFERENCES FROM A318/A319/A320/A321 (CFM56/V2500) TRAINING MANUAL NAVIGATION THIS MANUAL IS FOR TRAINING PURPOSES ONLY AND SHOULD NOT BE USED FOR ANY OTHER PURPOSE THESE NOTES ARE NOT UPDATED B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL NAVIGATION Navigation System Control & Indicating (2).................... 2 WEATHER RADAR GENERAL Weather Radar Component Location (2)..................... 144 ADIRS & Standby Instruments General Description. (3).......... 4 WXR/PWS D/O (3)..................................... 148 Radio Navigation Tuning Description (3)..................... 10 ATC/TCAS/T2CAS/T3CAS ADIRS ATC/TCAS Component Location (2)........................ 160 ADIRS System Component Location (2)...................... 12 ATC/TCAS/T2CAS/T3CAS D/O (3)........................ 164 ADIRS D/O (3)......................................... 20 Navigation System Operation, Control & Indicating (3)......... 184 ADIRS Switching D/O (3)................................. 28 Navigation System Line Maintenance (2)..................... 32 ISIS Stand By Instruments Component Location (2)................. 46 Standby Instruments D/O (3)............................... 48 MMR Multi Mode receivers Component Location (2)................. 60 MMR D/O (3)........................................... 66 VOR/MKR-DME-ADF-DDRMI VOR System Component Location (2)....................... 78 VOR/MKR-DME-ADF D/O (3)............................ 80 TAWS/EGPWS EGPWS System Component Location (2)..................... 94 TAWS/EGPWS D/O (3)................................... 98 GCL13151 - GEHT0M0 RADIO ALTIMETER Radio altimeter System Component Location (2).............. 138 Radio Altimeter D/O (3).................................. 142 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) TABLE OF CONTENTS Apr 18, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES Page 11 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL NAVIGATION SYSTEM CONTROL & INDICATING (2) LOCATE CONTROL/INDICATING IN THE COCKPIT GCL13151 - GEHT0M0 - FM34IZLEVEL0201 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM CONTROL & INDICATING (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES Page 22 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL This Page Intentionally Left Blank GCL13151 - GEHT0M0 - FM34IZLEVEL0201 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM CONTROL & INDICATING (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES Page 33 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS & STANDBY INSTRUMENTS GENERAL DESCRIPTION. (3) GENERAL The Air Data and Inertial Reference System (ADIRS) is composed of three identical Air Data and Inertial Reference Units (ADIRUs), one ADIRS Mode Selector Unit (ADIRS MSU) and several sensors. The ADIRUs receive information from the sensors in order to compute air data and internal laser gyros and accelerometers to compute inertial data. This data is displayed to the crew and sent to the MCDU and other aircraft systems. The sensors also send information to the Integrated Standby Instrument System (ISIS) for standby display. GCL13151 - GEHT0M0 - FM34DB000000001 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS & STANDBY INSTRUMENTS GENERAL DESCRIPTION. Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES (3) Page 44 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34DB000000001 GENERAL MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS & STANDBY INSTRUMENTS GENERAL DESCRIPTION. Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES (3) Page 55 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS & STANDBY INSTRUMENTS GENERAL DESCRIPTION. (3) ADIRS GENERAL SWITCHING The ADIRU SWITCHING panel is located on the center pedestal. In The ADIRUs are used as primary means of navigation. Each ADIRU is normal configuration, ADIRU 1 supplies the CAPT EFIS, and heading a combination of an Air Data Reference (ADR) and an Inertial Reference to the DDRMI. ADIRU 2 supplies the F/O EFIS and ADIRU 3 is in (IR) inside a single unit. standby. In case of failure of the ADR or IR function of ADIRU 1 or INPUTS 2, the affected instruments and displays can be manually switched to ADIRU 3 by turning the switch on the SWITCHING panel. The ADIRUs receive data from several air data sensors. Pitot and static inputs are processed by Air Data Modules (ADMs) and sent to CONTROLS the ADIRUs, in addition, the information from the Angle Of Attack The ADIRS MSU is used to turn the ADIRUs on and off. The (AOA) and Total Air Temperature (TAT) sensors send their OFF/NAV/ATT switch controls of the ADIRS MSU allow to power information directly to the ADIRUs. Standby pitot and static data are each ADIRU. The ADIRS MSU provides FAULT/OFF indications also sent