Landing Gear Flashcards by Robert Savu

Q 01: Which hydraulic system(s) supply pressure to the landing gear system?
A: Green
B: Blue
C: Yellow and Blue 
D: Green and Blue.

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Q 02: The braking modes are:
A: Green with anti-skid, Yellow without anti-skid, Parking brake.
B: Green or Yellow with anti-skid, Yellow without anti-skid, parking brake
C: Green with or without anti-skid, Blue without anti-skid

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Q 03: If the brake system automatically transitions to alternate brakes with the A/SKID & N/W STRG switch in the ON position, which of the following will be available?
A: Auto brakes and anti-skid.
B: Only auto brakes.
C: Brakes, auto brakes, anti-skid. 
D: Anti-skid.

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Q 04: What is indicated by the autobrake DECEL lights?
A: Airplane deceleration is 25% of selected rate.
B: Airplane deceleration is 50% of selected rate.
C: Airplane deceleration is 100% of selected rate.
D: Airplane deceleration is 80% of selected rate.

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Q 05: On the E/WD, you notice the NW STRG DISC memo. What does it mean?
A: The nose wheel steering has been disconnected by ground personnel.
B: A failure in the nose wheel steering system has been detected.
C: There is a discrepancy between the two nose wheel steering handwheel positions
D: The nose wheel steering computer has finished its self test.

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Q 06: During pushback, you start engine #2. You observe the NW STRG DISC memo has changed to amber. Why?
A: The NW STRG disconnect mechanism has failed.
B: The yellow hydraulic system is now pressurized and the amber caption is a warning not to move the handwheel C: The nose wheel steering is being reconnected by ground personnel. It is amber because the pin is removed.
D: The memo has become amber because one engine is running.

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Q 07: Landing Gear position is indicated by:
A: One panel on center instrument panel, one panel on overhead panel
B: ECAM only
C: One panel on center instrument panel and ECAM
D: One panel on center instrument panel, ECAM, visual means on the wing.

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Q 08: If the landing gear was gravity extended using the hand crank on the center pedestal, landing gear position must be verified through:
A: The landing gear viewers.
B: The landing gear indications depicted on the ECAM and, if available, the center panel LDG GEAR indicator panel lights.
C: Both are correct.

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Q 09: Landing gear operation is inhibited at speeds: 
A: Below 100 knots.
B: Above 260 knots +/- 5 knots.
C: below 100 knots and above 260 knots.
D: Above 250 knots.

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Q 10: Can the gear be extended above 260 kts if necessary?
A: Never.
B: Yes, but only manually
C: Yes, but the ultimate limit is 285 kt CAS

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Q 11: How can the brake accumulator be re-pressurized?
A: With the yellow electric hydraulic pump.
B: With the blue electric hydraulic pump.
C: Both are correct.

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Q 12: You are ready to taxi. You apply the toe brakes on the rudder pedals and release the PARK BRK. The BRAKES pressure falls to zero. What should you do?
A: This should not happen and you must assume that the BRAKES pressure indicator has failed.
B: Nothing as this is normal. The BRAKES pressure indicator only indicates alternate (yellow) brake pressure.
C: You must re-apply the PARK BRK and call for maintenance personnel as the main system pressure has failed. D: The indication is normal because once the AUTO BRK is set to MAX the BRAKES indicator is by-passed.

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Q 13: Which hydraulic system supplies pressure to the nose wheel steering?
A: Green
B: Blue
C: Green and Blue.
D: Yellow.

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Q 14: The antiskid deactivates when ground speed is less than \_\_\_\_\_\_.
 A: 10 kts.
B: 20 kts.
C: 25 kts.
D: 30 kts.

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Q 15: If the BSCU detects a brake system malfunction in flight with the A/SKID & N/W STRG switch in the ON position:
A: The crew will be notified with an ECAM message after touchdown if the brake system does malfunction.
B: The crew will be notified with an ECAM message.
C: The crew must manually select alternate brakes.
D: All of the above.

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Q 16: What is required to arm the auto brakes?
A: Green hydraulic pressure available, anti-skid, no failures in the braking system.
B: Landing gear lever selected down and selection of an autobraking rate. C: Both are correct.

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Q 17: What does each turn of the gravity gear extension handle do?
A: Open gear doors, unlock gear, drop gear.
B: Open gear doors, drop gear, shut doors.
C: Shutoff hydraulic pressure, open doors, unlock gear.
D: Open gear doors, shutoffs hydraulics, unlock gear, drop gear.

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Q 18: How many turns are required on the gravity extension hand crank to extend the landing gear? 
A: 2
B: 3
C: 5
D: 6

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Q 19: How do you manually extend the landing gear?
A: Lift the red handle and turn anticlockwise 4 turns.
B: Lift the red handle and turn anticlockwise a minimum of 2 turns. C: Lift the red handle and turn clockwise a minimum of 4 turns.
D: Lift the red handle and turn clockwise by 3 turns.

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Q 20: Auto brake may be armed with the parking brake on.
A: True.
B: False.

