757/767 Limitations Flashcards
Category for Circling Approaches
Category D
757-200 Category for Straight-in-Approaches
Category C
757-300-767 Category for Straight-in-Approaches
Category D
Maximum Operating Pressure Altitude - 757
42,000 feet
Maximum Operating Pressure Altitude - 767
43,100 feet
Maximum Takeoff/Landing Tailwind Component
757/767 15 knots
767-400 10 Knots
Maximum gear operating/extended speed
270/.82
Maximum alternate gear extension speed
250/.75
Severe Turbulence Penetration Airspeeds
10,000 feet and above 290/.78
Below 10,000 feet 250
Maximum Runway Slope
+/- 2%
What is a normal runway width?
148’ (45 meters) or greater
What is the minimum runway width for the 757?
100’ (30 meters)
What is the minimum runway width for the 767?
115’ (35 meters)
Takeoff from narrow runways (5)
- Nose wheel steering must be operative
- All Brakes must be operative
- Crosswind capability is diminished with thrust
reverser or flight control deferrals. - Reference crosswind guidelines
- Ensure V1 is greater than or equal to narrow
runway calculated VMCG
Windshear Alert Prohibition
Takeoff with forward looking windshear warning alert annunciated is not approved.
Flaps 1 Takeoffs 757-300
Prohibited
To minimize wear on flap assembly, when extending flaps to positions 1 through 20, use placard speed minus 10 knots. Use placard limit speeds during flap retraction or when operating flaps in accordance with a non-normal procedure.
N/A
Crosswind Guidlines for takeoff and landing.
Runway condition code 6 “Dry”
Takeoff 40
Landing 40
Crosswind Guidlines for takeoff and landing.
Runway condition code 5 “Good”
Takeoff 25
Landing 40
Icing conditions exist on the ground and for takeoff when:
Outside air temperature is 10C or below
Icing conditions exist in flight when:
Total Air Temperature is 10C or below
Wing anti-ice use during takeoff
During takeoff don not use wing anti0ice until after the first power reduction.
On takeoff or missed approach, do not engage autopilot below
800 feet AGL
Do not use FLCH
Do not use FLCH on final approach below 1000’ AFE
Autopilot use prohibited below 100 feet RA at airpots pressure altitudes above
8400’
Do not use aileron trim
With the auto pilot engaged.
767-400 When coupled to an ILS without land 2 or Land 3 annunciated the autopilot must be disengaged prior to
descending below 100 feet RA
Autolanding maximum allowable headwind
25 knots
Autolanding maximum allowable tailwind
757-200 15 knots / 10 knots for CAT II/III
767 15 knots / 10 knots for CAT II/III
757-300 12 knots flaps 30
15 knots flaps 25
10 knots for CAT II/III
Autolanding maximum crosswind
25 knots / 15 knots for CAT II/III
Maximum / Minimum Glideslope Angle
Maximum 3.25 degrees
Minimum 2.50 degrees
Minimum altitude for use of autopilot on approach:
ILS coupled approaches (No Autoland) 50’ AGL
Non-ILS approaches 50’ below MDA/DA
Autolanding Touchdown and Rollout
Autolanding Notes:
Not authorized on runways with offset localizer.
N/A
Autolanding Notes:
Autopilot control wheel and throttle mounted autothrottle disconnect switches must be fully operative.
N/A
Autolanding Notes:
At 100’ AGL, autoland tolerances are:
+/- 5 knots of target
Zero to one dot high on glideslope
1/3 dot of localizer center
N/A
Autolanding Notes:
Autoland Status Annunciator (ASA) Land 3
The autopilot system meets the applicable airworthiness and performance reliability requirements for a fail operational system for approach, landing, and rollout.
N/A
Autolanding Notes:
Autoland Status Annunciator (ASA) Land 2
The autopilot system meets the applicable airworthiness and performance reliability requirements for a fail passive system for approach, landing, and rollout.
N/A
Autolanding must be made using what flap settings
Flaps 25 or 30
Autolanding Notes:
Two engines must be operating until 200’ RA. Below 200’ RA the ASA can only change to NO AUTOLAND. The approach may continue for engine failures that occur below 200’ RA.
N/A
Autolanding Notes:
Autoland is not authorized if the maximum structural landing weight is exceeded.
N/A
Autolanding Notes:
Autoland must be used when below CAT I weather conditions.
N/A
In all cases other than autoland, The autothrottle must be disconnected not lower than:
50’ AGL
Circuit breaker resets that are prohibited:
Fuel Boost Pump
Fuel Control
Engine Start Selector to CONT
Severe Turbulence
Takeoff and Landings
APU Starts
Three start attempts may be made followed by a 1 hour cooling period.
APU Bleed Air
Do not use APU bleed air above 17,000’ MSL
Minimum Oil Quantity for engine start
757-200 RR; 757-300; 767-400 18 quarts - ETOPS
16 quarts - NON ETOPS
757-200 PW; 767-300 15 quarts
Inflight engine start may be accomplished with zero oil quantity as long as all other indications are normal.
N/A
A significant drop in oil quantity is normal after engine start.
N/A
Do not start APU during fueling operations following an APU automatic shutdown or failed start.
N/A
APU starts: 757-200 RR; 757-300; 767-400
Allow 5 minutes cooling between start attempts
APU starts: 767-300
Allow 1 minute cooling between start attempts
Maximum Flap Extension Altitude
20,000 feet MSL
Speed brake restriction
Do not use speed brakes in flight below 1,000’ AGL
Max Tire Groundspeed
757; 767-300 195 knots
767-400 205 knots
Brake Wear
Brake assembly must be replaced when brake wear indicator pins indicate flush or below flush with the parking brake set.
