Engines Flashcards
Max N2
105%
Max N2 to operate before next landing
105.1% - 106% (Must reduce to 105% max)
Max N1
102%
Max N1 to operate before next landing
102.1% - 105% (Must reduce to 102% max)
Max EGT up to 5 minutes
870C - 905C
Max EGT to operate before next landing
906C - 930C (Must reduce to 870*C max)
Max EGT
870*C
Max time in TRT
5 min
Max oil consumption per hour
3.2 pints
Oil tank capacity
36 pints
Normal Oil pressure
11-92 psi
Max Oil pressure fluctuation
10 psi
Max Oil temp limit for 10 min
160-175*C
Max Oil temp limit
160*C
Maximum starter duty cycle time
90 sec
Maximum number of starter operations
3
Min time between start attempts
60 sec
Min cool down time after third start attempt
5 min
Max thrust at sea level
22,000 lbs
The MEC meters fuel to govern
N2
The PMC trims the
MEC
Normal Fuel Flow during engine start BEFORE ignition
300-680 pph
Normal Fuel Flow during engine start AFTER ignition
900 pph
EGT caution light comes on at
870*C +-2
Maximum starter motoring time
5 min
Starter cut-out N2
43-45% N2
During start move throttle to start at
25% N2 (20% if max motoring speed)
Turn starter off at
50% N2
During start move throttle to idle at
50% N2
During start if no EGT rise within _____, abort start
10 sec
During a cold wx start move starter switch to _____ instead of _____.
Ignition, Off
Starter damage can occur if engine exceeds
63% N2
After start operate engine at _____ for _____ min prior to a higher thrust
idle, 2 min
After landing operate engines below _____ for at least ____ before shutdown.
45% N1, 3 min
Do NOT engage starter above
25% N2
When do engine oil low pressure lights turn on.
Below 12.5 psi +-0.5 and when filter is bypassed