to the ISIS. The inertial part of the ADIRUs receives Global of the IR and ADR parts of the ADIRUs. It also enables switching Positioning System (GPS) information from the Multi Mode Receiver from normal operation mode to back-up mode in case of loss of (MMR). The GPS is optional on the A330/A340-200/300. navigation capability. In this case, only attitude and heading COMPUTATION information is available. IRS initialization is normally performed through the FMGEC via the The ADIRUs inertial part calculates and outputs: attitude, heading, MCDU. The MCDU also displays ADIRS parameters. The Flight angular rate, acceleration, vertical speed, aircraft position and ground Control Unit (FCU) provides the capability of adjusting the barometric speed. The ADIRUs air data part provides anemometric data such as reference to the ADIRUs. airspeed, Mach number, static and total temperature, and barometric altitude. NOTE: Note : with the latest version of the Flight Management GCL13151 - GEHT0M0 - FM34DB000000001 OUTPUTS System (FMS), an auto-alignment by GPS is available. The ADIRUs provide information to many of the Line Replaceable INTERFACE Units (LRUs) as well as attitude and heading information displayed The ADIRUs are directly connected to different user systems [Flight on the PFD and ND via the Display Management Computers (DMCs). Warning Computer (FWC), Full Authority Digital Engine Control ADIRU 1 and ADIRU 3 provide heading data to the Digital Distance (FADEC), DDRMI],and to the Flight Control Computers (FCCs). and Radio Magnetic Indicator (DDRMI). The wiring between the RAs and the ADIRUs is for the Indicated Air Displayed heading data is referenced to true or magnetic north, control Speed (IAS). of the type of output is selectable by the flight crew via the true/MAGnetic pushbutton. The ADIRUs also provide information to the Flight Management Guidance and Envelope Computer (FMGEC) for flight management purposes. MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS & STANDBY INSTRUMENTS GENERAL DESCRIPTION. Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES (3) Page 66 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34DB000000001 ADIRS GENERAL - INPUTS... INTERFACE MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS & STANDBY INSTRUMENTS GENERAL DESCRIPTION. Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES (3) Page 77 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS & STANDBY INSTRUMENTS GENERAL DESCRIPTION. (3) ISIS GENERAL The ISIS replaces three conventional standby instruments: - the standby altimeter, - the standby horizon indicator, - the standby airspeed indicator. PRESENTATION ISIS is composed of: - a pressure module with its associated pressure sensors, - an inertial module with its associated gyroscopes and accelerometers, - a computation module for operational parameters calculation (altitude, airspeed, attitude) and graphics generation, - a display module (color liquid crystal display). DISPLAY ISIS can display: - airspeed and Mach number, - pitch and roll angles, - lateral acceleration, - altitude, - ILS information, GCL13151 - GEHT0M0 - FM34DB000000001 - reference barometric pressure in Hpa. Optionally, ISIS can also display: - metric altitude, - barometric correction in IN.HG, - magnetic heading. MAINTENANCE/TEST FACILITIES ISIS is fitted with a BITE. Specific maintenance and test menus are directly accessible by using the keys on the front face of the instrument. ISIS is connected to the Central Maintenance Computer (CMC) for BITE status interrogation. MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS & STANDBY INSTRUMENTS GENERAL DESCRIPTION. Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES (3) Page 88 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34DB000000001 ISIS GENERAL - PRESENTATION... MAINTENANCE/TEST FACILITIES MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS & STANDBY INSTRUMENTS GENERAL DESCRIPTION. Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES (3) Page 99 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL RADIO NAVIGATION TUNING DESCRIPTION (3) valid FMGEC controls its own side receivers, via its own side RMP and GENERAL the opposite receivers directly. The aircraft is fitted with the following radio navigation aids: BACKUP TUNING - 2 VOR receivers, - 2 DME receivers, If both FMGECs have failed, the receivers can be manually tuned via the - 2 ILS receivers, RMPs. This is the backup tuning mode. The CAPT and F/O use their - 2 ADF receivers (1 or 2 ADF are optional on A340-500/600). RMPs to control their own side receivers. The ILS course and frequency are the only radio navigation data exchanged (ILS 1 and ILS 2 must be AUTOMATIC TUNING identical). In normal