MD88/90 Limitations

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  1. How long will the battery packs provide emergency power?
    15 minutes
  2. Recommended pavement width for a 180 degree turn:
    125 ft.
  3. Minimum crew oxygen pressure:
    1000 psi
  4. Anti-ice protection cycle
    Heats leading edge of the wings (slats) for 15 mins, followed by 2.5 mins to the horiz.  stabilizer
  5. (MD-90) Moving the flaps to ___ automatically activates both wing and tail anti-ice valves
    40
  6. When is engine anti-ice required on the ground and in-flight?
    Ground:  6C or less with visible moisture (fog<1 sm), temp/dew point 3C or less, wet runways/taxiways

    Flight:  10C or less with visible moisture
  7. The IAS/MACH pitch mode will not engage Mach below:
    27,000 ft and/or .5 Mach
  8. When will the battery chargers operate:
    BEG:  Battery switch on, EMER PWR switch OFF, ground service bus is powered
  9. (90) On initial electrical power up, wait ___ before starting the APU.
    90 sec.
  10. APU voltage and frequency requirements:
    115+/- 3 volts, 396+/-8 Hz
  11. (88)  How long will the batteries last on emergency power?
    30 mins.
  12. (90)  How long will the batteries last on emergency power?
    45 mins.
  13. What is the function of the AC BUS X TIE switch in AUTO?
    PPI:  prevents paralleing, powers unpowered generator bus, isolates generator bus faults
  14. Engine driven generator normal voltage and frequency?
    115+/-3 volts, 400+/-4 Hz
  15. (90) Minimum temp before advancing throttle above idle?
    -10C
  16. (90) Oil temperature must reach ___ before takeoff
    50C
  17. How long is the fuel heat energized for?
    1 minute
  18. (90)  Normal range for engine vibration display?
    0.0 to 4.0
  19. (88/90)  Conditions that would lead to a manual aborted start
    No N2, No oil pressure prior to 20%N2, Rapid EGT rise toward limit
  20. (88)  Additional conditions that would lead to a manual aborted start
    No N1 rotation prior to 20% N2, No fuel flow or EGT rise within 20 seconds of placing fuel lever on,hung start, flasing fuel flow digits with one or more abnormal engine indications,
  21. (90) Additional conditions that would lead to a manual aborted start
    No N1 rotation prior to 33% N2, No EGT rise within 20 sec. of fuel flow, engine vib above 4.0
  22. (90) The following will cause and AUTO ABORT during automatic start:
    Hot start, hung start, locked N1 rotor, ignition failure, electronic control lost, engine stall, and EGT failure(no AUTO ABORT for high vibration or low oil pressure)
  23. Once N2 reaches ___  AUTO ABORT feature is inhibited.
    50% N2
  24. Required engine warmup prior to takeoff power application:
    2 mins (5 mins if engines have been shutdown for more than 2 hours)
  25. Required engine cool down prior to shutdown
    3 mins
  26. (88) Max altitude for electric start
    FL370
  27. (88) Max altitude for windmill start
    FL300
  28. (88) Max operating altitude
    FL370
  29. (90) Max altitude for electric start
    FL350 (all starts are electric)
  30. (88)  When do you turn on the fuel lever during engine start?
    Max motoring (min 20%) and below 100C EGT
  31. (90)  When do you turn on the fuel switch during engine start?
    Max motoring  (min 15%) and below 250C EGT
  32. (90) Fuel flow will not begin until ___after the start valve has opened
    30 sec.
  33. (88) Max altitude to use APU electrics
    FL370
  34. (90) Max altitude to use APU electrics
    FL370
  35. Max altitude for APU pneumatics
    20,000 ft (90 only because pneumatics are used airborne for the 88)
  36. (88)  Minimum oil quantity at non-maintenance and maintenance stations
    8-non-maintenance, 12-maintenance
  37. (90)  Minimum oil quantity at non-maintenance and maintenance stations
    12-non-maintenance, 16-maintenance
  38. (90) Minimum oil quantity after engine start
    8 quarts
  39. TRP Test indications for EPR, RAT
    EPR LIMIT:  2.08+/-.01RAT:  12C+/-1CWhen released,EPR shows dashes, RAT shows ambient temp, NO MODE light illuminates
  40. Reasons for the NO MODE annunciator on the TRP
    • Abnormal bleed configuration
    • No selection made since TRP was tested
    • TO flex selected with the ART switch on
  41. (88)  When is APU bleed air available?
    After 60 second warm up (also 60 second cool down) (no warm up for 90)
  42. When does the ART switch function?
    Windshear, engine failure (normal power takeoffs only)
  43. Conditions when ART will activate
    Windshear, 30% N1 difference, N1 input fails, the selected DFCG fails, the DFCG is manually switched
