Landing Gear Flashcards
Which hyd system powers the LDG gear
Green
Above what speed is LDG gear hydraulic supply cut off
260
When do the two landing gear computers switch (LGCIUs)
On a gear extension
Which hyd system controls normal braking
Green
Which hyd system controls altn breaking and nws plus parking brake and brake accumulator
Yellow
What computer is the LDG gear indicator panel connected to
What computer is each LDG gear triangle connected to on the ECAM wheel page
LGCIU 1
Each half is one lgciu
Limitations:
LDG gear retraction
LDG gear extension
LDG gear extended
LDG gear max alt
220
250
280 .67
25,000
Max speed where hand wheel or rudder pedals will move the nosewheel
Hand wheel 80kts
Rudder pedals 130kts
Max steering deflection of nosewheeel with hand wheel and rudder
Hand wheel 75 degrees
Rudder 6 degrees
What are the 3 failed brake scenarios
Alt brakes with anti skid
Altn brakes without anti skid
Altn brakes without anti skid and only accumulator
How many full brake applications should you get on the accumulator
7
For how many hours should the accumulator hold the parking brake
12
When does the decel light come on in the auto brake buttons
When will it normally not come on
When the deceleration is 80% of rated
On contaminated runways
When is there a green arc above a LDG gear wheel
When does it turn amber
Above the hottest wheel when temp is above 100
Above 300 (max takeoff temp)
If you lose LGCIU 1 or 2. What seemingly unrelated systems will also not work
- Gpws and rev 1
- Rev 2