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Q 21: Can normal landing gear operation be restored after a gravity extension if green hydraulic pressure is available?
A: Restoration is always possible.
B: It may be possible if the gravity extension was not caused by a failure of the landing gear mechanism.
C: No, only maintenance can restore normal operation

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Q 22: When the landing gear is gravity extended, will nose wheel steering be available?
A: Only if the A/SKID & N/W STRG switch is selected ON.
B: No
C: Limited nose wheel steering is available only through the captain’s rudder pedals.

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Q 23: Auto brakes, if selected, will only be activated by: 
A: The wheels spinning up.
B: The struts being compressed.
C: The brake pedals being depressed.
D: The ground spoiler extension command.

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Q 24: There are two triangles for each gear on the ECAM WHEEL page. What do they represent?
A: Each triangle represents one wheel on the gear.
B: Each triangle represents the position detected by one of the two computers systems.
C: Each triangle represents one of the braking systems available for that gear.
D: The front triangle indicates the position of that gear and the back triangle indicates the status of the brakes for that gear.

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Q 25: What system pressure does the ACCU PRESS and BRAKES pressure indicator indicate? A: Yellow brake accumulator and yellow brake system pressure to the left and right brakes. B: Yellow brake accumulator and green brake system pressure to the left and right brakes. C: Yellow brake accumulator and green or yellow brake system pressure to the left and right brakes. D: Blue brake accumulator and green brake system pressure to the left and right brakes.

``` Q 26: The normal brake system uses _____ hydraulic pressure and the alternate brake system uses _____ hydraulic pressure backed up by the hydraulic brake accumulator A: Green – Blue B: Yellow – Blue C: Yellow – Green D: Green - Yellow. ```

Q 27: Wheel page of ECAM: if you see a green arc shown over a wheel indication: A: It marks the hottest brake with a temperature of more than 100°C. B: It indicates an abnormal high temperature. C: The A/SKID system is automatically releasing the pressure of that brake. D: The L/G control system has detected a low tire profile

Q 28: Nose wheels and main wheels have fusible plugs that prevent the tires from bursting if they overheat. A: True. B: False.

Q 29: With the A/SKID & N/W STRG switch in the ON position, if the BSCU detects a brake system malfunction and/or normal braking is not available A: The crew will be notified with an ECAM message only if after touchdown the brake system does actually malfunction. B: Transition to the alternate brake system is automatic.

Q 30: You have just set the parking brake handle to ON. Is it still possible to check the main brake system using the toe brakes? A: Yes. As soon as you press the brake pedals the BRAKES indicator will read main system pressure. B: No. It is not possible to press hard enough to obtain an accurate reading. C: No. When the PARK BRK is set, the other braking modes are deactivated.

Q 31: If the accumulator on the alternate brake system is your only source pressure, which of the following will be available? A: Auto brakes and antiskid. B: Antiskid. C: Seven applications of the brake pedals. D: Three applications of the brake pedals

Q 32: The gear doors remain open after a manual extension. A: True. B: False.

``` Q 33: The steering handwheels, which are interconnected, can steer the nose wheel up to _____ in either direction. A: 55°. B: 65° C: 75° D: 90° ```

``` Q 34: The green DECEL light on the autobrake pushbutton illuminates when the actual airplane deceleration corresponds to what percentage of the selected rate? A: 80% B: 90% C: 92% D: 95% ```

Q 35: Each main wheel has an antiskid brake. A: True. B: False.

``` Q 36: The parking brake accumulator is designed to maintain the parking pressure for at least ______. A: 6 hours. B: 12 hours. C: 18 hours. D: 24 hours. ```

Q 37: The autobrake will arm if at least one ADIRS is functioning A: True. B: False.

Q 38: What happens to the other brake modes when parking brakes are applied? A: There is no change. B: All other braking modes and antiskid are deactivated. C: Antiskid mode only is deactivated.

``` Q 39: Maximum speed for landing gear retraction is: A: 200 kts B: 220 kts C: 235 kts D: 250 kts ```

Q 40: Nose wheel steering is available when: A: Gear doors open B: All gear doors closed C: The Push button on either steering hand wheel is depressed D: Nose gear doors closed

``` Q 41: Nose wheel steering is controlled by: A: LGCIU 1. B: BSCU C: LGCIU 2 D: LGCIU 1 or 2 ```

Q 42: When is pressure in the nose wheel steering system shut off? A: With towing lever in towing position or both engines are shut down or the A/SKID & N/W STRG switch is OFF B: During ground towing with one engine shut down or when aircraft speed is >60 kts C: When the aircraft is on the ground with speed above 100 kts

Q 43: Hand wheel and pedals are operated simultaneously: A: Hand wheel has priority B: Pedals have priority (depending on speed) C: BSCU transforms these orders into nose wheel steering angle (signals are mathematically added) D: Hand wheel input will not be affected by pedals.

