Max Takeoff: 64.5 psi

Max Continuous: 56.0 psi

Transient (at 104% N2):

-72.0 psi for 10 seconds

-80.0 psi for 3 seconds

Maximum takeoff: 793 C

Maximum continuous: 737 C

Maximum for start: 150 C

Transient limits:

Start and shutdown: 793 C to 927 C for up to 10 seconds, with a peak at 927 C for no more than 1 second

During flight: 793 C-843 C <= 6 seconds

Gas Producer (N1) Limits

(Max. continuous, idle, transient)

Maximum Continuous: 104%

Idle: 61-65% 

Transient:

104-106% for 15 seconds

Power Turbine (N2) speed limits

(Normal power and transient overspeed limits)

Normal power on operations: 103% to 104%

Transient overspeed limits: 15 seconds max- 113% at idle power varying linearly to 108% at 64.5 psi torque