operation, each Flight Management Guidance and Envelope NOTE: Note: the third RMP does not operate in radio navigation backup Computer (FMGEC) automatically tunes its own side receivers via its mode. associated Radio Management Panel (RMP). This is the automatic tuning mode presented in the schematic below. MANUAL TUNING In manual tuning mode, the crew uses the RADIO NAV page on the CAPT or F/O MCDU. The manual settings are sent to the corresponding receivers via the FMGECs and the RMPs. When MCDUs 1 and 2 are ON, it is not possible to use MCDU 3 for manual tuning. MCDU SWITCHING GCL13151 - GEHT0M0 - FM34DC000000001 If one MCDU has failed and has been set to OFF, the third MCDU will take over. If the CAPT and F/O MCDUs are set to OFF, MCDU 3 operates as the CAPT MCDU. FM SWITCHING In case of failure of a single FMGEC, the switching panel can direct the control of all the radio navigation receivers to the remaining FMGEC. If one FMGEC fails, manually switching to the remaining FMGEC must be performed through the Flight Management (FM) rotary switch. The MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) RADIO NAVIGATION TUNING DESCRIPTION (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 10 Page 10 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34DC000000001 GENERAL... BACKUP TUNING MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) RADIO NAVIGATION TUNING DESCRIPTION (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 11 Page 11 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS SYSTEM COMPONENT LOCATION (2) ADIRUs LOCATION The 3 ADIRUs are installed in the avionics compartment. To get access to ADIRU 1 and 2, the floor 122JF (floor in front of the 800 VU rack) must be removed. GCL13151 - GEHT0M0 - FM34C9COMPLOC01 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SYSTEM COMPONENT LOCATION (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 12 Page 12 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34C9COMPLOC01 ADIRUS LOCATION MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SYSTEM COMPONENT LOCATION (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 13 Page 13 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS SYSTEM COMPONENT LOCATION (2) ADIRS MSU PANEL LOCATION The ADIRS MSU (Mode Selector Unit) is installed on the overhead panel, left hand side. GCL13151 - GEHT0M0 - FM34C9COMPLOC01 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SYSTEM COMPONENT LOCATION (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 14 Page 14 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34C9COMPLOC01 ADIRS MSU PANEL LOCATION MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SYSTEM COMPONENT LOCATION (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 15 Page 15 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS SYSTEM COMPONENT LOCATION (2) SWITCHING PANEL LOCATION The switching panel is installed on the forward part of the pedestal. The switching panel is used for the selection of the IR or the ADR part of ADIRU 3 when there is a malfunction of ADIRU 1 or 2. GCL13151 - GEHT0M0 - FM34C9COMPLOC01 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SYSTEM COMPONENT LOCATION (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 16 Page 16 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34C9COMPLOC01 SWITCHING PANEL LOCATION MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SYSTEM COMPONENT LOCATION (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 17 Page 17 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS SYSTEM COMPONENT LOCATION (2) PITOT AND STATIC PROBES The pitot and static probes are installed on the nose and the forward fuselage. The pitot and static probes are connected to 8 Air Data Modules (ADM). The ADMs do a conversion of the air pressure into digital format and they send these data to the ADIRUs. NOTE: The position of the CAPT, F/O and Stand-by static ports can change with the different aircraft versions and types and the different A/C aerodynamic shapes (fuselage length, location of engines, etc.). GCL13151 - GEHT0M0 - FM34C9COMPLOC01 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SYSTEM COMPONENT LOCATION (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 18 Page 18 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34C9COMPLOC01 PITOT AND STATIC PROBES MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SYSTEM COMPONENT LOCATION (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 19 Page 19 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS D/O (3) respectively connected to ADR1 and ADR3. For the F/O TAT sensor, ADIRU PRINCIPLE only one sensing element is connected to ADR2. The Air Data/Inertial Reference Unit (ADIRU) comprises an Air Data