Ops Limits Flashcards
APU: Started Duty Cycle
1 minute ON, 4 minutes OFF
APU: Normal RPM
98 to 105%
APU: Max continuous EGT
680° C
APU: Max EGT
≥ 710° C for 3 seconds
APU: Bleed air pressure
40 to 50 PSI
APU: Warm-up time before applying a bleed air load
1 minute
APU: Warm up time before applying a bleed air load (≤ -26° C)
4 minutes
Fuel System Pressure: Auxiliary
28 to 40 PSI
Fuel System Pressure: External
28 to 40 PSI
Fuel System Pressure: Main
15 to 24 / 28 to 40
Gross Weight Limits Taxi/Takeoff: Maximum Normal
164,000 lbs
Gross Weight Limits Taxi/Takeoff: Maximum Alternate
175,000 lbs
With our without external tanks, with or without refueling pods
Gross Weight Limits Landing and Sink Rate: Recommended
142,000 lbs / 540 ft/min
Gross Weight Limits Landing and Sink Rate: Maximum Normal
164,000 lbs / 300 ft/min
Gross Weight Limits Landing and Sink Rate: Maximum Alternate
175,000 lbs / 300ft/min
With or without external tanks; with our without refueling pods
Gross Weight Limits: Tanks No. 1 and No. 4
[For rates of sink from 300 to 500 FPM (with AR pods)]
7,323 lbs (each)
Gross Weight Limits: Main tanks total
[For rates of sink from 300 to 500 FPM (with AR pods)]
28,000 lbs
Gross Weight Limits: Auxiliary tanks
[For rates of sink from 300 to 500 FPM (with AR pods)]
No Restrictions
Gross Weight Limits: External tanks
[For rates of sink from 300 to 500 FPM (with AR pods)]
< 500 lbs (each)
Fuel Weight Limits for Taxi and Takeoff: No. 1/ No. 4
8,310 lbs
Fuel Weight Limits for Taxi and Takeoff: No. 2/ No. 3
7,660 lbs
Fuel Weight Limits for Taxi and Takeoff: Total Main Tanks
31,940 lbs
Fuel Weight Limits for Taxi and Takeoff: Left/Right Auxiliary
5,810 lbs
Fuel Weight Limits for Taxi and Takeoff: Total Internal
43,560 lbs
Fuel Weight Limits for Taxi and Takeoff: Left/Right External (if installed)
8,900 lbs
Fuel Weight Limits for Taxi and Takeoff: Total Internal and External
62,360 lbs
Fuel Unbalance Limits: Between tanks of symmetrical pair (main or external)
1,000 lbs
Fuel Unbalance Limits: Between the left and right wings
1,500 lbs
Fuel Unbalance Limits: One auxiliary tank full and the other auxiliary tank empty…
…provided all other tanks are symmetrically fueled or unbalanced toward the opposite side within fuel limits
Battery (Voltage): Utility & Avionics Batteries
< 22 VDC, prior to flight
Aerial Refueling System Limitations: High-Speed drought extension/retraction/AR operations
185-250 KIAS
Aerial Refueling System Limitations: Low-Speed drogue extension/retraction/AR operations
105-120 KIAS