A320 STRUCTURES EMPHASIS

What is the purpose of the underwater locator beacon on the DFDR?. To activate the DFDR. To provide the location of the recorder in water after an accident. To transmit data to the CFDIU. To control the power interlock circuit.

How long does the DFDR store data?. 24 hours. 48 hours. 25 hours. 72 hours.

What type of data frames are stored in the Quick Access Recorder (QAR)?. Identical to the DFDR data frames. Data frames with additional information. Video data frames. Audio data frames.

What is the purpose of the Data Loading Selector (DLS)?. To select the computer on which data will be loaded. To upload or download data. To stow data disks. To route data between the disk unit and target computer.

The Flight Data Interface and Management Unit (FDIMU) combines two functions: the Flight Data Interface Unit (FDIU) and the ____________. Data Management Unit (DMU). Quick Access Recorder (QAR). System Data Acquisition Concentrator (SDAC). Linear Accelerometer (LA).

The FDIU-part of the FDIMU converts, compares, and checks the input parameters for the Digital Flight Data Recorder (DFDR), optional Quick Access Recorder (QAR), and the Digital AIDS Recorder (DAR). This conversion process is crucial for data ____________. recording. transmission. storage. analysis.

The DFDR stores data for the last ____________ hours, with each data frame containing information from one second of flight. 24. 48. 25. 72.

The Quick Access Recorder (QAR) records the same data parameters as the DFDR but is primarily used for on-ground performance, maintenance, and condition monitoring tasks. It also includes Built-In Test Equipment (BITE) functions to ensure data ____________. accuracy. integrity. encryption. compression.

The LA generates an analog signal, which is then digitalized and sent to the FDIU-part through an ____________ bus. Ethernet. USB. ARINC 429. HDMI.

The Data Loading Selector (DLS) is responsible for selecting the ____________ on which data will be loaded during maintenance processes. computer. technician. disk drive. software.

The Multipurpose Disk Drive Unit (MDDU) is used to upload or download data, and it has a stowage box with a maximum capacity of ____________ data disks. 12. 24. 36. 42.

The FDIU-part of the FDIMU records data frames for the Digital Flight Data Recorder (DFDR), Quick Access Recorder (QAR), and Digital AIDS Recorder (DAR). True. False.

The DFDR stores data for up to 48 hours, with each data frame containing information from one second of flight. True. False.

The Quick Access Recorder (QAR) primarily records data for in-flight analysis and crash recording purposes. True. False.

The Linear Accelerometer (LA) measures acceleration in all three axes, with a range of measurement from -3 to +6 g in the vertical (Z) axis. True. False.

What controls the gear and door sequencing in the Airbus A320 family aircraft?. Landing Gear Control and Interface Units (LGCIU). Landing Gear. Gravity extension crank handle. ABCU.

When does the active LGCIU change in the extension/retraction system?. After each gear cycle. During a DOWN selection. When a failure occurs in the active LGCIU. When the LGCIUs are electrically segregated.

In what conditions is normal braking obtained?. With the parking brake OFF. When gear control lever is set to UP. Without green hydraulic pressure. With A/SKID switch OFF.

When is electrical control for normal braking obtained?. In flight when the gear control lever is set to UP. On the ground by the auto brake system. When the green hydraulic pressure is available. Through the pedals.

What system energizes the alternate brake system in the Airbus A320 family aircraft?. Green hydraulic system. Brake accumulator. Normal brake system. Parking Brake control switch.

When does the ABCU become active in the alternate brake system?. When normal brake system is defective. When the A/SKID & N/W STeeRinG switch is OFF. When the green system has low hydraulic pressure. When the BSCU is working properly.

What happens if there is a BSCU failure or low pressure in the hydraulic systems in relation to the anti-skid function?. The pilot must use the triple pressure indicator to control brake pressure. The ABCU sets a minimum limit of 1000 PSI for brake pressure. The anti-skid function is lost, and braking is unavailable. The A/SKID & N/W STeeRinG switch is disabled.

How many full brake pedal applications can be done with the accumulator pressure alone?. 3. 7. Unlimited. 5.

What are the limits for the N/WS angle controlled by the BSCU?. Rudder pedals: max 6 degrees; Hand wheels: max 74 degrees. Rudder pedals: max 10 degrees; Hand wheels: max 50 degrees. Rudder pedals: max 5 degrees; Hand wheels: max 80 degrees. Rudder pedals: max 8 degrees; Hand wheels: max 60 degrees.

