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Landing Gear & Brake
Landing Gear & Brakes Questions
Question | Answer |
---|---|
Red arrow on landing gear selector | the landing gear is not down and locked and-> -A/C is below 750RA with less than 75% N1 -A/C is below 750RA with Flaps 3 or full -Dual RA failure and Flaps 3 or full |
Autobrake DECEL light illuminate | when a/c deceleration rate at least 80% of selected rate |
Which computer controls braking sys | BSCU(normal), ABCU(abnormal) |
Which LGCUI is connected to gear indicator panel | LGCIU1, so the lights come on as long as it is electrically supplied. |
Various braking modes | normal braking; alt brk with anti-skid; alt brk without anti-skid; alt brk without anti-skid on accum; parking brk |
Conditions for arming AUTO BRK: | -Green pressure avail -Anti-skid electrically powered -No failure in brk system -At least one ADIRU avail |
At speeds below 72kts auto brk not function because ground spoilers will not deploy | yes |
When will auto brake activate | when the command for ground spoiler extension is detected |