B757 - Limitations Flashcards
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Max. Take Off Weight
230,000 lbs.
Max. Taxi Weight
231,000 lbs.
Max. Landing Weight
198,000 lbs.
Max. Zero Fuel Weight
184,000 lbs.
Taxi speeds
Normal - 20 kts.
Long straight - 30 kts. acceptable
Turbulent penetration airspeed
290 kts. / .78 Mach - whichever is lower
Ignition - Severe turbulence
CONT (Continuous) must be selected
Max. wind - Main cargo door OPERATION
40 kts.
Max. wind - Main cargo door OPEN
60 kts.
Max. wind - All other doors
60 kts.
Max. Operating Altitude
42,000 ft. Pressure altitude
Max. Takeoff & Landing Altitude
8,400 ft. Pressure Altitude
14,000 ft. w/ High Altitude Switch
Max. Runway slope
+/- 2%
Max. Tailwind - Takeoff & Landing
15 kts.
Max Crosswind - Takeoff & Landing (dry/damp)
30 kts.
Max. Crosswind - Single Engine
30 kts.
Max. Crosswind - Takeoff & Landing (braking FAIR/MEDIUM)
15 kts.
Max. Crosswind - Takeoff & Landing (braking POOR)
10 kts.
Minimum runway width - 180 degree turn
120 ft. / 37M
Max. Depth - slush, wet snow, standing water
1/2 inch (13mm)
Max. Depth - dry snow
4 inches / 102mm
FLAPS - Max. Operating Altitude
20,000 ft.
Ground Cooling (OAT & packs)
34°C - 49°C - one A/C pack or ground cooling
49°C or hotter - BOTH A/C packs or ground cooling
Engine Anti-Ice
Ground - OAT is 10°C or less (visible moisture)
In Flight - TAT is 10°C or less (visible moisture)
Visible moisture = clouds/fog & visibility less than 1 mile
DO NOT USE - Climb/Cruise when SAT is -40°C or less.
Autopilot engagement & limitations
Do not engage below 1000’ AGL (FDX)
Use of aileron trim w/ autopilot engaged is PROHIBITED.
Headwind limit Autoland
25 kts.
Crosswind limit Autoland
25 kts.
CAT II/III Crosswind limit Autoland
15 kts.
Tailwind limit Autoland
10 kts.
Autopilot minimum altitudes -
ILS Coupled (no Autoland)
Non precision w/ VNAV
Non precision w/ V/S
ILS Coupled (no Autoland) - 50’ AGL
Non precision w/ VNAV - 50’ below DA / 100’ below DDA
Non precision w/ V/S. - 50’ below MDA / 100’ below DDA
Starter duty cycle RR
2 min. ON - 0% N3
2 min. ON - 0% N3
2 min. ON - 0% N3 & 15 minutes cooling
or
4 min. ON & 15 minutes cooling
Normal re-engagement 0-20% N3
Starter duty cycle PW
2 min. ON - 0% N2
2 min. ON - 0% N2
2 min. ON - 0% N2 & 15 minutes cooling
or
4 min. ON & 15 minutes cooling
Normal re-engagement 0-20% N2
Takeoff - Minimum OIL temp. (PW)
50°C
Fuel temp. - MAX
49°C
Fuel temp. - MIN
-45°C or 3°C above freeze point (of fuel type), whichever is higher.
Non standard fuel load - Center tank
May contain up to 2000 lbs. with less than full wing tanks if…
Center tank fuel + ZFW is less than MAX ZFW (and CG limits are observed).
Max. Lateral fuel imbalance
1950 lbs. - structural limit
RVSM - Stby Altimeters
Do NOT meet RVSM requirements.
RVSM Altimeter Crosscheck
In-flight difference - 200 feet
On ground -
Sea level - 35’ between / 75’ vs. field elev.
VOR accuracy
4° between both (AML entry if greater)
Nav & display system does not support ops. at latitudes
Greater than 87° North or South
Do NOT operate NIGHT or IFR at latitudes greater than…
73°N or 60°S if navaids are referenced to MAGNETIC north.
Do NOT use EGPWS if…
QFE ops.
IRS Nav only
No WGS-84 reference
No FMS position update
Single FMC during non-precision approach. One pilot…
Must have raw data displayed on PFD/ND no later than FAF.
Dimensions -
Length -
Wingspan -
Height -
Gear width -
Dimensions -
Length - 155’ 3” / 47.3M
Wingspan - 124’ 10” / 38M
Height - 44’ 6” / 13.6M
Gear width - 24’ / 7.3M
Max. Flap speeds
1 = 240 kts. 5 = 220 kts. 15 = 210 kts. 20 = 195 kts. 25 = 190 kts. 30 = 162 kts.
Max. Gear speeds
Normal 270 kts. - .82M
Alt. 250 kts. - .75M
