Operating Limits - Engine

Question 1

Maximum Torque

Answer 1

Takeoff/Max: 100%

Transient: 132% (20 Seconds)

Torque Above: 102% Indicative of Sys. Malfunction

Question 2

Maximum ITT

Answer 2

Idle: 750°C

Takeoff/Max: 820° C

Transient: 821 to 870°C (20 Seconds)

Question 3

N1

Answer 3

Idle: 60 to 61% Ground, 67% (Min) Flight

Question 4

Np

Answer 4

Idle: 46 to 50%

Takeoff/Max: 100%, (100% ± 2% PMU Off)

Avoid stabilized ground ops from: 62 to 80% Np

Question 5

Oil Pressure

Answer 5

Takeoff/Max: 90 to 120 PSI

Aerobatics/Spins: 40 to 130 PSI

Aerobatics/Spins (Idle): 15 to 40 PSI (5 Seconds)

Question 6

Oil Temperature

Answer 6

Takeoff/Max: 10 to 105° C

Transient: 106 to 110° C (10 Minutes)

Question 7

Maximum Fuel Flow

Answer 7

All phases of flight: 799 PPH