What does the Brake Temperature Monitoring Unit (BTMU) transmit to the BSCU?. Brake temperature data. Hydraulic pressure. Brake pedal inputs. Brake accumulator pressure.

If a failure occurs in the active LGCIU, the __________ LGCIU becomes active. secondary. standby. duplicate. alternate.

Normal braking is obtained when: - The green hydraulic pressure is available, - The Anti/SKID and Nose/Wheel Steering control switch is in the __________ position, - The Parking Brake control switch is in the OFF position. ON. OFF. standby. alternate.

Electrical control is obtained: - Through the pedals, - Automatically on the ground by the auto brake system, - In flight when the gear control lever is set to __________ (in-flight braking). UP. DOWN. OFF. ON.

The alternate brake system is energized by the __________ hydraulic system. green. yellow. red. blue.

Under what conditions does the ABCU get automatically activated?. When the anti-skid is faulty. When the A/SKID switch is selected to OFF (BSCU OFF). When the BSCU is serviceable. When the pressure downstream the selector valve drops below a given threshold.

What functions can be controlled by the landing gear panel in the Airbus A320?. Brake accumulator pressure. Anti-skid and nose wheel steering. Parking brake electrical control. Tachometer readings.

How do the BSCU and ABCU receive inputs from the landing gear panel?. Wirelessly. Through hydraulic connections. Electrically. Pneumatically.

What information does the triple indicator provide in the Airbus A320?. Landing gear panel status. Brake accumulator supply pressure. Brake assembly version. Brake temperature readings.

When does the parking brake control valve override all other braking modes?. When the parking brake handle is closed. When normal braking is unavailable. When the pedals are depressed. When the pressure commanded by the pedal deflection exceeds the pressure delivered by the park brake system.

Which hydraulic system supplies the brake accumulator?. Normal hydraulic system. Yellow hydraulic system. Alternate hydraulic system. Green hydraulic system.

What is the primary function of the brake accumulator in the Airbus A320 braking system?. Control landing gear deployment. Supply pressure to the alternate brake system. Regulate brake temperature. Operate the parking brake.

The landing gear panel includes a toggle switch for anti-skid and nose wheel steering function inhibition. TRUE. FALSE.

The triple indicator provides pressure indication for the left and right brake units when PARKING BRAKE is set to ON. TRUE. FALSE.

Each main wheel of the Airbus A320 has pneumatic brakes. TRUE. FALSE.

The parking brake electrical control valve is manually operated by the pilot. TRUE. FALSE.

The brake accumulator is primarily supplied from the green hydraulic system. True. False.

What is the purpose of an ANNunciator LighT test?. To control the cockpit lighting. To control the cabin lighting. To test the aircraft engines. To operate the landing lights.

How are ANN LTs supplied with power in an emergency?. From AC1 supply. From AC2 supply. From 115 VAC STATic INVerter bus. From ESSential supply.

Where are ANN LT TEST AND INTERFACE BOARDS located?. In the cockpit. In the avionics compartment. In the passenger cabin. In the engine room.

How many relays supply the ANN LTs when the switch 33LP is in the TEST position?. 1 relay. 2 relays. 4 relays. 10 relays.

Where is the COCKPIT ANN LT SWITCH located?. In the avionics compartment. On the overhead control panel. In the cabin. 2000 VU Panel.

How are cabin lights controlled in the aircraft?. Through the Cabin Intercommunication Data System. Through the landing gear. Through the cockpit controls. Through the engine system.

What is the purpose of DEUs in controlling cabin lights?. To control the engine. To control the cockpit lights. To control the fluorescent lamps. To control the landing gear.

How many strobe lights are installed at each wingtip and tail cone?. One strobe light. Two strobe lights. Three strobe lights. Four strobe lights.

What does the "STROBE LT OFF" ECAM memo message indicate?. The strobe lights are malfunctioning. The strobe lights are on. The strobe lights are off. The strobe lights are dimming.

What triggers the NEOL indication on the strobe light assemblies?. A landing gear malfunction. The strobe lights are on. The strobe lights are off. The strobe lights are near the end of their useful life.

