Limitations Flashcards
Max starting altitude for APU
FL 370
Max gear extension/extended speed
300 KIAS/M.70
Max gear retraction speed
250 KIAS
Landing gear load limit at Max landing weight
600 FPM
Max landing gear load limit at Max Takeoff weight
360 FPM
Min brake pressure for at least 8 hrs parking time
2000 PSI
When should you never set the parking brake
When BRAKE OVERHEAT displayed on EAD
Which circuit breakers must never be reset?
Hydraulic Aux Pump, Fuel Pump, Fuel Quantity Indicating System, Lavatory Flush Monitor, Galley Power
Max fuel lateral imbalance
1500 lbs
Center fuel tank ballast fuel limitations (2)
- Ballast fuel not required to complete the flight
2. Zero fuel weight and CG includes the weight of the ballast fuel.
Fuel density range limitation
6.3 to 7.1 lbs/gal
Max fuel temperature
54°C
Jet A minimum fuel temperature
-40°C
If main wing fuel tanks are full, how can you get to max ramp weight?
Fuel may be added to the center fuel tank
If main wing tanks are NOT full, can we fill the center fuel tank?
Yes, but only if the ZFW and CG plus the weight of the center fuel tank do not exceed MaxZFW (100,500 lbs) and CG limitations
How to burn center tank fuel?
Center tank shall be emptied first. If center tank being used for ballast, burn center first to the ballast value, then burn main wing tanks.
Rudder hydraulic power limitation
Must be on for takeoff
RUDDER POWER OFF airspeed limitation
144 KIAS
Speed brake - flaps limitation
Speed brakes must not be used w/flaps extended beyond 20°
What should you never do with spoiler/speedbrake lever in flight?
Never move it to ground spoiler position in flight.
Max airspeed
340 KIAS up to FL260
MMO = .82 up to FL370
Max slat extend speed
M .57 / 280 KIAS
Takeoff configuration limitation - flaps/slats
Slats must be extended for takeoff. Flaps must be set no less than 5°
Max flap speeds
0-10° - 280 KIAS/M.57
10.1-20° - 240 KIAS/M.57
25° - 220 KIAS/M.57
40° - 200 KIAS/M.57
Max tire speed
195 KIAS
Time limit for Takeoff Thrust
5 minutes (10 minutes if engine failed or go-around)
Max TGT @ Max Continuous Thrust
Amber Line
Normal engine oil pressure
45 psi and greater
Engine Starter Duty Cycle
3 minutes - 15 seconds
3 minutes - 15 seconds
3 minutes - 15 minutes
Time limit for Go-Around Thrust
None
APU starter motor duty cycle
3 consecutive, then wait 30 minutes (wait until APU parameters on Secondary Engine synoptic are no longer displayed before another start attempt)
APU air limitation
Must be OFF for takeoff and inflight ops
Max latitude for IRS ground alignment
78.25°N - 60°S
Latitude restriction for IRS only navigation
North of 80°N or South of 60°S
Flight director wind shear guidance
Prohibited with one engine inoperative
PROF mode restrictions on approaches
Use is prohibited below MDA or DA
ILS approach with inop glideslope: FMS PROF mode & Vertical Descent Indicator (VDI) limitation
VDI must not be used for descent after the FAF
RNP value for GPS approaches
0.3
Speed limit with inoperative Mach Trim
M .78
Minimum altitude for autopilot use on instrument approaches
Minimums minus 50 ft
Auto coupled ILS restriction
Disconnect A/P if STAB OUT OF TRIM alert is displayed for more than 3 seconds after aircraft is stabilized and tracking the glide slope
Lowest altitude to engage autopilot
200 ft AGL (HAL restriction is 500 AGL)
Max operating temperature at Sea Level
50°C
Minimum operating temperature at Sea Level
-54°C
FLOW switch limitation
If AIR CONDITIONING is on for takeoff, then FLOW switch must be in NORM position
Manual mode cabin pressurization limitation
Takeoff and land UNpressurized
Max emergency relief pressure
8.2 psi
Max cabin differential pressure
7.8 psi
Cracked CAPT, center, or FO windshield - speed limits below 10,000ft
Outer glass- under 315 KIAS
Inner glass- under 235 KIAS
Limitation when windshield heat is inop?
Do not exceed 315 KIAS below 10,000 ft
Cracked window limitation
Do not use windshield anti-ice or anti-fog
Max certified altitude
FL 370
Engine Takeoff Wind limitation
Engine Crosswind limit is 40 kts (can taxi but limited to 50% N1)
Max tailwind for takeoff and landing
10 kts
Runway slope limitations for takeoff and landing
+1.7% to -2.0%
Maneuvering load factor limit — flaps/slats retracted
+2.5 g to -1.0 g
Maneuvering load factor limit — flaps and slats extended
+2.0 g to 0 g
Maneuvering load factor limit — flaps retracted and slats extended
+2.0 g to 0 g
Max ramp/taxi weight
115,000 lbs
119,000 lbs (488, 489, 490)
Max takeoff weight
114,000 lbs
118,000 lbs (488, 489, 490)
Max landing weight
110,000 lbs
Max zero fuel weight
100,500 lbs
Emergency lights limitation
Must be armed for all flight operations
Wing landing light motor cooling limitations
- 5 minutes after initial extension or retraction,
3. 5 minutes after each subsequent extension or retraction
Landing lights still, ambient air limitation
Must not be on for more than 10 minutes (heat build up)
Forward entry and service door girt bar limitations
Girt bars must be inserted in floor fittings prior to departure and in position until arrival
Emergency operating handle on aft pressure bulkhead door limitations
Must be exposed and normal operating handle covered prior to departure
Can use reduced thrust for takeoff on wet runway?
Yes - when using wet runway takeoff performance
When can we NOT use reduced thrust on takeoff?
- Contaminated runway with standing water, loose snow, slush, compacted snow or wet ice.
- When items affecting performance cause a significant increase in crew workload (inop equipment, non-std takeoff technique)
When is reinforced cockpit door checked?
Must be checked each flight day (Mx overnight check)