  44. Progression of the stall protection system:
    Auto Slats (0-13 degrees setting), Stick Shaker, Stall Warning lights and Audio, Stick Pusher (only with slats extended)
  45. During flight, the spoilers extend to a maximum of ___ degrees
    35 degrees
  46. On the ground, spoilers extend to a maximum of ___ degrees
    60 degrees
  47. Fuel quantity test displays
    Each tank 3000+/-100, center tank 9000+/-300, gross weight ZFW+9000+/-300
  48. (88)  HYD QTY low lights illuminate:
    8 left, 9 right
  49. (90)  HYD QTY low lights illuminate:
    9 left, 10 right
  50. (88)  HYD QTY low lights illuminate after engine start below:
    4 quarts
  51. (90)  HYD QTY low lights illuminate after engine start below:
    6 quarts
  52. (88)  Minimum hydraulic quantity for dispatch
    8 left, 9 right
  53. (90)  Minimum hydraulic quantity for dispatch
    9 left, 10 right
  54. (88)  Minimum brake pressure required prior to setting the parking brake
    1400 psi
  55. (90)  Minimum brake pressure required prior to setting the parking brake
    1700 psi
  56. Anti-skid system is operational when:
    • Switch in ARM position
    • Landing gear handle (or alternate gear handle pulled) down
    • Parking brakes released
    • Wheel speed greater than 10 knots
  57. ABS is inop with the flaps less than ___
    26 degrees
  58. At speeds below 70 knots (88)/90 knots (90)___ braking is applied during and autobrake RTO
    ABS reverts to landing mode and applies MIN braking
  59. At speeds above 70 knots (88)/90 knots (90)___ braking is applied during and autobrake RTO
    Max dual system braking is applied
  60. Requirement for ABS operation during landing:
    Spoiler handle must be deployed (automatically or manually) with throttles retarded and brakes released
  61. Auto braking delay schedule
    • 88:  1 sec in MAX, 3 sec in MIN or MED
    • 90:  1 sec in MAX, MED or MIN
  62. Auto brake pedal deflection to disengage auto brakes
    • 88:  25%
    • 90:  below 90 knots 25%, above 90 knots 90%
  63. (88) Max brake temp for takeoff
    205C and OVHT light extinguished
  64. (90) Max brake temp for takeoff
    250C up to 2200 MSL
  65. When can the gear horn not be silenced?
    When flaps are extended beyond 26 degrees and gear is not down and locked
  66. When does the Brake OVHT light illuminate?
    88:  305C, 90:  540C  3+5=8, 5+4=9
  67. When will the the PLI function?
    60 KIAS and the airplane is below 1500 AGL or anytime the slats are extended
  68. Descent below glideslope "GLIDESLOPE, GLIDESLOPE" asserts below
    1000 AGL
  69. During takeoff and landing, new PWS CAUTION alerts are inhibited between ___ and ___, and new WARNING alerts between ___ and ___.
    80 knots and 400 RA100 kts and 50 RA
  70. PWS automatically begins scanning for windshear on the ground when:
    Right throttle is set for takeoff, one engine is running
  71. PWS automatically begins scanning for windshear in the air when:
    Below 2300RA (alerts are issued 1200 RA)
  72. The OAP message "CENTER FUEL PRESS LO" is inhibited with flaps...
    6 degrees or greater
  73. The PLI will activate under the following conditions:
    From 60 knots to 1500 AGL, or any time the slats are extended.
  74. GPWS is inhibited below
    50 ft (+/-15)
  75. RWS guidance is only activated when:
    TOGA is pressed or either engine EPR is within 95% of maximum go-around EPR
  76. During takeoff, the PWS CAUTION alerts are inhibited between:
    80 knots and 400 AGL
  77. During takeoff, the PWS WARNING alerts are inhibited between:
    100 knots and 50 RA
  78. EGPWS symbols
    • Solid red:  30 sec to impact
    • Solid amber:  60 sec to impact
    • Dotted red:  terrain more than 2000 above current altitude
    • Dotted amber:  terrain 500 below (250 with gear down) to 2000 above
    • Dotted green:  terrain 2000 below to 500 below (250 with gear down)
    • Magenta:  no terrain data
  79. Conditions that will activate the landing gear configuration warning
    Any flaps extended beyond 26 degrees or (cannot be silenced)Throttles idle less than 1500 RA and less than 210 kts (can be silenced)
  80. The second cargo fire bottle should be discharged ___ after the first.
    15 minutes
  81. The two cargo fire bottles working together give the flight crew approximately ___ of fire suppression.
    60 mins.

Card Set Information

Author:
fannymagnet
ID:
324137
Filename:
MD88/90 Limitations
Updated:
2016-10-07 00:19:11
Tags:
MD88 90 Limitations
Folders:
MD88/90 Limitations
Description:
MD88/90 Limitations
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