Powerplant Limitations

Question 1

Dry motoring required if engine restarts are required between ___ and ___ minutes following an engine shutdown.

Answer 1

15 & 180

Question 2

(Dry Motor) Crank each engine to ___ or ___ seconds whichever comes first. Wait ___ minutes before starting the engine to allow engine to thermally normalize.

Answer 2

21% 15 & 3

Question 3

(Dry Motor) Procedure must be repeated if more than ___ minutes has elapsed since the dry crank was performed if still under the ___ minute timeframe.

Answer 3

40 & 180

Question 4

Maximum crosswind component for engine start:

Answer 4

20 kt

Question 5

Maximum tailwind component for engine start:

Answer 5

15 kt

Question 6

Abort engine start if light off does not occur within ___ seconds of start initiation.

Answer 6

30

Question 7

Abort engine start if no positive oil pressure by ___?

Answer 7

30% N2.

Question 8

Maximum ITT During Start:

Answer 8

N2 or at or below 40%: 650°C or
N2 above 40%: 950°C

Question 9

___ consecutive start/crank cycles, followed by cooling period of ___ minutes prior to additional starts and motoring.

Answer 9

3 & 15

Question 10

Max xwind component for engine start

Answer 10

20 kt

Question 11

Max tailwind component for engine start

Answer 11

15 kt

Question 12

Abort engine start if lightoff does not occur within ___ seconds of start initiation.

Answer 12

30

Question 13

Abort engine start if no positive oil pressure by ___

Answer 13

30% N2.

Question 14

Maximum ITT During Start:

Answer 14

N2 or at or below 40%: 650°C
N2 above 40%: 950°C

Question 15

____ consecutive start/crank cycles, followed by cooling period of ___ minutes prior to additional starts and motoring

Answer 15

3 & 15

Question 16

Engine motoring for a maximum of ___ minutes, followed by cooling period of ____ minutes prior to additional starts and motoring.

Answer 16

5 & 15

Question 17

N1 is limited to ____ if tailwind component is more than ___.

Answer 17

50% & 15kt

Question 18

Takeoff thrust is limited to ____ minutes with all engines operating (AEO)

Answer 18

5

Question 19

APR is limited to ___ minutes with an inoperative engine (OEI).

Answer 19

10

Question 20

Minimum fuel temperature at the fuel filter is ____

Answer 20

3°C

Question 21

Cancellation of reverse thrust should be initiated so as to be at the reverse idle position by ___

Answer 21

40 kt

Question 22

Use of thrust reverser(s) for reversing back ___

Answer 22

is not approved

Question 23

Before engine start: ____

Answer 23

– 40°C minimum

Question 24

For continuous operation above ground idle: ____

Answer 24

5°C minimum

Question 25

Operation above climb thrust: ____

Answer 25

15°C minimum.

Question 26

Steady state operation: ____

Answer 26

138°C maximum.

Question 27

Transient operation not to exceed 2 minutes: ____

Answer 27

154°C maximum.