AOM Limitations

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Author:
spqswa
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256048
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AOM Limitations
Updated:
2014-01-12 04:18:37
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SWA
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Description:
AOM chapter 3 Limitations
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  1. What are the TO/LDG Operating Temperature Limits?
    -52°C to +54°C
  2. What are the Turbulent Air Penetration Speeds:

    At or Below 15,000 MSL?

    Above 15,000 MSL?
    <= 15K' - 250 kt

    > 15K' - 280 kt/0.76M (NG), 280 kt/0.73M (CL)
  3. What is the Maximum Tire Speed?
    195 kts
  4. What is the runway slope limit?
    ±2 percent
  5. What is the minimum recommended plowed or usable runway width?
    100 ft
  6. Takeoff or landing is not authorized for a MU report of what?
    Takeoff or landing is not authorized if the most current runway friction Mu report includes a value of 20 or less for any section of the runway.
  7. What is the Maximum Takeoff and Landing Tailwind Component?
    10 kts unless Braking Poor then 5 kts
  8. What is the maximum headwind component for HGS AIII mode?
    25 kts
  9. What is the recommended maximum wind velocity for takeoff and landing?
    50 kts steady and 70 kts peak gusts.
  10. How many lavatories can be inop before the flight cannot be dispatched?
    Aircraft will not be dispatched on revenue flights if all lavatories are inoperative.
  11. What is the system safety relief differential pressure?
    9.10 psi (NG), 8.65 psi (CL)
  12. What is the maximum cabin differential pressure for takeoff/landing?
    0.125
  13. The gasper fan must be off when operating at what altitude?
    The gasper fan must be off when operating at or above 10,000 ft.
  14. When is Engine Anti-Ice required?
    • Icing conditions exist or are anticipated except during climb and cruise below -40°C SAT.

    • Engine anti-ice must be on prior to and during descent in all icing conditions, including temperatures below -40°C SAT.
  15. What must be accomplished in moderate or greater precipitation?
    Engine Start Switches to Flt Ignition

    NOTE: No minimum RPM is required except for periodic run-up.
  16. What must be accomplished to reduce the risk of engine flameout when operating in, or in the vicinity of, moderate to heavy rain, hail, or sleet?
    Follow turbulent air penetration procedures.

    Engine start switches—FLT.
  17. Is the use of autopilot authorized for takeoff and landing?
    NO
  18. Which trim control is not authorized with the autopilot engaged?
    Aileron trim.
  19. What is the minimum altitude for autopilot engagement after takeoff?
    1000 ft AGL
  20. What is the minimum altitude for autopilot disengagement during approach?
    50 ft below DA/DDA, but no less than 50 ft AGL.
  21. Under what turbulence should the autothrottles be disengaged?
    Severe turbulence.
  22. What it the minimum altitude for autothrottle disengagement during approach?
    50 ft below DA/DDA, but no less than 50 ft AGL.
  23. During cruise, descent, or approach, autothrottle use is allowed only when the autopilot is engaged in what mode?
    Command (CMD) mode.

    NOTE: Momentary use of CWS pitch is allowed with the autothrottle engaged.
  24. What is the TR Voltage Range?
    22-30 volts (NG)

    24-30 volts (CL)
  25. What is the Battery Voltage Range?
    23-30 volts
  26. What admin items must be accomplished after an in-flight reset of a circuit breaker?
    Any time a tripped circuit breaker is reset in-flight by a Flight Deck Crew Member, Maintenance must be notified and an Info Only entry is required in the aircraft logbook. The Maintenance Controller’s name must be included in the entry.
  27. When should a flight deck crew member reset a tripped circuit breaker on the ground?
    The Flight Deck Crew should not reset a tripped circuit breaker on the ground until Maintenance has determined that it is safe to reset.
  28. When a circuit breaker is popped, what aircraft logbook documentation needs to occur?
    Aircraft logbook documentation is required and includes one of the following:

    • When a tripped circuit breaker is not reset, a defect is entered in the aircraft logbook.

    • Any time a tripped circuit breaker is reset by a Flight Deck Crew Member, an Info Only entry is required in the aircraft logbook. The Maintenance Controller’s name must be included in the entry.
  29. When should a flight deck crew member cycle a circuit breaker?
    • Directed by the QRH.

    • Directed by a procedure listed in the B737 AOM, FOM, MEL, or Operations Binder.

    • Coordinated and approved by Maintenance.

    NOTE: Any time a circuit breaker is cycled by a Flight Deck Crew Member, an Info Only entry is required in the aircraft logbook. The Maintenance Controller’s name must be included in the entry.
  30. What is the Max Duct Start Press in the CL?
    48 psi
  31. What is the limitations for takeoffs with the EECs in the alternate mode (NG)?
    Reduced thrust is not allowed.

    Both EECs must be selected alternate.
  32. What is the limitation for PMC operation in the CL?
    Both PMCs must be ON or both must be OFF for takeoff.
  33. What is the limitation for the ignitions switches for takeoff and landing?
    Ignition must be on for takeoff and landing.
  34. What is the starter duty cycle?
    (NG) Normal Start: 2 minutes ON, 10 seconds OFF between start attempts.

