Landing Gear Flashcards
Under normal conditions, which hydraulic system operates the landing gear?
Hydraulic System A
Which hydraulic system(s) can pressurize the parking brake?
Hydraulic System A & B. Brake accumulator
If the #1 engine fails, is the hydraulic capability of system A is greatly reduced? How is the gear raised at a
normal rate to maintain climb performance?
Yes, System B raises the gear via the LGTV
How can the gear be lowered without hydraulic pressure? Can it be raised without hydraulic pressure?
Yes via Manual Release, cannot be raised
When must RTO be selected? When is RTO braking available?
Aircraft on the ground, wheel speed less than 60 kts, Thrust Levers at to IDLE. Available > 90kts when
Thr levers at idle.
What could cause the ANTISKID INOP (amber) light to illuminate?
System fault is detected by the Antiskid Monitoring System or fault in the Parking Brake
What do the red and green position lights on the forward landing gear panel indicate?
Red transit or disagree, Green down/locked
What is the purpose of the aft overhead panel Supplemental Landing Gear indicator lights?
Independent system to confirm gear down/locked
Is the Alternate Brake system capable of applying auto brakes?
No
What protects the aircraft from loose tread or foreign object debris in the main wheel well during landing gear
retraction?
Frangible Fitting
. How is nose wheel steering powered?
Normal Hyd A, Alt Hyd B, weight on wheels
If normal and alternate brake pressure is lost, how is braking accomplished? Are there any limitations?
Accumulator pressure, 6 applications or 8 hrs of park brake
Describe how tires are protected from explosion during thermal expansion caused by hot brakes?
Fuse plugs
What does a Parking Brake Warning (red) light indicate?
Brake is on
