C-17 by the numbers Flashcards
(103 cards)
___ engine starts are permitted without a cooling period
2
A ___ minute cooling period is required prior to the 3rd attempts
15
Subsequent attempts require a ___ minute cooling period
10
Maximum of ___ start attempts per hour, then a ___ hour cooling period is required.
5, 1
Motor the engine for ___ seconds to clear the engine following stop start or shutdown
30
If disengaged, the starter may be re-engaged below ___% N2 for clearing.
20
For a subsequent start, delay starter engagement for at least ___ seconds after N2 rotation has stopped.
40
When engine cooling is required, motor starter until EGT is less than ___ C.
190
The engine may be motored (fuel/ignition off) for a max of ___ minutes.
15
Other than the engine clearing procedures, if the engine is motored < ___ seconds, it will be considered one start attempt.
90
For duration > ___ seconds, the starter should be cooled ___ minutes for each ___ seconds of operation up to a max of ___ minutes.
90, 5, 30, 40
The N2 range for introducing fuel during engine start is ___ to ___%.
18, 24
The normal fuel flow for engine start is approximately ___ to ___ lbs/hr, but if you see ___ lbs/hr or greater the potential for hot start exists.
400, 500, 700
The min recommended air pressure for an APU start is ___ psi, crossbleed is ___ psi, and external air is ___ psi.
20, 25, 30
Starting the engine in IDLE REV is recommended for tailwinds exceeding ___ kts.
25
___ minutes of time is required between APU starter cycles, with a maximum of ___ start attempts per hour.
5, 3
The starter button should pop out at ___%, but if it doesn’t, pull it out by ___%
51, 55
The max engine EGT during the engine start sequence is ___ degrees celsius
495
An engine is stabilized when N1= ___% and N2= ___%
24 +- 3
60 +-5
The min engine oil temperature for takeoff is ___ degrees celsius
50
The normal operating engine oil quantity is ___ to ___ quarts, with a min oil quantity of ___ quarts.
4, 23, 4
The min oil pressure on the ground is ___ psi
70
The min oil pressure in flight is ___ psi
80
The max engine EGT for continuous engine operation (MCT/INT) is ___C, with operation above limited to ___ minutes
625, 5