Max continuous APU EGT
717°C
Max APU rotor speed
108%
After 5 dry motoring sequences how long must you wait?
15 minutes then repeat cycle
Max engine N1
99.5%
Max N2
99.4%
Min N2
58.5
Max APU EGT on start
1032°C
Max operating airspeed
- Up to 8,000ft - 300 KIAS
- 8,000ft to 10,000ft - 300 to 320 KIAS
- 10,000ft to FL290 - 320 KIAS
- FL290 to FL410 - .82
What kind of APU do we have
Sundstrand APS 2300
What does the bleed air detection observe?
- Engine bleeds and packs
- APU bleed
- Plumbing for wing and engine anti-ice system
What cools the pre-cooler?
- Ground N1 fan
* Flight N1 fan or ram air
What keeps the E-Bays cool?
- FWD & CTR - 3 fans
* AFT - natural air flow
Bleed system priority in flight
- Onside engine
- Opposite side engine
- APU if available
If engine and APU bleed air is available which has priority?
APU has priority if
•Aircraft on ground
•Wheel speed less than 50 kts
•Opposite engine bleed pressure is not enough for engine start
When are ECS packs recovered?
TL not at max and
•Airplane is 500 AFE with both engines
•Airplane is greater than 9,700 MSL with one engine
Describe the N1 spool
- Single stage fan
* 4 stage HP turbine
Describe the N2 spool
- 10 stage compressor
* 2 stage HP turbine
What is the cyan line on the N1 gauge?
- Minimum N1 for bleed requirements in icing
* Configured for landing below 1,200 feet RA with anti-ice on
What engine thrust may only be used for 10 minutes?
- TO-1
- TO-RSV
- GA
- GA-RSV
When will ground spoilers deploy
- Weight on wheels
- Wheel speed greater than 45 kts
- Thrust levers below 26°
When will ground spoilers retract
- Wheel speed below 45 kts for 5 seconds
* Thrust levers beyond 35°
Will the multifunction spoilers function in direct mode
Yes, for roll only at a fixed gain
