Part 14 AutoFlight

  1. How do the SPEED, HDG, and ALT selector knobs on the glareshield control panel
    (GCP) operate?
    Turn to pre-select, pull to select, push to hold.
  2. Where are the flight mode annunciators (FMA) located?
    At the top of each of the primary flight display (PFD).
  3. Which hydraulic system powers the Autopilots?
    • Autopilot # 1 – Hydraulic System # 2
    • Autopilot # 2– Hydraulic System # 1
  4. What is the purpose of a parallel rudder operation?
    • to align aircraft at 150 feet AGL during auto land and to counter asymmetric thrust
    • during take-off or go-around when autopilot is engaged.
  5. When is the parallel rudder mode active?
    With the autopilot ON during takeoff, Go-Around, and Autoland modes.
  6. When is the automatic stabilizer trim operational?
    During LSAS operation and all autopilot modes except FLARE.
  7. When are flight directors engaged?
    Always engaged unless selected OFF.
  8. What is the pitch attitude commanded by the flight director during takeoff?
    The pitch bar will pop up to 6 degrees nose up at 80 knots.
  9. When is LSAS pitch trim inhibited?
    • When the bank angle exceeds 5 degrees, control column exceeds 2 pounds, during
    • manual and below 100 ft RA.
  10. What is the pitch attitude commanded by the flight director after nosegear liftoff?
    Pitch attitudes to maintain V2 + 10.
  11. When will the speed automatically default to the current IAS speed window during
    takeoff?
    • When the aircraft passes through the all engine ACCEL altitude (default is 3000 feet
    • above departure elevation) unless the pilot had already selected a new speed.
  12. What is the commanded speed during takeoff with an engine failure?
    • If the engine failed prior to V2 the commanded speed will be V2. If the engine failed
    • between V2 and V2+10 the commanded speed will be the speed at engine failure.
    • If the engine failed above V2 +10 the commanded speed will be V2+10.
  13. What are the FMA indications when the autopilots or autothrottles are OFF but
    available?
    “AP OFF” or “ATS OFF” are displayed with a WHITE box.
  14. What are the FMA indications when the autopilots or autothrottles are OFF but not
    available?
    “AP OFF” or “ATS OFF” are displayed with a AMBER box.
  15. When can the autopilot be engaged during departure?
    At or above 100 feet AGL (400 if NAV is armed).
  16. How is the autoflight system effected when the AFS OVRD OFF switches are in the
    OFF position?
    • The corresponding autopilot and autothrottle systems are disconnected, and the
    • auto pitch trim and speed protection provided by the autopilot are not available.
  17. What is the primary function of the autothrottle system?
    Maintain an IAS or MACH number or set thrust at the select limit.
  18. How are autothrottles engaged?
    Pressing the AUTOFLIGHT switch anytime or pressing the PROF button.
  19. How does the autothrottle system engage automatically?
    • When an overspeed or underspeed condition exists and when windshear guidance
    • is activated.
  20. How can the autothrottle system be disengaged?
    • Pushing either throttle 1 or 3 ATS disconnect button, placing any throttle in reverse,
    • by pushing both AFS OVRD OFF switches down, or a system failure.
  21. What does the autothrottle CLAMP mode indicate?
    The autothrottle system is engaged but pilot manual inputs are not overridden.
  22. If the autothrottles are off and go-around is selected, will the autothrottles
    automatically engage?
    No.
  23. When do the autothrottles disengage during landing?
    When reverse thrust is applied during the landing roll.
  24. What does the green line on the airspeed display indicate?
    • Speed trend. The end of the line indicated the speed which will be achieved in 10
    • seconds.
  25. When will ATS go to idle on landing with flaps @31.5 or greater?
    Autopilot flare mode during autoland, RA less than 50 feet
  26. How is climb power selected after takeoff?
    By selection of any Vertical Path mode, Level Change or PROF.
  27. What happens when the GA switch is pressed and the aircraft is below 2500 feet
    AGL?
    • a) Thrust advanced to G/A thrust
    • b) Parallel rudders engaged ( if AP is engaged)
    • c) Bank angle limited to 10 degrees
    • d) Maintains magnetic heading existing when the bank angle is less than 3 degrees
    • or rolls the aircraft to wings level and maintains the heading existing when the
    • bank angle reaches the 3 degrees.
  28. What does the green diamond on the heading display indicate?
    Ground track.
  29. What will be displayed in the heading window on the GCP when the NAV is
    engaged?
    “HDG---“ or ”TRK---“
  30. What happens when the autoflight system is in the VOR TRACK mode and the
    aircraft enters the cone of confusion (station passage)?
    • The roll FMA will change from a white “VOR1” or “VOR2” to a white “VOR1 CRS” or
    • “VOR2 CRS” until the outbound radial is acquired.
  31. What happens to the IAS/MACH window when the FMS SPEED switch is pushed?
    The window displays dashes.
