MD-88/90 Limitations Flashcards

1
Q

Maximum Takeoff and Landing Tailwind Component

A

10 kts

Or as permitted by Delta Special page

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2
Q

Maximum Operating Altitude

A

37,000 feet

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3
Q

Maximum Takeoff and Landing Pressure Altitude

A

8,500 feet

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4
Q

Maximum takeoff and landing crosswind component

A

30 kts (including gusts)

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5
Q

Turbulent air penetration speed

A

Lower of:

280 +- 5 kts
.77 +- .02M

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6
Q

Wing landing lights cooling

A
  1. 5 minutes after initial extension or retraction
  2. 5 minutes after subsequent extension or retraction

Lamps should be off in still air periods greater than 10 minutes

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7
Q

Maximum Taxi Weight (MTW)

A

-88 150,500
-90 166,500
9219 168,500

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8
Q

Maximum Takeoff Weight (MTOW)

A

-88 149,500
-90 166,000
9219 168,000

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9
Q

Maximum Landing Weight (MLW)

A

-88 139,500
-90 142,000
9219 142,000

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10
Q

Maximum Zero Fuel Weight (MZFW)

A

-88 122,000
-90 132,000
9219 132,000

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11
Q

Maximum relief valve pressure

A

8.32 PSI

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12
Q

Maximum 🔼 P

A

8.07 PSI

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13
Q

Autopilot engagement

A

Do not engage on takeoff below 400 AGL

Non-ILS approaches, disconnect no later than 50ft below MDA

Coupled approaches not using autoland, disconnection required if AP TRIM light is on 3 seconds after stabilized and on glideslope

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14
Q

FMS Vertical and Lateral Engagement

A

NAV must not be engaged to FD or AP in climb until above 400 AGL

VNAV must not be engaged to FD or AP in climb until above 1000 AGL

NAV and VNAV must be manually engaged for landing approach when below 400 AGL

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15
Q

Autoflight (OEI)

A

Coupled ILS approaches not permitted. Disconnect prior to GS capture

Use of windshear guidance is prohibited

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16
Q

Autoland

A

Flaps 28 or 40 only
Successful preflight of associated DFGC
Missed required if AP TRIM is on longer than 3 seconds after stabilized and tracking GS

17
Q

Autoland prohibited

A

ALIGN not annunciated on an FMA by 100 RA
OEI above 50 feet AFE
Abnormalities in manual flight control system
Autospoilers inop
Both buses powered by single generator

18
Q

Autoland Wind Speeds

A

Headwind 25 knots
Crosswind 15 knots
Tailwind 10 knots

19
Q

AC voltage range

A

115 +-3 volts

20
Q

AC generator loads

A

0-1.0 continuous

  1. 0-1.5 5 minute maximum
  2. 5 + 5 second maximum
21
Q

Same side DC loadmeters

A

.3 maximum difference

22
Q

DC load range

A
  • 88 0 to 1.0

- 90 0 to 1.5

23
Q

Automatic Reserve Thrust (ART)

A

Must be off when using flex thrust

24
Q

Engine Ignition (required on)

-88

A
Takeoff
Landing
Turning engine anti-ice on/off
Severe turbulence
Heavy rain
25
Q

Engine Ignition (required on or auto)

-90

A

Auto
Takeoff
Landing

On
Severe turbulence
Heavy rain

26
Q

Engine starter limits

-88

A

90 cumulative seconds
-may be 3 normal starts of 30 seconds each if engine allowed to stop turning

5 minutes off for cooling

30 seconds on and 5 minutes off subsequently

27
Q

Engine starter limits

-90

A

3 attempts of 2 minutes each with 15 seconds in between

OR 4 minutes continuous cranking

30 minutes for cooling

28
Q

Engine synchronization

A

Off below 1,500 AFE

29
Q

APU starter limits

A

3 attempts with 5 minutes between

One hour off after third attempt

30
Q

Speedbrakes

A

May not be used with flaps extended

Do not extend gear with speedbrakes extended

31
Q

Rudder

A

Must be powered and unrestricted for takeoff

32
Q

Spoilers

A

Do not arm prior to gear extension

33
Q

Flap/slat extension speeds (Delta)

A

Slats mid/flaps 11 280/.57 Mach
Slats full/flaps 15 240/.57 Mach
Slats full/flaps 23. 220/.57 Mach
Slats full/flaps 28/40 200/.57 Mach

34
Q

Altimeter crosscheck

A

60 feet between CA and FO

75 feet between either CA or FO & field elevation

200 between CA and FO in RVSM airspace

35
Q

Inertial Reference System (IRS)

A

At least one MCDU required for ground alignment

Autoland inhibited in ATT or off mode

EGPWS must be in OVRD in ATT mode

36
Q

Lateral fuel imbalance

A

1500 pounds between main tanks

37
Q

Fuel heat

A

OFF for takeoff, landing and go-around