What is the purpose of wing and engine scan lights?. To signal to air traffic control. To illuminate the wings and engine air intake. To control the landing gear. To provide light for passengers.

The ANN LT TEST AND INTERFACE BOARDS are located in the passenger cabin. True. False.

The COCKPIT ANN LT SWITCH has only two positions: DIM and BRT. True. False.

DEUs control the cabin fluorescent lamps based on signals from the FAP. True. False.

The entry fluorescent lamps can be controlled with buttons on the Passengers Service Unit (PSU). True. False.

7. The passenger reading lights are adjustable to different brightness levels. True. False.

The NEOL indication on the wingtip light assemblies indicates that the lights are at the end of their useful life. True. False.

What is the composition of the ADIRS?. Three Air Data Inertial Reference Units (ADIRUs). Two Air Data Reference (ADR) units. Four Inertial Reference (IR) units. One Air Data Module (ADM).

2. How are ADIRUs interfaced with the Mode Selector Unit MSU?. Via AOA, TAT, and ADM inputs. Via PFDs, NDs, and ECAM SD. Via FACs, WXR system, and DDRMI. Via Air Traffic Control (ATC) system and ISA.

What are the inputs for the ADM?. One pressure input and several discrete inputs. Two pressure inputs and one discrete input. Multiple pressure inputs only. Single pressure input only.

4. What does the ADM output to the ADIRU?. ARINC bus with digital pressure information. Analog signal with temperature data. GPS coordinates and altitude information. Radio Magnetic Indicator (RMI) data.

5. How are gyros and accelerometers attached in a strapdown IRS?. Solidly attached to the aircraft structure. Attached to the wings of the aircraft. Suspended freely within the aircraft. Mounted on the cockpit dashboard.

6. What does the ring laser gyro measure?. Inertial rotation data. Magnetic field strength. Air temperature variations. GPS signal strength.

7. How do ring laser gyros measure rotation?. By detecting differences in laser beam frequencies. By analyzing magnetic field variations. By measuring changes in air pressure. By tracking GPS satellite positions.

8. What is the primary output of the ring laser gyros?. Analog rotation information. Digital altitude data. Magnetic heading information. Inertial velocity measurements.

9. What do the accelerometers in the ADIRUs provide?. Linear accelerations. Barometric altitude data. Air temperature variations. Aircraft ground speed.

10. How is the acceleration signal processed in the ADIRUs?. Sent to an analog/digital converter. Transmitted directly to the MMR units. Converted into GPS coordinates. Sent to the Weather Radar system.

11. . How is the ILS descent axis determined?. By the intersection of a Localizer and Glide Slope beam. By GPS coordinates. By analyzing air pressure variations. By the aircraft's altitude.

12. What is the primary function of the ILS (Instrument Landing System)?. Supply signals transmitted by ground stations. Provide GPS coordinates. Measure atmospheric corrections. Control air traffic in the vicinity of the airport.

13. How is a descent axis determined in the ILS?. By the intersection of a Localizer beam and Glide Slope beam. By analyzing the aircraft's altitude. By measuring magnetic field variations. By tracking GPS satellite positions.

14. What is the primary purpose of the GPS (Global Positioning System)?. Provide accurate navigation information. Control air traffic. Measure atmospheric pressure variations. Transmit signals to ILS ground stations.

15. How is the GPS spatial segment composed in terms of satellite arrangement?. 24 satellites in six separate orbital planes. 12 satellites in one orbital plane. 48 satellites in 12 orbital planes. 6 satellites in a single orbital plane.

16. Where are the Multi-mode Receivers (MMR) typically located on the aircraft?. In the forward avionics bay 90VU. In the cockpit dashboard. On the wings of the aircraft. In the upper fuselage near the GPS antennas.

17. What are the external sensors that provide inputs to the ADIRUs in the ADIRS system?. Angle Of Attack (AOA), Total Air Temperature (TAT), and Air Data Module (ADM). Static Air Temperature (SAT), International Standard Atmosphere (ISA), and Total Air Temperature (TAT). Static ports, Pitot probes, and AOA sensors. GPS coordinates, ground speed, and altitude.

18. What are the primary components of the WXR and PWS system?. Weather radar transceiver and weather antenna drive. Aircraft engines and landing gear. Avionics bay and ILS. Weather radar transmitter/receiver and dual weather radar control unit.