NOTE: Optionally, a specific TAT sensor installed with a tube Reference (ADR) and an Inertial Reference (IR) both included in a single receives compressed air picked up on the bleed air muscle unit. pressure line manifold. This compressed air induces a suction SENSOR CONNECTION effect and creates airflow inside the sensor. This type of TAT sensor is used to compensate the solar heating effect The probes are connected to the ADR of the ADIRU. on the ground. STATIC PORTS WATER DRAIN AND HEATING CAPT and F/O static ports directly provide static pressure to 4 Air The probes are installed in such a way that their pressure lines do not Data Modules (ADMs) which convert this pressure into digital format. require a water drain except for the stand-by static line. The probe ADR1 and ADR2 compute the average static pressure value from the and sensor heating is achieved through the probe heating system. left and right ADMs. Standby static ports provide an average pressure directly to the Integrated Standby Instrument System (ISIS) indicator and to a single ADM connected to ADR3. PITOT PROBES The three pitot probes directly provide the total pressure to three ADMs. The standby pitot probe also supplies the standby airspeed indicator function of the ISIS indicator. ANGLE OF ATTACK SENSOR GCL13151 - GEHT0M0 - FM34D1000000002 Each Angle Of Attack (AOA) sensor provides a primary and a backup signal to each ADIRU. In case of failure, the selection is automatically made by the ADIRU. The AOA sensor is equipped with a self-test device which is activated from the MCDU through the ADIRU. The AOA sensors are also called Alpha probes. TOTAL AIR TEMPERATURE SENSORS Each Total Air Temperature (TAT) sensor has two independent sensing elements. For the CAPT TAT sensor, sensing elements 1 and 2 are MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 20 Page 20 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34D1000000002 ADIRU PRINCIPLE & SENSOR CONNECTION MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 21 Page 21 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS D/O (3) AIR DATA MODULE The static and pitot probes are connected with the ADIRU through the ADMs. ADM INPUTS The 8 ADMs are identical and the ADIRU provides 13.5V DC to supply each associated ADM. The ADM inputs have one pressure input and several discrete inputs. The discrete inputs determine the ADM location and the type of pressure data (pitot or static) to provide to the ADR. ADM FUNCTIONAL DESCRIPTION A microcomputer processes an ARINC signal according to the discrete inputs and to the digitized pressure. ADM OUTPUT The ADM output is an ARINC bus, which provides digital pressure information, type of pressure, ADM identification and BITE status to the ADIRU. ADR COMPUTATION GCL13151 - GEHT0M0 - FM34D1000000002 The ADR processes sensor and ADM inputs in order to provide air data to users. MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 22 Page 22 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34D1000000002 AIR DATA MODULE & ADR COMPUTATION MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 23 Page 23 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS D/O (3) ADR COMPUTATION (continued) AIR DATA MONITORING FUNCTION When the crew selects all ADRs OFF, the Backup Speed Scale and backup altitude scale replace at the same time the normal speed and altitude scale on the two PFDs. The backup altitude scale displays the GPS Altitude. This makes it possible for the flight crew to fly at a safe speed and altitude when there is an unreliable speed/altitude indication. The air data monitoring function makes it possible to fly at a safe speed, stay above the stall speed and below the maximum structural speeds. The function lets the pilots reach a safe speed by an adjustment of the thrust and the pitch. The two red areas show the range in which the speed is too fast and the range in which the speed is less than the stall speed. The amber areas show the range of high speeds with an appropriate margin to the maximum structural speeds and the range of low speeds with an appropriate margin to the stall. The green area shows the safe speed range. The target speed (green) is the most satisfactory speed. During approach, it shows the target speed for the approach. The GPS ALT flag (white) is an indication that the GPS altitude replaces the barometric altitude. When amber dashes are on the last GCL13151 - GEHT0M0 - FM34D1000000002 two digits, they are an indication of a degraded altitude display mode. MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 24 Page 24 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34D1000000002 ADR COMPUTATION - AIR DATA MONITORING FUNCTION MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 25 Page 25 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS D/O (3) IR COMPUTATION Three accelerometers, one for each axis, provide linear accelerations. Three ring laser gyros, provided with two laser beams, circulating into a ring, provide inertial rotation rate for each axis. Each ADIRU provides IR data to users by combining the computation of the signals provided by the laser gyros and the accelerometers outputs. GCL13151 - GEHT0M0 - FM34D1000000002 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 26 Page 26 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34D1000000002 IR COMPUTATION MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 27 Page 27 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS SWITCHING D/O (3) PRINCIPLE The Air Data/Inertial Reference System (ADIRS) is composed of three Air Data/Inertial Reference Units (ADIRUs). [ Various instruments and systems receive data from the ADIRS such as the PFD, the ND, the ECAM SD for inertial and air data display, via the Display Management Computers (DMCs), or directly for the Digital Distance and Radio Magnetic Indicator (DDRMI). The ADIRS provides barometric altitude to the mode S of the ATC transponder. The ADIRS provides data to the Flight Management Guidance and Envelope Computer (FMGEC) for aircraft position computation and for the computation of various characteristic speeds. The ADIRS provides data to the Weather Radar (WXR) system for antenna attitude stabilization. Basically, ADIRU 1 is associated with system 1 and the DDRMI, ADIRU 2 with system 2, and ADIRU 3 is in standby. If an Air Data Reference (ADR) or an Inertial Reference (IR) fails, the AIR DATA or ATTitude HeaDingG selector enables the crew to use ADR 3 or IR 3. The manual switching is mainly performed to recover displays. The computers select their inputs according to the switching for consistency of computation and display. GCL13151 - GEHT0M0 - FM34D2F34AE0302 NOTE: Each FMGEC receives data from the 3 ADIRUs. The switching only concerns characteristic speeds. The ADIRU data sent to the ECAM SD are Static Air Temperature (SAT), Total Air Temperature (TAT) and International Standard Atmosphere (ISA). MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SWITCHING D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 28 Page 28 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34D2F34AE0302 PRINCIPLE MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SWITCHING D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 29 Page 29 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL ADIRS SWITCHING D/O (3) SWITCHING Here is an example of ADIRS switching IR 1 failed in order to see the effect on the schematic. GCL13151 - GEHT0M0 - FM34D2F34AE0302 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SWITCHING D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 30 Page 30 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34D2F34AE0302 SWITCHING MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) ADIRS SWITCHING D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 31 Page 31 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL NAVIGATION SYSTEM LINE MAINTENANCE (2) GENERAL The Air Data and Inertial Reference System (ADIRS) is composed of three identical Air Data and Inertial Reference Units (ADIRUs), one ADIRS Mode Selector Unit (ADIRS MSU) and several sensors. The ADIRUs receive information from the sensors in order to compute air and internal laser gyros and accelerometers to compute inertial data. This data is displayed to the crew and sent to the MCDU and other A/C systems. The sensors also send information to the Integrated Standby Instrument System (ISIS) for standby display. GCL13151 - GEHT0M0 - FM34B1000000001 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 32 Page 32 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34B1000000001 GENERAL MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 33 Page 33 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL NAVIGATION SYSTEM LINE MAINTENANCE (2) ADIRS - ALIGNMENT BATTERIES TEST NOTE: Note: There is no specific ADIRS battery. ALIGNMENT OF THE IRS The Flight Management Guidance and Envelope System (FMGES) uses the reference point coordinates of the departure airport to align the Inertial Reference System (IRS). It automatically calls these up from the database after the operator has entered a company route or an origin-destination city pair and pressed the ALIGN IRS on the MCDU. The operator can manually adjust these coordinates to the gate position. A complete alignment takes 10 minutes. A specific alignment procedure has to be respected beyond 73°and 82° north or south (to refer to FCOM