Limitations

  1. FMS MANAGEMENT SYSTEM (FMS)-921

    FMS PROF mode must not be used in descent/approach below minimum descent altitude MDA or decision altitude DA
  2. KINDS OF AIRCRAFT OPERATION
    • VFR
    • IFR
    • Icing Conditions
    • Extended Overwater
  3. RVSM AIRSPACE
    Manual switching to the alternate static system is prohibited for RVSM
  4. OPERATING LIMITATIONS
    • Max T/O and LDG Alt: 10,000 feet
    • Max Altitude: 43,200 feet
    • Max Runway Slope +1/-2%

    Limiting tailwind component 10 knots for takeoff and landing
  5. FLIGHT MANEUVERING LOAD ACCELERATION LIMITATIONS
    • Flaps up slats retracted +2.5g to -1.0g
    • Flaps and slats extended +2.0g to 0.0g
    • Flaps or slats extended +2.0 to 0.0g
  6. DEMONSTRATED CROSSWIND
    For takeoff and landing, the maximum demonstrated crosswind value is 35 knots. This value is valid with normal hydraulic systems operating or with one hydraulic system inoperative.
  7. WINDSHEAR
    During sustained banks of greater than 15 degrees the Honeywell Windshear Detection and Recovery Guidance System (WSS) is desensitized and alerts resulting from encountering windshear conditions will be delayed.
  8. AUTOPILOT
    For non-precision approaches, the autopilot must be disengaged no lower than the applicable minimums minus 50ft.

    Do not exceed 200 KIAS with single land or dual land modes if the autopilot is engaged.
  9. AUTOMATIC LANDINGS
    Automatic landings are prohibited at weights greater that 223.0 kg. Automatic landings are prohibited above 8,000 feet MSL.

    Dual land requires three (3) hydraulic systems operating.

    • Automatic landings have been demonstrated using a reference approach speed of 1.3Vs+5 under the following conditions:
    • Headwinds to 25 knots
    • Tailwinds to 10 knots
    • X winds to 15knots
  10. CENTRALIZED FAULT DISPLAY SYSTEM (CFDS)
    Only authorized (CFDS TRAINED) flight crew may have access to the CFDS.
  11. ENGINE STARTING
    The starter motor may be operated continuously for 5 minutes. It must be cooled for at least 30 seconds for each minute of operation before subsequent use.

    After two 5-minutestarter operations and a cooling period, a 10-minute cooling period is required.

    After a 3rd starter operation, a 30 min cooling period is required.

    Normally reengagement should be made with N2 below 15%. In an emergency, reengagement may be made when N2 is as high as 20%. Do not engage starter when N2 is above 20%.
  12. POWER PLANTS/ENGINE LIMITATIONS
    (P&W 4460)
    • Starting 535 C no time limit
    • Max Cont. 625C continuous
    • Takeoff 650C 5 min

    Logbook entry is required whenever EGT exceeds 535 C during start.

    • Min Oil Pressure 70 PSID
    • Max Oil Temp Cont. 163 C
    • 163 C to 177C for 20 min.
  13. ENGINE RPM LIMITS
    • Max N1 RPM 111.4%
    • Max N2 RPM 105.6%
  14. ENGINE IGNITION
    Ignition OVRD should be used for flameout protection during severe turbulence and/or heavy rain.
  15. RESERVE THRUST
    Use of reverse thrust is prohibited in flight.
  16. AIR SYSTEM MANAGEMENT
    Do not interconnect two or more active engine pneumatic supply systems.
  17. HYDRAULICS
    System 3 minimum hydraulic quantity for dispatch is 6.0 gallons.
  18. FUEL DENSITY TEMPERATURE
    • Fuel density must be with the range of 0.72 to 0.85 kg/lt Temp -40°F (-40°C) to 122°F
    • (50°C).

    MTOGW must be reduced by 1,134 kg for each 0.01 kg/lt of fuel density below 0.78 kg/lt when the CG is equal to or forward of 22% MAC.
  19. BALLAST FUEL
    Ballast Fuel may only be loaded into main tank 2, the upper auxiliary tank or the tail tank.

    Ballast fuel may not be loadedin more than one tank at the same time.

    Tank 2 is limited to a maximum of 11.340 Kg.
  20. FUEL MANAGEMENT
    • Maximum lateral fuel imbalance between
    • tank 1 and 3 is 1.134 Kg.
  21. CABIN PRESSURIZATION
    Maximum relief valve differential pressure = 9.1 psi. Maximum differential pressure at takeoff and landing = 0.5 psi

    Unpressurized flight must be conducted with the cabinpressure control in MANUAL and the outflow valve between 1/2 to 2/3 open.
  22. SPOILERS
    Auto-Ground Spoilers: must be operative for takeoff except when the aircraft operation Is based on the Auto-Ground Spoiler Inoperative Appendix.

    Inflight Speed Brakes: used only in the zero (0) degree flap configuration with or without slats extended.
  23. ANTI-SKID
    Anti-skid must be operative for takeoff except when the aircraft operation is based on the Anti-skid Inoperative Appendix.
  24. APU OPERATING LIMITS
    (Starting, ground, in-flight)

    • Max.SpeedN1 110 %
    • N2 110 %

    • Max. EGTStart872°C
    • Continuous585 °C

    APU starter dutycycle is limited to two consecutive start attempts. After 10 minutes of required cooling time, two additional starts may be attempted followed by a cooling period of 1 hour.
  25. YAW DAMPER
    Two yaw damper channels must be operative for takeoff and must originate from a common flight control computer.
  26. LSAS
    Two LSAS channels must be operative for Takeoff and must originate from a common flight control computer.
  27. ICE AND RAIN PROTECTION
    ENG ANTI-ICE switches must be turned ON when an ICE DETECTED alert is displayed from the ice detection system and anytime icing conditions are expected or when the total air temperature is at or below 42°F (6°C) and either moisture is visible oroutside dewpoint and air temperature are within 5°F ( 3°C) of each other.

    Icing conditions exist when outside air temp. (OAT) on the ground and for takeoff, or total air temp.(TAT) in-flight is 6°C or below, and visible moisture in any form is present.
  28. WINDSHIELD HEAT
    The windshield anti-ice selectors should be in HIGH only for the duration of moderate to heavy icing.
  29. WINDSHIELD WIPERS
    Do not operate windshield wipers on a dry windshield.

    Do not operate windshield wipers at high speed for more than 30 min.
  30. TAXI
    287.1
  31. NORMAL T/OFF
    286.0
  32. T/OFF w/BALLAST FUEL or FD
    283.7
  33. IN-FLT. LDG. FLAPS
    224.3
  34. LANDING
    223.0
  35. AUTO LAND
    223.0
  36. ZERO FUEL
    209.2
  37. MIN. FLT. WT.
    116.5
Author
nolefan
ID
79245
Card Set
Limitations
Description
MD11 Limitations
Updated