Landing Gear and Brakes Flashcards
There are how many Air/Ground sensors?
6
Two per landing gear strut
If there is a fault on the proximity switch electronic unit, how is the crew notified
On the ground only (inhibited from when the thrust levers are advance toward takeoff power until 30 seconds after landing)
The PSEU light on the aft overhead panel
When will the landing gear indicators illuminate red?
When the landing gear position disagrees with the handle position
When the landing gear is not down and locked, with either thrust lever at idle, and the aircraft is below 800 ft AGL
The landing gear warning horn cannot be silenced at any time with the flaps greater than ___ or below ____ ft RA and any gear is not down and locked
10 deg. below 200 ft RA
Hydraulic system ___ normally supplies pressure for gear retraction
System A
How are the wheel stopped during retraction?
Main gear - brake application
Nose gear - Snubber
If a landing gear tire is damaged during takeoff, how does the aircraft prevent damage to components in the wheel well?
During retraction the tire will contact a fitting in the wheel well opening, the fitting breaks and the hydraulic pressure is reduced in the landing gear retract line. The landing gear free falls back to the down position
The manual extension for the landing gear in the flight deck must be pulled out approximately ____ in. to initiate extension
24 in.
What other protection occurs if the Manual Extension Access Door is open?
The landing gear retraction function is disabled
Tiller Steering Angle?
Rudder pedal steering angle?
78 deg
7 deg.
If using the alternate brakes, what system is no longer available?
Autobrakes
(Antiskid is still available)
The hydraulic brake pressure accumulator is powered by which system
Hydraulic System B
How is the crew alerted to a fault in the anti-skid system?
The ANTI SKID INOP light illuminates
T/F: If the anti-skid system fails, the autobrake system is still operational
False
T/F: Anti-skid protection is available even with the loss of both hydraulic systems
True
The autobrakes disarm and the AUTO BRAKE DISARM light illuminates when:
SPEED BRAKE lever is moved to the down detent
Manual braking is applied
The RTO position is selected for landing
The AUTO BRAKE selector is moved to the OFF position
Malfunction exists in the system
Thrust levers are advanced (unless it occurs within 3 seconds after touchdown)
To arm RTO the following conditions must be met:
Aircraft on the ground
The wheel speed <60 kts
The thrust levers must be at idle
The system accomplishes a self test which is successful if the AUTO BRAKE DISARM light illuminates for two seconds then extinguishes
The RTO function only applies maximum braking if:
Thrust levers are retarded to idle at or above 90 kts
RTO is automatically disarmed when:
Aircraft is airborne
Autobraking application begins when:
Both thrust levers at idle
Main wheels spin up
Which provides more stopping power… MAX AUTO BRAKE or full pedal braking?
Full pedal braking
