MD11 Limitations

  1. MAXIMUM AIRCRAFT WEIGHTS (Kgs)

    TAXI
    287,000 Kgs.
  2. MAXIMUM AIRCRAFT WEIGHTS (Kgs)

    Takeoff
    • 286,000 Kgs
    • (285,990) Kgs Act.
  3. MAXIMUM AIRCRAFT WEIGHTS (Kgs)

    IN-FLT. LDG. FLAPS
    224,300 Kgs
  4. Max LANDING weight
    • 223,000 Kgs.
    • (222,900) Kgs Act.
  5. MAXIMUM AIRCRAFT WEIGHTS (Kgs.)

    ZERO FUEL
    209,200 Kgs
  6. MAXIMUM AIRCRAFT WEIGHTS (Kgs)

    MIN. FLT. WT.
    116,600 Kgs
  7. APU OPERATING LIMITS

    Max. Speed
    • N1 110%
    • N2 110%
  8. APU OPERATING LIMIS

    Max. EGT start
    872c
  9. APU OPERATING LIMITS

    Max. EGT continuous
    585°C
  10. APU OPERATING LIMIS

    APU starter duty cycle
    APU starter duty cycle is limited to two consecutive start attempts. After 10 minutes of required cooling time, two additional start may be attempted followed by a cooling period of 1 hour.

    • 2 - 10 min
    • 2 - 1 hour
  11. ENGINE ___ FIRE OR SEVERE DAMAGE
    Throttle ............................................................ IDLE
  12. WINDSHIELD WIPERS
    Do not operate windshield wipers on a dry windshield.

    Do not operate windshield wipers at high speed for more than 30 min.
  13. SPOILERS
    Auto-Ground Spoilers: must be operative for takeoff except when aircraft operation is based on the Auto-Ground Spoilers Inoperative Appendix.
  14. 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

    Any time icing conditions are expected or when the total air temperature is at or below (6°C) and either moisture is visible or outside dew point and air temperature are within (3°C) of each other.
  15. ICE AND RAIN PROTECTION

    When do icing conditions exist?
    Icing conditions exist when outside air temp. (OAT) on the ground and for takeoff, or total air temperature. (TAT) in flight is 6°C or below, and visible moisture in any form is present.
  16. CARGO FIRE LWR ___:
    • Flashing CARGO FIRE AGENT DISCH
    • switch ....................................................... PUSH
  17. ENGINE 2 A-ICE DUCT:
    ENGINE 2 Throttle....................................IDLE
  18. CABIN ALTITUDE or CABIN ALTITUDE WARNING:
    • Oxygen Masks ............................... On/100%
    • Outflow VALVE ............................... VERIFY CLOSED
  19. Airspeed unreliable
    WARNING: Establish control of the aircraft through pitch / thrust relationship. Disregard all alerts and warnings, except stick shaker, until after the aircraft is stabilized and safe operations achieved.

    • AFS OVRD and FD switches............OFF
    • Aircraft pitch/thrust:
    • FLAPS AND/OR SLATS EXTENDED:........10° AND 90% N1
    • FLAPS AND SLATS UP:.........................4° AND 90% N1
  20. TWO ENGINE INOPERATIVE:
    • Throttles.....................................MCT
    • Flaps (unless on final)...................up
    • Speed(U O F)..........Driftdown or UP/RET Vmin +30
    • Note: Delay gear retraction until flaps are up.
    • Gear (unless committed).................UP
    • Slats (unless on Final)....................RET

    If a second engine fails on final and the gear is down,

    • FLAPS.......................................... 28°
    • Speed........................................... Flaps 28 Vref +5
    • GPWS switch .............................. FLAP OVRD
  21. All ENGINE FLAMEOUT:
    • ENG IGN OVRD Switch....................... OVRD ON
    • ADG...................................................... DEPLOY
  22. WINDSHIELD HEAT
    The windshield anti-ice selector should be in High only for the duration of moderate to heavy icing.
  23. LSAS
    Two LSAS channels must be operative for Takeoff and must originate from a common flight control computer.
  24. ANTI-SKID
    Anti-skid must be operative for Takeoff except when the aircraft operation is based on the Anti-skid inoperative Appendix.
  25. In flight Speed Brakes:
    used only in the zero (0) degree flap configuration with or without slats extended.
  26. CABIN PRESSURIZATION

    Maximum relief valve differential pressure?
    9.1 psi
  27. CABIN PRESSURIZATION

    Max differential pressure for takeoff and Landing?
    Max differential pressure for takeoff and Landing. 0.5 psi
  28. CABIN PRESSURIZATION

