Aircraft Ops Limits & IA items

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Author:
Ram7576
ID:
294296
Filename:
Aircraft Ops Limits & IA items
Updated:
2016-07-31 14:02:42
Tags:
ops limits
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Description:
B757 B767 ops limits updated 12/8/15.
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  1. Maximum operating pressure altitude
    • B 757 42,000 ft
    • B 767 43,100 ft
  2. Maximum takeoff and landing pressure altitude
    • 8400 ft
    • 9500 ft B 767 tails 335 and up
    • 14000 ft B 757 tails 451 to 470
  3. Runway Slope Limits
    +/- 2%
  4. Maximum takeoff and landing tailwind component
    10 kts
  5. Maximum demonstrated crosswind Takeoff and Landing
    30 kts (Not considered limiting on a dry runway with all engines operating)
  6. Minimum turning radius
    B 767 - A 180' turn on a 150 ft wide runway is not authorized
  7. Maximum taxi weights
    • B 757  251,000
    • B 767  409,000
  8. Maximum landing weights
    • B 757 210,000
    • B 767 326,000
  9. Maximum zero fuel weights
    • B 757  200,000
    • B 767  312,300
  10. Automatic flight
    On takeoff, do not engage autopilot below 200 ft AGL
  11. Maximum allowable wind speeds - autoland
    • Headwind - 25 kts
    • Crosswind - 25 kts
    • Tailwind - 10 kts
  12. Flap extension, maximum altitude
    20,000 ft
  13. Maximum fuel imbalance between the left and right main tanks for all operations:
    B 757  1800 lbs

    B 767 

    • 2500 lbs                             48,000 or less
    • linear reduction to 1500 lbs  48,000 to 79,800
    • 1500 lbs                         Greater than 79,800
  14. Center tank pumps must be off   B 757
    • for takeoff if less than 5000 lbs
    • 1000 lbs for climb, cruise, and descent
  15. Ignition
    Continuous ignition shall be on for flight in severe turbulence
  16. Reverse thrust:
    Reverse thrust is restricted to ground use only.  Backing the aircraft with use of reverse thrust is not permitted
  17. Maximum temperature for Jet A
    49'C
  18. Minimum fuel tank temperature
    • B 757 - Minus 45'C or 3'C above the freezing point of the fuel being used (whichever is higher)
    • B 767 - 3'C above the freezing point of the fuel being used
  19. VOR Approaches:
    With one fmc inoperative, one pilot must have raw data from the VOR associated with the approach displayed in the HSI VOR mode no later than the final approach fix
  20. RR - Minimum oil temperature for advancing thrust levers:
    0'C
  21. Crossbleed Start
    B 757 PW / B 767    70% N2

    B 757 RR                65% N3
  22. Summary of Static Run-Up Before Takeoff
    • B 757 PW  50% N1   -  0 sec
    • B 757 RR   60% N1  -  10 sec
    • B 767 GE   60% N1  -  0 sec
  23. CABIN ALTITUDES or Rapid Depressurization
    • OXYGEN MASKS ... ON
    • CREW COMMUNICATION ...
    • PACK CONTROL SELECTORS(If available). . . ............AUTO
    • If occupants in main cargo compartment:MAIN CARGO ALERT (Switch).. .PUSH
    • CABIN ALTITUDE AND RATE . . . . . . . . . . . . . . . . . CHECK
    • If the cabin altitude is uncontrollable: Without delay, descend to lowest safe altitude or 10,000 feet, whichever is higher.To descend:Move the thrust levers to idle.Extend the speedbrakes.If structural integrity is in doubt, limit airspeed and avoid high maneuvering loads.Descend at VMO/MMO.
  24. Dual Engine Failure
    • ENGINE START SELECTOR (Both) ... FLT
    • THRUST LEVERS (Both) ... CLOSE
    • .(RR) Do not advance thrust during engine recovery until above 50% N3
    • FUEL CONTROL SWITCHES (Both) ... CUTOFF, THEN RUN
    • If engine appears stalled or EGT approaches the Standby Engine Placard Limit:
    • . Repeat the above step on affected enine(s)
    • .  (Reduces EGT and improves airflow.)
  25. Airspeed Unreliable
    • AUTOMATION ... DISENGAGE
    • (Disengage the autopilot and autothrottles, and turn off the flight directors.)
    • Establish normal pitch attitude and thrust setting for phase of flight
    • Set the following gear up pitch attitude and thrust:
    • FLAPS EXTENDED . . . .10° and 75% N1 (767 80% N1)
    • FLAPS UP . . . . . . . . . . . .. 4° and 75% N1
  26. B 757/767 Authorized Instrument approaches:
    • ASR/SRA
    • LDA
    • LDA/DME
    • LOC 
    • LOC BC
    • NDB
    • NDB/DME
    • VOR
    • VOR/DME
    • RNAV (GPS) B767 Only
    • GPS B767 Only

    • Precision-like Approaches:
    • LDA with glideslope

    • Precision Approaches:
    • ILS CAT I-II-III
    • ILS/DME
    • ILS/PRM
  27. Turbulence air speed

    01.01.01.01
    290 kts/.78M, whichever is lower
  28. Main Cargo Door
    Maximum wind gust with door open (structural consideration)
    Maximum wind (closing door)

    01.03.01.10
    65 kts

    40 kts
  29. Minimum oil temperature for takeoff Pratt &  Whitney

    01.03.01.12.01
    50'C
  30. 75 minutes of fuel on the B757 and B767
    • B757 160K 7.5 Klbs.
    • B757 210K 9.5 Klbs.
    • B767 220K 9 Klbs.
    • B767 320K 13 Klbs.

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