Aircraft Systems Quiz
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Questions and Answers

What happens when the FLIGHT DATA RCDR switch is set to the GND TEST position?

  • The SSFDR BITE indicates a failure.
  • The SSFDR stops receiving power.
  • The FLT DATA RECORDER light remains lit.
  • Power removal circuits are bypassed. (correct)

    • Where is the pre-flight GND TEST switch located?

  • On the overhead panel in the flight compartment. (correct)
  • On the center console of the aircraft.
  • Near the co-pilot's controls.
  • In the cockpit under the pilot's seat.

    • What should occur if the SSFDR BITE indicates satisfactory system operation?

  • The FLT DATA RECORDER light turns off. (correct)
  • A warning sound will be heard.
  • The FLT DATA RECORDER light remains illuminated.
  • The system enters a maintenance mode.

    • What effect does setting the anti-collision lights switch to RED or WHITE have?

    <p>It bypasses normal power removal circuits.</p> Signup and view all the answers

    Where can the RED-OFF-WHITE A/COL switch be found?

    <p>On the overhead EXTERIOR LIGHTS panel.</p> Signup and view all the answers

    What is displayed immediately when the SET function selector is selected?

    <p>GMT minutes</p> Signup and view all the answers

    What is the maximum value that Elapsed Time (ET) can display?

    <p>99:59</p> Signup and view all the answers

    When the selector switch is in the DATE position, what does the display alternate between each second?

    <p>Day and Year</p> Signup and view all the answers

    How are leap years managed in the clock's operation?

    <p>They are programmed into operation</p> Signup and view all the answers

    In the DATE display, what does the left two digits represent?

    <p>Month</p> Signup and view all the answers

    Which button is used to cycle through modes when the function selector is in the SET position?

    <p>Elapsed Time button</p> Signup and view all the answers

    What information is provided by the Chronometer function switch?

    <p>States of day, month, and year</p> Signup and view all the answers

    What is indicated by the lower digital display area of the clock face?

    <p>Elapsed Time (ET)</p> Signup and view all the answers

    What color is the SSFDR chassis painted?

    <p>International orange</p> Signup and view all the answers

    Where is the SSFDR installed in the aircraft?

    <p>In the rear fuselage</p> Signup and view all the answers

    What is the purpose of the reflective tape on the SSFDR?

    <p>To assist in recovering the unit</p> Signup and view all the answers

    What is the maximum DC current rating of the SSFDR?

    <p>500 mA</p> Signup and view all the answers

    How is the SSFDR mounted in the aircraft?

    <p>With a ½ ATR short mounting tray</p> Signup and view all the answers

    What installation modifications are noted for certain aircraft utilizing the SSFDR?

    <p>The tray is mounted with four bolts</p> Signup and view all the answers

    Which of the following statements is true regarding the SSFDR's environmental operation?

    <p>It is designed for operation in extreme environmental conditions.</p> Signup and view all the answers

    What inscriptions are marked on the SSFDR chassis?

    <p>FLIGHT RECORDER DO NOT OPEN</p> Signup and view all the answers

    What happens when the CHR pushbutton is pressed?

    <p>It toggles between the display of CHR and the clock.</p> Signup and view all the answers

    Which component receives the date from the clock installations?

    <p>Flight Data Processing System</p> Signup and view all the answers

    What is the function of the ET SEL pushbutton?

    <p>It toggles the indicator between ET and CHR functions.</p> Signup and view all the answers

    When is the ET display blanked?

    <p>When the aircraft is on the ground with weight off wheels.</p> Signup and view all the answers

    What type of power is supplied to CLOCK 1?

    <p>Primary power from left essential and right main.</p> Signup and view all the answers

    What does the PSEU signal indicate?

    <p>Weight-on-wheels status.</p> Signup and view all the answers

    Which circuit breakers supply power to CLOCK 2?

    <p>Two 1 ampere circuit breakers from the right main and battery busses.</p> Signup and view all the answers

    What ensures continuity of power to the clock installations when primary power is removed?

    <p>A keep-alive voltage from the battery power bus.</p> Signup and view all the answers

    Which message indicates a malfunction of the left or right fuel gauging computers?

    <p>[BALANCE]</p> Signup and view all the answers

    What condition triggers the INCR REF SPEEDS message to appear?

    <p>SPS stall sensing change due to icing</p> Signup and view all the answers

    Which of the following messages would you see if the IOP or its connection to the ED fails?

    <p>IOP1 FAIL</p> Signup and view all the answers

    What does the message 'IOM1 FAIL' signify?

    <p>IOM malfunctions are sensed</p> Signup and view all the answers

    When are the IOP FAIL messages displayed?

    <p>When the IOP or its interface malfunctions</p> Signup and view all the answers

    What happens to the [BALANCE] message after it flashes for five seconds?

    <p>It stays on steady</p> Signup and view all the answers

    In what scenario is the 'IOP BAD CONF' message displayed?

