Limits Flashcards
Maximum Altitude
41,000 feet MSL
Icing
1) Prolonged flight in icing conditions shall be avoided.
2) When airframe icing is visible, intentional stalls or use of full flaps is not authorized.
MAX N2 RPM (%) (MRT, Transient/accel, max continuous, idle)
MRT - 104 (30 min/flight hour)
Trans/Accel - 106 (less than 20 seconds)
Max Cont - 100
Idle - 55 ±2
MAX EGT (°C) (MRT, Transient/accel, max continuous, idle, gnd start, airstart)
MRT - 610 (30 min/flight hour)
Trans/Accel - 645 (less than 20 seconds)
Max Cont - 550
Idle - 450
Gnd start - 550 (Max overshoot of 20 °C for 10 seconds)
Airstart - 600 (Max overshoot of 50 °C for 10 seconds)
MRT - time limit
30 min/flight hour
Transient/Acceleration
Less than 20 seconds
Throttle shall be at idle for:
a. Abrupt (0.5 seconds or less from neutral to full back stick) pulls to full back stick.
b. Abrupt full lateral stick inputs at full back stick.
c. Airspeeds less than 85 KIAS at altitudes above 15,000 feet MSL.
Slow throttle movements for:
85 to 150 KIAS above 35,000 feet MSL
How long shall engine be stabilized at idle prior to shutdown?
30 seconds
What power setting and altitude may result in a sub-idle condition leading to engine flameout?
At less than 70% N2 above 30,000 feet MSL
What kind of starts are prohibited with manual fuel control?
Ground starts
Maximum N2 rpm limitations with manual fuel control selected
a. N2 90% at altitudes greater than 20,000 feet MSL.
b. N2 95% at altitudes less than or equal to 20,000 feet
MSL.
What throttle position is engine start prohibited for?
Above the ground idle detent
Minimum N2 rpm required for engine start
15%
When must engine light-off occur after moving the throttle to idle
Within 15 seconds
Minimum battery voltage for starting
24V for each battery
Start cycle limitation
3 minute interval between GTS start attempts.
No more than three successive engine start attempts may be performed.
Following the third start attempt, a 30 minute cool down period must be observed before attempting another engine start.
Is a GTS start permitted with external power
No
Are additional GTS start attempts after an unsuccessful GTS start attempt permitted?
No, not until the GTS exhaust duct, combustor section are inspected and any residual fuel is removed and the RAT doors are inspected for discoloration and warpage
OAT limitation to avoid freezing fuel
-40 degrees C