Ops Limits Flashcards
Max observed ITT, thrust at Takeoff
700 C
Max N2 on Takeoff
96
Max N1 on Takeoff
104
Oil pressure PSI on takeoff
60 to 83 psi
Oil temperature on takeoff
10 to 121 C
Maximum continuous observed ITT
680 C
Max continuous N1
104
Max continuous N2
96
Max continuous oil pressure psi
60 to 83 psi
Max continuous oil temperature
10 to 121 C
Idle time limit
Continuous
Idle max observed ITT
580
Minimum idle N2
52%
Minimum idle oil pressure
40
Idle oil temperature
-40 to 121 C
Starting Max observed for ITT?
550-600 4 sec
600-700 2 sec
700-720 1 sec
Minimum starting oil temperature
-40 C
Transient Max ITT
720 2sec max
Transient N1
106
Max transient oil pressure psi?
95 psi for 90 seconds
On ground starts, what should ITT not exceed?
550 C
When does time limit start
When the throttles first advanced for takeoff thrust
Under cold starting conditions, what should oil pressure be between and for how long?
83-95 psi, limited to 90 seconds.
Max continuous time limit
Continuous
What is Normal Flight Normal Oil Pressure?
60 to 83 psi above 60% N2
Oil pressure is considered undesirable below what psi? Below what psi does it become unsafe?
60 and 40 PSI respectively
Time limit takeoff
5 minutes
Transient N2
96
Max transient Oil temperature
135 C MAX for 15 MIN MAX