documentation). The alignment procedure is not possible beyond 82° north or south. GCL13151 - GEHT0M0 - FM34B1000000001 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 34 Page 34 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34B1000000001 ADIRS - ALIGNMENT - BATTERIES TEST & ALIGNMENT OF THE IRS MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 35 Page 35 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL NAVIGATION SYSTEM LINE MAINTENANCE (2) ADIRS - ALIGNMENT (continued) AUTOMATIC ALIGNMENT BY GPS (OPTION) With the latest ADIRUs, an optional automatic alignment by GPS position is possible. This initialization by GPS does not require any operator action. Less than 1 minute after setting the ADIRS to NAV, the INIT page displays the GPS position, without displaying the ALIGN IRS prompt message. The complete alignment will take between 5 and 10 minutes depending on the local latitude and up to 17 minutes between 73°and 82° north or south. If the operator enters a company route, or an origin-destination city pair, the INIT page displays the departure airport reference-point coordinates, and the IRS ALIGN prompt message appears. If the prompt key is not pressed, the ADIRS will be aligned on the GPS position. If the prompt key is pressed the ADIRS will be aligned on the reference point coordinates of the departure airport. The operator can also modify the indicated aircraft position using the MCDU latitude and longitude keys of the INIT page. In that case the ALIGN IRS prompt key will appear and has to be pressed. GCL13151 - GEHT0M0 - FM34B1000000001 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 36 Page 36 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34B1000000001 ADIRS - ALIGNMENT - AUTOMATIC ALIGNMENT BY GPS (OPTION) MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 37 Page 37 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL NAVIGATION SYSTEM LINE MAINTENANCE (2) ADIRS - ALIGNMENT (continued) FAST REALIGNMENT During transit or en-route stops with brief ground times, the flight crew may do a fast re-alignment by selecting from NAV to OFF and then back to NAV within 5 seconds. The Inertial Reference (IR) starts a 30 seconds realignment with existing attitude, heading angles and velocities set to zero. NOTE: Note: The ALIGN IRS prompt will appear and has to be pressed to achieve the alignment. With the optional automatic alignment by GPS, the procedure is the same except that no pilot entry is necessary (no action needed on the ALIGN IRS prompt). GCL13151 - GEHT0M0 - FM34B1000000001 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 38 Page 38 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34B1000000001 ADIRS - ALIGNMENT - FAST REALIGNMENT MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 39 Page 39 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL NAVIGATION SYSTEM LINE MAINTENANCE (2) INTERRUPTION DURING ALIGNEMENT NOTE: Note: If the test failed twice, the IRS detects a fault situation (indications on MSU and EWD). In that case, switch the EXCESSIVE MOTION ADIRUs to OFF, wait 20 seconds and try a complete new If taxing or towing causes a step input exceeding a threshold, alignment. alignment or rapid realignment is stopped and then the ADIRUs revert to the beginning of a 10 minutes alignment. Step input threshold: 0.5ft/s, 30 seconds after motion has been detected, and no other motion has occurred, a 10 minutes alignment begins. NOTE: Note: It is not necessary to re-initialize the position if already entered. TEST OF STORED POSITION When the initial position is entered, the ADIRUs check if it is within a threshold of the computed position, which has been stored at the last ADIRU shutdown. If not, an MCDU message "REALIGN IRS" is displayed requiring insertion of the present position. Test threshold: 1° for latitude and longitude during alignment, 0.5° during rapid realignment. NOTE: Note: If the new position does not pass the test, the system waits for another position entry. If the same position (out GCL13151 - GEHT0M0 - FM34B1000000001 of the threshold) is entered twice, the ADIRUs accept it as a deliberate choice. TEST OF COMPUTED LATTITUDE At the end of the alignment, the ADIRUs check if the entered latitude is within a threshold of the self computed latitude. If not, an MCDU message "REALIGN IRS" is displayed requiring insertion of the present position. At a new position entry, the IRS alignment is necessary. If this position passes the test, the alignment is completed. MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 40 Page 40 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34B1000000001 INTERRUPTION DURING ALIGNEMENT - EXCESSIVE MOTION... TEST OF COMPUTED LATTITUDE MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 41 Page 41 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL NAVIGATION SYSTEM LINE MAINTENANCE (2) MAINTENANCE TIPS In some situations, if you do not know the airport point coordinates, you can waste time aligning the ADIRS and doing the maintenance task. For example, the GPS is not available and you are not at your usual airport. An easy way to retrieve the local data for longitude and latitude (to align the ADIRS) can be to print out the Post Flight Report (PFR). On the PFR header, the origin-destination city pair is normally presented. Take the 4 letters of the destination city and enter them, via the MCDU scratchpad line, both in the "FROM" and "TO" fields of the INIT page, e.g. "LFBO/KJFK". Then press on the ALIGN IRS prompt. GCL13151 - GEHT0M0 - FM34B1000000001 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 42 Page 42 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34B1000000001 MAINTENANCE TIPS MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 43 Page 43 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL NAVIGATION SYSTEM LINE MAINTENANCE (2) ADM PNEUMATIC CONNECTION To connect the Air Data Module (ADM) quick-disconnect coupling, make sure that you can see the blue ring on the coupling and pull it to make sure that it is correctly attached. GCL13151 - GEHT0M0 - FM34B1000000001 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 44 Page 44 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34B1000000001 ADM PNEUMATIC CONNECTION MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) NAVIGATION SYSTEM LINE MAINTENANCE (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 45 Page 45 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL STAND BY INSTRUMENTS COMPONENT LOCATION (2) STANDBY INSTRUMENTS COMPONENT LOCATION The Integrated Standby Instrument System (ISIS) is installed on the main instruments panel, captain side. The Standby Compass, which provides the flight crew with the magnetic heading, is installed below the overhead panel, attached by two screws. GCL13151 - GEHT0M0 - FM34CACOMPLOC01 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) STAND BY INSTRUMENTS COMPONENT LOCATION (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 46 Page 46 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34CACOMPLOC01 STANDBY INSTRUMENTS COMPONENT LOCATION MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) STAND BY INSTRUMENTS COMPONENT LOCATION (2) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 47 Page 47 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL STANDBY INSTRUMENTS D/O (3) GENERAL The aircraft is fitted with a standby compass that displays the magnetic heading, and one Integrated Standby Instrument System (ISIS), which is a combined standby altimeter, horizon indicator and airspeed indicator. The ISIS displays the following information: - airspeed, - mach number, - pitch and roll angles, - lateral acceleration, - altitude in feet (ft), - Glide Slope (G/S) and LOCalizer deviations, - BAROmetric reference in hectopascals (hPa). A light sensor on the ISIS front face automatically controls the display brightness. As soon as the ISIS is energized, it shows the initialization display for 90 s. This display has four yellow boxes indicating ATTitude, SPeeD, ALTitude and INIT 90s. GCL13151 - GEHT0M0 - FM34D3000000002 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) STANDBY INSTRUMENTS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 48 Page 48 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34D3000000002 GENERAL MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) STANDBY INSTRUMENTS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 49 Page 49 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL STANDBY INSTRUMENTS D/O (3) STANDBY COMPASS The standby compass provides the crew with magnetic heading. It consists of a magnetic element rotating freely inside a compass bowl. The compass bowl is immersed in a damping liquid. The magnetic element is linked to a compass card, which moves behind a lubber line and gives the magnetic heading. Rotating the standby compass on its mounting screws can provide a correction of deviation. The upper mounting plate is provided with graduations, which indicate the number of degrees of deviation. A non-magnetic lamp assembly provides illumination of the reading dial. Compensation is achieved by inserting a special key in two holes, marked B and C, located below the graduated mounting plate. In the cockpit, on the center vertical member, a label is installed and provides information on the last calibration of the standby compass. NOTE: Note: For the compensation, only the specific tool must be