  32. How is a speed preselected on the flight control panel?
    By rotating the SPEED SELECT knob.
  33. What actions will occur if the heading select knob is pushed while the aircraft is in a
    turn?
    • The aircraft will roll out and maintain the heading at the time the push occurred, plus
    • or minus a small increment to provide a smooth rollout without overshot.
  34. How is the Level Change mode engaged?
    Pull out the altitude select knob on the GCP.
  35. What is the function of the PROF switch?
    • Engages the FMS vertical profile tracking mode, if not previously engaged. Engages
    • auto-throttles if not engaged.
  36. What happens to the auto throttle when the GA switch is pressed?
    G/A thrust is set.
  37. What display indicates the bank angle limits in the AUTO mode?
    The bank angle limit indicator on the PFD.
  38. If autopilot # 1 is engaged, how can the pilot select autopilot # 2?
    Push the AUTOFLIGHT switch again.
  39. Explain how you can edit the FMS speed using the flight control panel?
    • Ensure you are in FMS speed then, preselect the new speed by rotating the speed
    • knob and press knob within 10 seconds.
  40. With the FMS engaged, what will happen if the altitude knob is pulled on the flight
    control panel?
    The Level Change mode is engaged.
  41. What does and open “bow tie” symbol on the airspeed or altitude display indicate?
    The preselected speed or altitude.
  42. What does a solid magenta circle on the airspeed indicator mean?
    Engaged FMS commanded speed.
  43. What happens when the APPR/LAND switch is pushed?
    • With a valid localizer signal, arms the AP/FD to capture the localizer and glidescope.
    • If the autoflight is engaged, it will provide control to autoland touchdown and rollout.
  44. What is the maximum intercept angle?
    90 degrees.
  45. What conditions must be met for glidescope capture?
    Localizer must be captured.
  46. What does the annunciation “APPR ONLY” indicate?
    • Autoland is inoperative and the autopilot will automatically disconnect at 100 feet
    • RA.
  47. What actions are required to exit the Flight Director Approach mode below 1500 feet
    RA?
    Select go-around or turn off the auto pilot.
  48. What does the annunciation “SINGLE LAND” indicate?
    Autoland capability is reduced from fail operational to fail passive.
  49. What conditions are required for “DUAL LAND” mode to engage?
    • Aircraft tracking the localizer and glidescope and aircraft has been below 1500 feet
    • RA for 10 seconds, and required redundancies have been met.
  50. When does the “ALIGN” annunciation appear?
    150 feet RA.
  51. When does the “FLARE” annunciation appear?
    50 feet RA.
  52. When does the “ROLLOUT” annunciation appear?
    At main wheel spin-up, and auto ground spoiler initiation.
  53. When will the autoground spoilers (AGS) extend during an autoland?
    • Will extend to the 2/3 position at main wheel spin-up with the aircraft below 7 feet
    • RA. Will extend to the FULL position at Nose Gear touchdown.
  54. What occurs if Go-Around is selected during an approach with the FD’s OFF?
    The FD’s “pop up” automatically when the GA button is pushed.
  55. What is the commanded speed during Go-Around displayed in the PFD?
    Greater of current speed or VMIN + 5 knots.
  56. Is it required to engage FMS Speed mode prior to engaging PROF mode?
    No, FMS Speed mode is independent of the PROF mode.
  57. The absolute altitude floor or ceiling in all autoflight modes including PROF is?
    The altitude as displayed in the FLP XXX window.
  58. During takeoff, when may the PROF mode be engaged?
    When above 400 feet RA.
  59. When will NAV capture?
    When within 10 nm, of selected course.
  60. Can NAV be armed on the ground?
    • Yes, and will capture after lift-off when above 400 ft RA and within 10 nm of selected
    • course.
  61. When is the VOR TRACK mode inhibited?
    • On the ground, above 18,000 feet, in the Land modes, and in the Takeoff or GoAround
    • modes below 400 feet RA.
  62. During an ILS or localizer approach and after localizer capture, what action is
    required to cancel the Localizer mode?
    • Above 1500 Feet RA, select another Roll mode.
    • Below 1500 feet RA, select Go-Around mode or disconnect the autopilot.
  63. When will the altitude alerting system activate for an altitude deviation?
    When a deviation of 150 feet or more occurs.
  64. When will the autopilot automatically disengage during an “APPROACH ONLY”
    approach?
    100 feet RA.
  65. What does the autoflight panel display at initial power-up?
    • Airspeed 250 Kts.
    • Heading 000
    • Altitude 10,000 Ft.
  66. What is VAPP equal to when the FMS is engaged during approach?
    1.3Vs+ 5 knots.
  67. As far as autoflight guidance is concerned, which warning has a higher priority,
    GWPS or windshear?
    Windshear.
Author
SFT
ID
340568
Card Set
Part 14 AutoFlight
Description
MD11 AutoFlight
Updated