Flashcards in Landing Gear & Brakes Deck (29)
The extension, retraction, steering, and braking functions are ________ assisted, ____________ controlled, and ___________ monitored.
Landing gear retraction and extension are powered by the _______ hydraulic system.
If the #1 engine fails the landing gear must be lowered using the _______ ________ ________ _________.
normal landing gear handle
If the #1 hydraulic system fails, the landing gear must be lowered using the _______ ______ _______
Free Fall System
Landing gear position indication is found primarily on the ______ but can also be viewed on either ________
In the event of normal extension failure, the ________ over-ride serves as the primary extension backup, and the ________ system serves as a secondary backup.
The landing gear uses ____ proximity switches to detect when the landing gear are compressed.
The nose landing gear weight on wheel signal provides feedback for ______ ______ ______ and thrust _________ __________ _______ ______
Nose Wheel Steering
Reverser Acceleration Above Idle
When the landing gear is fully retracted, the nose landing gear doors are kept closed through ______________
If any gear uplock is found in the up position during a preflight walk-around, the uplock can be reset by activating the landing gear _______ _______ _______
Free Fall Lever
Landing gear in transit is indicated when the display box on the EICAS is cross-hatched in ________ and _______
Landing gear lever disagreement (landing gear is not in the selected position after 20 seconds) is indicated when a display changes from its pervious color to ________ and _______.
Pulling the landing gear free fall lever ___________ the landing gear hydraulic line and ___________ releases all the gear uplocks
If the landing gear is not locked down during the landing preparation, the landing gear ________ message is generated if teh flap selector lever is set below ______ degrees, radio altitude is below __________ feet, one thrust lever is set below 45º (or the associated engine is inoperative), and the other thrust lever is set below 59 degrees.
The ________ receives signals from the pedal position _________ and commands the ______ brake control valves to modulate required pressure to the wheel brakes
The BCU automatically applies brake pressure to the ______ gear wheels as soon as the aircraft is airborne and the gear is selected up.
The ________ gear tires are mechanically braked via stops located in the ________________
nose gear wheel well
The anti-skid system provides 3 things:
Locked wheel protection
The anti-skid function only __________ brake pressure.
Anti-skid is available at wheel speeds of _____ kts and above
locked wheel protection is available above __________ kts.
The purpose of _____________ protection is to prevent brake actuation before the main wheels spin up.
The Emergency / Park Brake is powered by the ____ Hyd system
The dedicated accumulator for the Emergency / Parking Brake system will allow for _____ complete emergency actuations or at least ______ hours of parking brake actuation.
No ________ protection is available when using the Emergency / Parking Brake
The nose wheel steering system is _________ controlled and _________ operated by the ______ hydraulic system.
The steering system can be manually disengaged through a _______ on the back side of either pilot's control wheel.
Indication of a disconnected steering system is indicated by a ____________ caution message on the EICAS.