used. It is not permitted to use magnetic screw drivers with metal objects near it (no vehicles or other aircraft in a radius of 250ft, no buildings with magnetic materials in a radius of 600ft around the aircraft). GCL13151 - GEHT0M0 - FM34D3000000002 MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) STANDBY INSTRUMENTS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 50 Page 50 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34D3000000002 STANDBY COMPASS MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) STANDBY INSTRUMENTS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 51 Page 51 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL STANDBY INSTRUMENTS D/O (3) provided the Computed Air Speed (CAS) is greater than 50 kts. In ISIS case of a power supply cut-off less than 50 ms, there is no effect on the display. DESCRIPTION The back of ISIS is equipped with two pressure connectors: OPERATION - one is connected to the standby pitot probe for total pressure When ISIS is energized, a delay of 90 seconds is necessary for acquisition, initialization. ISIS computes and displays its own air and inertial - the other one is connected to the combined standby static probes for parameters. When the airspeed data is not valid, the ground speed static pressure acquisition. information is given as a back-up by the Air Data/Inertial Reference The ISIS indicator contains the following subassemblies: Unit (ADIRU) 1 or ADIRU 3 about the ATT/HDG selector switch - one pressure module, position. The ADIRU also gives Ground Speed (GS) information for - one inertial module, flight/ground condition, as a back-up. A BAROmetric selector knob - one computation module, is used for the display and adjustment of the standard barometric - one display module and, pressure in hPa. When the Landing System P/BSW, which is on the - one interface module. upper right part of the indicator, is pushed, the G/S and LOC scales The pressure module is connected to the total and static pressure come into view. With the BUGS P/BSW, the BUGS page can be connectors. Each pressure line is connected to a pressure sensor in displayed. This page is used to program characteristic speeds and the pressure module. The inertial module is composed of three altitudes displayed on the related speed and altitude scales. The (-) gyrometers (gyrolaser) measuring angular speeds and two specific P/B is used to get access to the next bug and the (+) P/B to return to linear accelerometers (pitch + roll). The computation module includes the previous bug. The computation module uses data from the pressure a Central Processing Unit (CPU), which calculate the operational and inertial modules to process the air and inertial parameters. The parameters (attitude, altitude and airspeed), and a graphic card, which pressure module sends the total and static pressure data and the inertial receives the data from the CPU and sent it to the display module. The module sends accelerations and angular rates data. When they are GCL13151 - GEHT0M0 - FM34D3000000002 display module is fitted on the front face of ISIS. It is of the Liquid computed, the parameters are sent to the display module for indication Crystal Display (LCD) type. The front face is also fitted with several to the crew. The LS data is sent by the Multi-Mode Receiver (MMR) knobs for operation purposes. The interface module is composed of: 1. The Air Data/Inertial Reference System (ADIRS) parameters - a filtering board linked to an electrical connector at the back of ISIS, computed by ISIS are sent to the Flight Data Interface and - the 28V DC power supply unit, Management Unit (FDIMU). The ISIS can operate from 0 to 600 kts - the interface board which links the pressure, inertial, computation without deterioration of airspeed data. It can operate from -2,500 to and display modules. 55,000 ft and up to 40,000 ft/min without deterioration of altimeter data. For the horizon data, the ISIS can operate from -180 to +180 POWER SUPPLY deg without deterioration. ISIS is supplied with 28V DC from the ESSential BUS bar. In case of loss of this bus bar, the HOT BUS bar automatically takes over, MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) STANDBY INSTRUMENTS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 52 Page 52 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL GCL13151 - GEHT0M0 - FM34D3000000002 ISIS - DESCRIPTION... OPERATION MECHANICAL & AVIONICS COURSE - T1+T2 (LVL 2&3) STANDBY INSTRUMENTS D/O (3) Apr 16, 2013 34 - NAVIGATION B1/B2_A330_DIFF_FR_A320 DVIATION TRAINING SERVICES 53 Page 53 REV. 1 FOR TRAINING PURPOSES ONLY DATE: 01.06.2019  A330 RR Trent 700 TECHNICAL TRAINING MANUAL STANDBY INSTRUMENTS D/O (3) ISIS (continued)