49 Questions
Landing gear can be extended by:
Green system or mechanical gravity extension
The braking modes are:
Green or yellow with anti-skid, yellow without anti-skid, parking brake
The anti-skid and nose wheel switch is set to off:
Anti-skid and nose wheel steering are deactivated
Landing Gear position is indicated by:
One panel on center instrument panel & ECAM
When auto brake operates, it can be disarmed by:
Pressing the push button or losing an arming condition, or by depressing one pedal enough when auto brake is operating in MAX, MED or LO, or by ground spoilers retraction
Maximum speed for landing gear retraction is:
220 kts
The nose wheel steering is powered by:
The green hydraulic system
Nose wheel steering is available when:
Nose gear doors closed
Nose wheel steering is controlled by:
BSCU
When is pressure in the nose wheel steering system shut off:
With towing lever in towing position or both engines are shut down or the A/SKID & N/W STRG switch is OFF
The hand wheels in the cockpit provide a wheel steering angle of:
75 deg
When both hand wheels are operated simultaneously, the signals:
Are algebraically added
Nose wheel steering by rudder pedals is limited to:
Max +/- 6 deg depending on aircraft speed
Hand wheel and pedals are operated simultaneously:
BSCU transforms these orders into nose wheel steering angle (signals are mathematically added)
Nose wheel steering is available:
A/C speed below 70 kts, one engine (required to be) running, towing lever normal position, A/C on ground
Hydraulic pressure to the landing gear is supplied up to:
260 kts
After T/O the left main landing gear shock absorber is stuck in the compressed position (A/C on ground position):
The gear cannot be retracted, gear lever is blocked (interlock mechanism)
Is it possible (system wise) to lower the gear by gravity above 260 kts:
Yes
On the ‘Wheel’ SD page, landing gear position is indicated by 2 triangles for each gear. The landing gear can be confirmed downlocked:
Even if only 1 green triangle per gear strut is shown
During an approach you get master warning and ECAM; ‘Gear not down’ - the reason is:
L/G not down locked and flaps 3 or full and both RAD ALTs failed, or L/G not down locked, flaps at 3 and radio height lower than 750 ft
The brakes are actuated by two independent systems, pressurised by the:
Yellow and green hydraulic systems
The alternate brake system uses:
The yellow hydraulic system and the hydraulic accumulator
Brake pressure from the hydraulic accumulator only is available:
In alternate (without anti-skid)
The anti-skid system gets its reference speed from:
The BSCU from the horizontal acceleration furnished by ADIRU 1, 2 or 3
The principle of the anti-skid is:
Comparing wheel speed with aircraft reference speed
Following failure of all 3 ADIRS is anti-skid still available:
Yes
Green hydraulic system available, you find the A/Skid and N/W steering switch in the OFF position:
Braking is alternate, nosewheel steering is lost
Alternate braking using the yellow system, autobrake is:
Lost
Setting the parking brake to on:
Autobrake can be armed
Setting the parking brake to on:
Requires yellow hydraulic system or accumulator
Autobraking is initiated by:
Ground spoiler extension
With AUTO BRK MED selected for landing:
Pressure is applied to the brakes 2 seconds after the ground spoilers deploy
The brake and accumulator pressure gauge shows pressure:
From both yellow brake system and the brake accumulator
Max braking has been selected; take-off being aborted, engines in reverse, you have forgotten to arm the ground spoilers, is autobrake activated?
Yes, because spoilers will still deploy
The HOT light on the brake fan pushbutton illuminates when brake temperature reaches
300 ̊C
On the WHEEL page of the ECAM, autobrake is flashing green:
Autobrake is disengaged
On the WHEEL page of the ECAM, a green arc appears on one wheel indicator meaning the brake temperature is above:
100 ̊C
After lift-off, is the brakes hot warning on the ECAM still available:
Yes, gear down or up
On the ramp with APU running, park brake is set on, message on the ECAM memo shows park brake:
In green
After a landing gear gravity extension, is it possible to restore normal landing gear operation if green hydraulic pressure is available?
Yes
The landing gear indicator panel receives the information from micro switches and proximity detectors connected to:
LGCIU 1
The red arrow, near the landing gear lever illuminates when:
Landing gear is not down locked in approach configuration
Landing gear indicator panel UNLK light illuminates red if:
Gear is not locked in selected position
The max speed with landing gear extended (VLE) is:
280 kts / M.67
The max speed at which the landing gear may be extended is:
250 kts
Which ADIRS close the safety valve of the green hydraulic supply when speed is > 260 kts:
ADIRS 1 & 3
What is the maximum tire speed:
195 kts
Are there any visual gear downlock indicators?
No
How many turns are necessary to extend the landing gear by gravity using the handcrank?
Three turns clockwise
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