    Unpressured flight?
    Unpressured flight must be conducted with the cabin pressure control in MANUAL and the outflow valve between 1/2 to 2/3 open.
  29. FUEL MANEGMENT
    Maximum lateral fuel imbalance between tank 1 and 3 is 1,100 kg.
  30. BALLAST FUEL
    Ballast fuel may only be loaded into main tank 2, upper auxiliary tank or the tail tank

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

    Tank 2 is limited to a maximum of 11,300 kg.
  31. FUEL DENSITY / TEMPERATURE
    • Fuel density must be within the range of:
    • 0.72 to 0.85 kg/Lt. (Temp -40°C to 50°C)

    MTOGW must be reduced by 1,134 kg. for each .01 kg/Lt of fuel density below .78 kg/Lt when the CG is equal to or forward of 22% MAC.
  32. HYDRAULICS
    System 3 minimum hydraulic quanity for dispatch is 6 gallons.
  33. AIR SYSTEM MANAGEMENT
    Do not interconnect two or more active engine pneumatic supply systems.
  34. REVERSE THRUST
    Use of reverse thrust is prohibited in flight.
  35. ENGINE IGNITION
    Ignition OVRD should be used for flame out protection during severe turbulence and/or heavy rain.
  36. ENGINE RPM LIMITS
    • Max N1 RPM .......................................... 117.5%
    • Max N2 RPM .......................................... 112.5%
  37. POWER PLANTS / ENGINE LIMITS (GE CF6-80C2)

    Starting
    • 750°C ............................................. no time limit
    • 750°C - 870°C ................................ 40 seconds

    Log book entry is required whenever EGT exceeds 750°C during start..
  38. POWER PLANTS / ENGINE LIMITS (GE CF6-80C2)

    Max Cont.
    925°C .................. continuous
  39. POWER PLANTS / ENGINE LIMITS (GE CF6-80C2)

    Takeoff
    960°C ........................................................... 5 min
  40. POWER PLANTS / ENGINE LIMITS (GE CF6-80C2)

    Min Oil Pressure
    9.5 PSID
  41. POWER PLANTS / ENGINE LIMITS (GE CF6-80C2)

    Max Oil Temp
    Max Oil Temp Cont. ................................160°C

    • Max Oil Temp:
    • 160°C to 175°C for 15 min.
  42. 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 five-minute starter operations and a cooling period. A 10-minute cooling. Is required between additional 5-minute starter operation.

    • Normally reengagement should be made with N2 below 20%.
    • In an emergency, reengagement may be made when N2 is as high as 30%.
    • DO NOT ENGAGE STARTER When N2 is above 30%
  43. KINDS OF AIRCRAFT OPERATION
    • VFR
    • IFR
    • Icing Conditions
    • Extended Overwater
  44. MAXIMUM AIRCRAFT WEIGHTS (Kgs)

    AUTOLAND
    N/A
  45. YAW DAMPER
    Two yaw damper channels must be operative for Takeoff and must originate from a common flight control computer.
  46. FLIGHT MANAGEMENT SYSTEM (FMS) - 913
    FMS PROF mode must not be used in the descent/approach below minimum descent altitude MDA or decision altitude DA.
  47. RVSM AIRSPACE
    Manually switching to the alternate static system is prohibited for RVSM.
  48. OPERATING LIMITATIONS

    Max T/O and LDG Alt:
    10,000 feet.
  49. OPERATING LIMITATIONS

    Max Altitude:
    43,200 feet.
  50. OPERATING LIMITATIONS

    Max Runway Slope:
    +/- 2%
  51. OPERATING LIMITATIONS
    Tailwind component
    Limiting tailwind component 10 knots for takeoff and landing.
  52. FLIGHT MANEVERING 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.og to -0.0g
  53. DEMONSTRATED CROSSWIND
    35 knots

    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.
  54. 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.
  55. AUTOPILOT
    For non-precision approaches, the autopilot must be disengaged no lower than the applicable minimums minus 50 feet.

    Do not exceed 200 KIAS with single land or dual land modes if the autopilot is engaged.
  56. AUTOMATIC LANDINGS
    Automatic Landings are prohibited at weights greater than 218, 400 kg.

    Automatic Landings are prohibited above 8000 feet MSL.

    Dual land requires three (3) hydraulic systems operating.

    Automatic landings have been demonstrated using a reference approach speed of 1.3 Vs + 5 under the following conditions:

    • Headwinds to ........................................ 25 knots
    • Tailwinds to ........................................... 10 knots
    • X-winds to .............................................. 15 knots
  57. CENTRALIZED FAULT DISPLAY SYSTEM (CFDS)
    Only authorized (CFDS TRAINED) flight crew may have access to the CFDS.
Author
learflyer
ID
339493
Card Set
MD11 Limitations
Description
MD11
Updated