    (CL) Normal Start: 2 minutes ON, 20 seconds OFF. 2 minutes ON, then 3 minutes cooling before next and each subsequent attempt.

    Motoring (fuel off): 15 minutes
  35. What are the engine oil limitations?
    Flights with a scheduled block time of less than 2 hours: 60% (NG)/2 gal (CL)

    Flights with a scheduled block time of 2 hours or more: 60% (NG)/2.5 gal (CL)

    Flights that depart from a Maintenance base/station: 70% (NG)/3 gal (CL)

    The Captain must arrange for engine oil servicing when terminating at a non-Maintenance base: Less than 65% (NG)/2.5 gal (CL)

    NOTE: The above oil quantities are based on flight deck oil quantity indicator readings within 30 minutes of engine shutdown.
  36. What is the limitation for thrust reversers for takeoff and landing?
    Takeoff and landing are not authorized if either thrust reverser is inoperative and the runway is contaminated with clutter or the braking action is less than GOOD.
  37. What is the limitation for thrust reversers for landing?
    Reverse thrust, if operative, must be used on all landings at a minimum of detent 2 unless a higher level is specified.
  38. When must the APU bleed valve be closed?
    • Ground air is connected and isolation valve is OPEN.

    • #1 engine bleed valve is OPEN.

    • Isolation valve and #2 engine bleed valves are OPEN.
  39. What is the limitations for multiple APU start attempts?
    Wait 90 seconds prior to second APU start attempt, and allow a five-minute cooling period before a third. Do not attempt a fourth start.
  40. What is the limitation for APU shutdown?
    Wait at least 20 seconds after APU shutdown prior to positioning the battery switch to OFF.
  41. When is it authorized to start the APU airborne?
    Do not start the APU while airborne unless required by a QRH procedure or by OPC performance considerations.
  42. How long should the APU be operated prior to it being used as a bleed air source?
    The APU should be operated for one minute before being used as a bleed air source.
  43. In a CL, how long should the APU bleed air switch be OFF before the APU is shut down?
    The APU bleed air switch should be OFF for at least two minutes before the APU is shut down.
  44. What takeoff flap settings are authorized?
    NG: ALL but 2

    -300: Only 1, 5, 15

    -500: Only 5, 15
  45. What is the maximum allowable in-flight difference between Captain and FirstOfficer altimeters for RVSM operations?
    200 ft
  46. Do not use LNAV if which FMC message is active?
    “UNABLE REQD NAV PERF-RNP”
  47. Flight director or autopilot is required for RNAV operations with what RNP value?
    1.0 nm or less
  48. Use of the autopilot is required for RNAV approaches with what RNP value?
    Less than 0.30 nm
  49. In a CL, what is the minimum altitude for LNAV engagement after takeoff or missed approach?
    400 ft AGL
  50. When is LNAV use during the final approach segment allowed?
    On RNAV approaches.
  51. When may VNAV be engaged for takeoff, initial climb, or missed approach/
    VNAV will not be engaged for takeoff, initial climb, or missed approach until flap retraction is complete.
  52. When is VNAV use during the final approach segment allowed?
    VNAV use during the final approach segment is only allowed on RNAV approaches.

    CL: Two operable CDUs are required for VNAV.
  53. May fuel be transferred from tank to tank or the aircraft may be defueled with Passengers onboard?
    Yes, provided the fuel quantity in the tank from which fuel is being taken is maintained at not less than 2,000 lb. Deplane all Passengers and non-essential Crew when defueling a tank or transferring fuel from a tank that has a fuel quantity below 2,000 lb until the process has been completed and the respective fuel boost pumps are turned off.
  54. What is the minimum fuel for ground operation of electric hydraulic pumps?
    1,675 lb in the respective wing tank.
  55. What must occur before an aircraft is towed forward?
    Both engines will be shut down and hydraulic system A depressurized.
  56. What are the airspeed limitations for the landing gear?
    270 kt/0.82M for extension

    235 kt for retraction

    320 kt/0.82M extended.
  57. NG: What is the limitation for takeoff with the anti-skid inop?
    Takeoff with anti-skid inoperative is only allowed on dry runways.
  58. For the -700 and CL, when must the brake temperature be measured after landing?
    Temperature must be measured between 10 and 15 minutes after arrival parking.
  59. In the -800, what is the limitation on the brakes if the max quick turnaround weight is exceeded?
    Carbon brakes are limited to a fixed time of 48 minutes for ground turnaround if the maximum quick turnaround weight is exceeded.

    NOTE: The option of reducing the turn time based on a brake temperature measurement is not applicable.
  60. Do the brake temperature readings for brake cooling purposes apply for both rejected takeoff and landings?
    This limitation only applies to landing and not to rejected takeoffs.
  61. When must the autobrakes be used for landing?
    • On any runway that is not DRY (i.e., WET-GOOD, WET-FAIR, WETPOOR).

    • If the reported visibility is less than 4000 RVR or ¾ mile.

    • If landing with less than flaps 30 (e.g., single-engine landing or abnormal configuration).
  62. Which autobrake setting should be used?
    Select a setting that results in an unbracketed(positive) stopping margin.
  63. Is autobrake level 1 authorized?
    NO

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