Ops Limits Flashcards
APU starter duty cycle
1 minute on, 4 minutes off
APU normal RPM
98-105%
APU Max EGT (and max continuous EGT)
> = 710C for 3 sec (Max Cont: 680C)
APU Bleed Air Pressure
40-50 PSI
Warmup time before applying a bleed air load, normal (<= -26*C)
1 minute (4 minutes)
FUEL Aux Pump Pressures
28-40 PSI
FUEL External Pump Pressures
28-40 PSI
FUEL Main Tank Pump Pressures
Boost: 15-24 PSI; Transfer: 28-40 PSI
GROSS WEIGHT LIMITS: Taxi/Takeoff
Max Normal
Max Alternate
Max Normal: 164,000 lbs
Max Alternate: 175,000 lbs
Max Recommended Gross Weight (& Sink): Landing
142,000 lbs (540 ft/min)
Maximum Normal Gross Weight (& Sink): Landing
164,000 lbs (300 ft/min)
Maximum Alternate Gross Weight (& Sink): Landing
175,000 lbs (300 ft/min)
Gross Weight Limits: Tanks #1 & #4
7,323 lbs each
Gross Weight Limits: Main Tanks Total
28,000 lbs
Gross Weight Limits: Auxiliary Tanks
No Restrictions
Gross Weight Limits: External Tanks
< 500 lbs each
Fuel Limits Taxi & Takeoff: #1 and #4
8,310 lbs each
Fuel Limits Taxi & Takeoff: #2 and #3
7,660 lbs each
Fuel Limits Taxi & Takeoff: Total Main Tanks
31,940 lbs
Fuel Limits Taxi & Takeoff: L/R Aux
5,810 lbs each
Fuel Limits Taxi & Takeoff: Total Internal
43,560 lbs
Fuel Limits Taxi & Takeoff: L/R External (if installed)
8,900 lbs
Fuel Limits Taxi & Takeoff: TOTAL Internal & External
61,360 lbs
Fuel Unbalance Limits: Between Symmetrical Pair
1,000 lbs
Fuel Unbalance Limits: Between Left & Right Wings
1,500 lbs