Q 44: Nose wheel steering by rudder pedals is limited to: A: +/- 6 degrees under all conditions B: +/- 75 degrees C: +/- 90 degrees D: Maximum +/- 6 degrees depending on aircraft speed

Q 45: When both hand wheels are operated simultaneously, the signals: A: From the first pilot acting on his hand wheel have priority B: Coming from the captain have priority C: Are algebraically added D: From the F/O have priority

Q 46: Nose wheel steering is available: A: Aircraft speed below 70 kts, both engines (required to be) running, Towing lever in normal position, aircraft on ground. B: Aircraft speed below 70 kts, both engines (required to be) running, Towing lever in normal position, aircraft on ground or in the air C: Aircraft speed below 70 kts, one engine (required to be) running, Towing lever in normal position, aircraft on ground. D: Aircraft speed below 70 kts, both engines (required to be) running), Towing lever in standby position, aircraft on ground

Q 47: After T/O the left main landing gear shock absorber is stuck in the compressed position. A: The gear can be retracted under all circumstances B: The gear cab be retracted provided the nose gear is centered C: The gear cannot be retracted; gear lever is blocked (interlock mechanism) D: The gear can be retracted once the nose wheel steering is centered

Q 48: Is it possible (system wise) to lower the gear by gravity above 260 kts? A: Yes B: No C: Yes, but only if green hydraulics available D: Yes, but only if yellow hydraulic available

``` Q 49: System page “Wheel”. L/G position indicators (triangles), first line shows green triangles, second line behind shows amber crosses. Is the landing gear down? A: Yes B: No C: Right hand gear only is down D: Left hand gear only is down. ```

Q 50: During the approach you get master warning and ECAM “Gear Not Down”. The reason is: A: Landing gear is not down locked and flaps 3 or full and both radio altimeters failed B: Landing gear is not down locked, flaps at 3 and radio height lower than 750 ft C: All of the above D: None of the above.

``` Q 51: The alternate brake system uses: A: The Yellow hydraulic system B: The hydraulic accumulator C: The Yellow hydraulic system and the hydraulic accumulator D: The Blue electric pump. ```

``` Q 52: The antiskid system gets its reference speed from: A: The ADIRS B: A wheel tachometer C: The LGCIU’s D: The BSCU’s ```

Q 53: The principle of the anti-skid is: A: Comparing the speed difference between the four wheels B: Comparing wheel speeds with aircraft reference speed C: Comparing wheel speeds between left and right landing gear D: Comparing left and right wheel speeds on the same landing gear.

``` Q 54: Following failure of all 3 ADIRS, is antiskid available? A: Yes B: No C: Only with Yellow hydraulics D: Only with Green hydraulics ```

Q 55: Alternate braking using the Yellow system. Autobrake is: A: Lost B: Still available with anti-skid C: Still available without anti-skid D: Still available provided Yellow system hydraulic pressure is available.

``` Q 56: Autobraking is initiated by: A: Reverse thrust selection B: Nose gear oleo compression C: Main gear oleo compression D: Ground spoilers extension ```

Q 57: The brake & Accumulator pressure gauge shows pressure from: A: The Yellow hydraulic system B: The Accumulator only C: The Green hydraulic system D: Both Yellow brake system and the Brake Accumulator

``` Q 58: The Hot light on the brake fan pushbutton illuminates when brake temperature reaches: A: 250 deg C B: 300 deg C C: 350 deg C D: 400 deg C ```

Q 59: Max braking has been selected. Takeoff being aborted, engines in reverse, you have forgotten to arm the ground spoilers. Is autobrake activated? A: No because spoilers will not deploy if not armed B: Yes, provided speed is less than 72 knots C: Yes, but only if Yellow hydraulic pressure is available D: Yes, because spoilers will still deploy

``` Q 60: On wheel page of ECAM, Autobrake is flashing green. What does it mean? A: Autobrake is disengaged B: Autobrake failure C: Anti-skid failure D: Autobrake in operation ```

``` Q 61: On the ramp with APU running, park brake is set on, message on ECAM memo shows Park Brake. A: In Green B: In Yellow C: In White D: In White or Yellow ```

``` Q 62: The landing gear indicator panel receives the information from micro switches and proximity detectors connected to: A: BSCU B: LGCIU 2 C: LGCIU 1 D: BSCU and LGCIU 2 ```

Q 63: The red arrow, near the landing gear lever illuminates when: A: Landing gear is not up locked after retraction B: Landing gear is in abnormal position C: Landing gear is in transit D: Landing gear is not down locked in approach configuration

Q 64: Landing gear indicator panel UNLK light illuminates red if A: Gear is extended by gravity and doors are not closed B: Gear is extended normally and doors are not closed C: Gear is not locked in selected position D: Gear is not selected down by 1,000 ft RA.

``` Q 65: The maximum speed with landing gear extended (VLE) is: A: 260 kts / M.65 B: 280 kts / M.67 C: 300 kts / M.70 D: 320 kts / M.72 ```

``` Q 66: Which ADIRS close the safety valve of the green hydraulic supply when speed is > 260 kts. A: ADIRS 1 & 2 B: ADIRS 1 & 3 C: ADIRS 2 & 3 D: ADDIRS 2 or 3 ```

``` Q 67: What is the maximum tyre speed? A: 185 kts B: 195 kts C: 205 kts D: 225 kts ```