    <p>A bad configuration of the aircraft is detected</p> Signup and view all the answers

    What does the presence of the message 'ICE DETECTED' indicate?

    <p>There is ice present on the aircraft</p> Signup and view all the answers

    What is one of the functions of the Flight Data Processing System (FDPS1, FDPS2)?

    <p>Calculates and provides aircraft parameters for the Flight Data Recorder</p> Signup and view all the answers

    Which data formats are converted by the Flight Data Processing System?

    <p>ARINC 429 format</p> Signup and view all the answers

    What does the Power-On Self-Test (POST) check within the Flight Data Processing System?

    <p>Parameters like program memory and power supplies</p> Signup and view all the answers

    Which of the following is not a function of the Flight Data Processing System?

    <p>Manages cabin pressure levels</p> Signup and view all the answers

    What does Aircraft Configuration Management (ACM) relate to within the Flight Data Processing System?

    <p>Managing aircraft system configurations</p> Signup and view all the answers

    What is involved in the maintenance mode of the Flight Data Processing System?

    <p>Performing diagnostics and maintenance tests</p> Signup and view all the answers

    Which parameter is monitored by the Flight Data Processing System to ensure system reliability?

    <p>Hardware and software logic validity</p> Signup and view all the answers

    How does the Flight Data Processing System handle message generation?

    <p>Using system parameters and data sources</p> Signup and view all the answers

    What is a key feature of the Flight Data Processing System in terms of data routing?

    <p>Routes parameters through a single output to another system</p> Signup and view all the answers

    Which mode within the Flight Data Processing System indicates initial startup and functionality checks?

    <p>Initialization (INIT) mode</p> Signup and view all the answers

    Study Notes

    Course Code and Revision Details

    • Course code: DGM12CBXX3Q4PW
    • Issue: 02
    • Date: 20 Sep 2024
    • Revision: 2.0
    • Date: 20 Sep 2024

    ATA 31 Indicating and Recording System

    • This manual is intended for training purposes only.
    • Different sub-systems are present in the indicating and recording system.
    • The system shows time, aircraft parameter data, receives data from sensors and avionics, produces warning tones, shows caution and warning lights, shows advisory lights, and displays navigation, engine, and system parameters.
    • The indicating and recording system consists of clocks, flight data recorder system (FDR), central computer, and electronic instruments system.
    • The central warning system is divided into caution and warning lights and take-off warning.
    • The caution and warning light systems are divided into caution and advisory lights to show malfunctions or conditions requiring corrective action.

    Engine Cockpit Interface Unit (ECIU)

    • The ECIU transfers data between the cockpit and the full authority digital engine controllers (FADECs).
    • Location: Flight compartment, on the lower shelf of the left circuit breaker console.
    • Structure: Contains a single main circuit card assembly (CCA) with two redundant channels (A and B).
    • Inputs: 24 inputs per channel from the cockpit, transmitted to the FADECs and 16 inputs per channel from engines, transmitted to the cockpit.
    • Outputs: 16 discrete outputs per channel (as either a ground or open indication).

    Independent Instruments

    • The electronic clock presents a continuous display of Greenwich Mean Time (GMT) or Local Time (LOC).
    • The electronic clock can also show elapsed time (ET), date, or function as a chronometer (CHR).
    • The Solid State Flight Data Recorder (SSFDR) records aircraft parameter data and stores it in crash-protected memory for future retrieval.
    • The central computer contains a Flight Data Processing System (FDPS). The FDPS receives data from sensors and avionics systems and supplies it to other systems. The FDPS also alerts the crew by producing warning tones when required.
    • The central warning system has two parts: caution and warning lights; take-off warning.
    • The caution and warning light system has two parts: caution and advisory lights.
    • The caution and warning lights signal system malfunctions and other conditions that require a corrective action. Advisory lights indicate malfunctions that require corrective actions and safe/normal operation.

    Recordes

    • The Solid State Flight Data Recorder (SSFDR) records aircraft parameter data and stores it in crash-protected memory.
    • The SSFDR can record up to 25 hours of aircraft parameters and clock data.
    • The SSFDR system receives data from integrated flight cabinet (IFC1).
    • The SSFDR receives data from aircraft systems at 128 words per second through an ARINC 717 data bus (with Modsum 4Q126473 or SB84-31-82 incorporation, it receives data at 512 words per second through an ARINC 717 data bus)

    Central Computer

    • The central computer has a Flight Data Processing System (FDPS).
    • The FDPS receives data from sensors and avionics systems, and is responsible for routing these parameters to other systems.
    • The FDPS produces different warning tones if an important system has malfunctioned or if the aircraft is in a dangerous condition.

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    ATA 31 - SEP 2024 De-Havilland DHC-8-400 PDF

    Description

    Test your knowledge on aircraft systems and instrumentation with this specialized quiz. Covering topics like flight data recorders and anti-collision light switches, this quiz is an essential resource for aviation enthusiasts and professionals alike. Answer questions on system operations, displays, and time management in aviation.

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