Limitations - Engines Flashcards
Engine Type
G.E. CF34-8E5
Engine Max and Min limitation color
Red
Engine caution color
Amber
Normal operating Range color
Green
Normal takeoff and go around Max ITT.
965 (2 min.)
949 (3 min.)
Max Takeoff and go around ITT.
(Automatically engaged in one engine inoperative or wind shear conditions with the thrust levers in the TOGA position.
1,006 (2min.)
990 (3min)
Max continuous ITT.
960
Engine starts ITT.
815
Max N1
100%
Max N2
100%
Max oil Temp
163* for 15 min.
Min and Max oil Pressure
Min- 25 PSI
Max- 95 PSI
Engine Starter limits
1st and 2nd start attempts:
3rd through 5th start attempts:
90 seconds on (ground) or 120 seconds on (flight).
Followed by 10 seconds off.
90 seconds on (ground) or 120 seconds on (flight).
Followed by 5 min. Off.
Dry motoring cycles.
1st cycle:
2nd through 5th:
90 seconds on (Max) followed by 5 min. Off
30 seconds on (Max) followed by 5 min. Off. After 5 sequential motoring a cycle may be repeated following a 15 min. Cool down period.
Reverse Thrust limits:
Ground use only. After applying thrust reverse, do not move the thrust levers back to the forward thrust range, unless the REV icon on the EICAS is shown in Amber or green. Do not attempt a go around after deployment of the thrust reversers.
