Card - Engine Operating Limits

Question 1

Max Takeoff thrust time limit

Takeoff

Continuous

Starting

Answer 1

5 min

Continuous

Question 2

Max Itt

Takeoff

Continuous

Starting

Answer 2

All

B - 890C
C - 910C

Question 3

Max N2

Takeoff

Continuous

Starting

Answer 3

All

100%

Question 4

Max N1

Takeoff

Continuous

Starting

Answer 4

ALL

101.5%

Question 5

Oil Pressure

Takeoff

Continuous

Starting

Answer 5

ALL

38 - 46

Question 6

Oil Temp

Takeoff

Continuous

Starting

Answer 6

30 - 127

30 - 140

ISA + 37C / -54C

Question 7

Continuous engine ground static operation up to and including ______ minutes at takeoff thrust, not to exceed limits of Figure 2-7, Ambient Temp Limits

Answer 7

5

Question 8

Max oil Temp up to 30,000 ft
Max oil Temp abv 30,000 ft

Max Engine oil Transient Temperature

Answer 8

127 C

140C

149 C (2 min)

Question 9

idle engine oil pressure of ____ to _____ PSIG may occur during ground and flight

Answer 9

25 - 38 PSIG

Question 10

During Cold Starts, oil pressure transients up to ______ PSIG for ____ minutes are allowed

Answer 10

55 PSIG

3 minutes

Question 11

If max ITT is exceeded during start or flight refer to _________

Answer 11

AFM Engine Op Limits