19. How is the weather radar image displayed on the navigation displays (NDs)?. Independently on the CAPT ND only. Independently on the F/O ND only. Independently on both CAPT and F/O NDs. Not displayed on NDs.

20. What precautions must be taken before using the Weather Radar (WXR) system on the ground in specific modes?. Ensure the aircraft is refueled within 100 m. Maintain a 1.5 m clearance from the antenna. Avoid metallic obstacles within 5 m arc of ± 90º. Operate the system in any weather conditions.

21. Why should the WINDSHEAR AUTO/OFF selector switch be selected OFF when not in use?. To conserve power. To avoid nuisance aural alerts. To improve ground surveillance. To enhance weather radar performance.

22. The PWS function detects the windshear event if measurable ____ occurs during the event. precipitation. turbulence. wind speed. disturbances.

23. The primary components of the WXR/PWS system include a weather radar transceiver, a dual weather radar control unit, a single weather antenna drive, a weather radar antenna, and a weather radar _____. transmitter/receiver. receiver. display unit. transmitter.

24. Special precautions must be taken before using the Weather Radar (WXR) system on the ground in MAP, WX, or WINDSHEAR mode. The dangerous zone forward of the aircraft must be free of metallic obstacles such as hangars or aircraft, within 5 m in an arc of + or - 90º on either side of the aircraft _____. direction. radar. nose. centerline.

Why is the crew oxygen system used?. To supply oxygen during normal flight. To supply oxygen during cabin pressurization loss. To supply oxygen during passenger emergencies. To supply oxygen to the cabin attendants.

How is the pressure of the oxygen cylinder indicated to the crew?. By a pressure regulator. By a direct-reading pressure gauge. By a pressure switch. By a low-pressure warning light.

Under what conditions do the passenger oxygen masks automatically deploy?. When the cabin altitude exceeds 14,000 feet. When the cabin altitude is below 10,000 feet. When a passenger pushes the MASK MANual ON button. When a crew member pushes the MASK MANual ON button.

What happens when the TiMeR RESET pushbutton is pushed in the passenger oxygen system?. The masks retract automatically. The electrical system is rearmed. The passenger address system is activated. The oxygen supply is shut off.

What initiates the chemical generation in the oxygen masks?. Pulling the mask towards the user's face. Pressing the oxygen supply button. Opening the container door. Pushing the ON white light.

How many Crew oxygen bottles the A320 Neo has?. 1. 3. 2. none.

What is the purpose of the tamper seal in the portable oxygen container?. To indicate the oxygen level. To indicate if the PBE is operational. To show if the container is properly sealed. To signal low oxygen pressure.

The oxygen system includes: the crew system, the passenger system & the portable system. the crew system, the passenger system & the ground system. the portable system. None all above.

The flight crew oxygen system is used if there is a loss of cabin pressurization or ____________ in the cockpit. Fire. Water. Smoke. smoke or dangerous gases.

The high-pressure portable cylinder includes continuous-flow type masks and supplies first aid oxygen to ____________. the passengers. the cargo hold,. the overhead bins,. the cabin attendants.

There are two types of chemical generators supplying oxygen for 15 minutes or 22 minutes. True. False.

The Portable Breathing Equipment (PBE) is designed to help crew members and cabin attendants extinguish fires by supplying oxygen. True. False.

The high-pressure portable cylinder supplies oxygen to passengers in case of an emergency. True. False.

The flight crew oxygen is supplied from a high-pressure oxygen cylinder at a pressure of 127.5 bar (1.850 psig). True. False.

The oxygen cylinder in the flight crew oxygen system is installed in a cradle with two quick-release clamps in the R/H avionics compartment. True. False.

Low-pressure safety outlets are part of the safety devices that protect the crew oxygen system. True. False.

What are the primary purposes of the pneumatic system on the Airbus A320?. Air conditioning and engine start. Fuel Tank Inerting System and pressurization. Anti-icing and ground power unit supply. All of the above.

When can high-pressure air be supplied to the pneumatic system from external ground sources?. Only during engine start. Only during anti-icing procedures. Both on the ground and in flight. Never.

Which engine compressor stages supply bleed air to the pneumatic system?. Only HP stage. Only IP stage. Both IP and HP stages. Neither IP nor HP stage.