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MD80 > Limitations > Flashcards

Limitations Flashcards

0
Q

Flaps down load limit

A

+2 to 0 g

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1
Q

Flaps up load limit

A

+2.5 to -1 g

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2
Q

Runway slope–takeoff

A

+1.7% to -2.0%

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3
Q

Runway slope–landing

A

+2.0% to -2.0%

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4
Q

Max tailwind

A

10 knots

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5
Q

Max crosswind

A

30 knots

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6
Q

Max and Min takeoff/landing press alt

A

8500 and -1000

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7
Q

Max and Min takeoff/landing temp

A

+50 C and -54 C

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8
Q

Landing gear (extension and extended) speed

A

300 kts /.70M

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9
Q

Landing gear retraction

A

250 kts/.70M

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10
Q

Max operating speed

A

340 kts/.84M

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11
Q

Flap placard speeds

A 
Flap Position Limiting Speed 
0° – 13° 280 kts 
14° – 20° 240 kts 
21° – 25° 220 kts 
26° – 27° 200 kts /205 kts (MD-83) 
28° – 40° 195 kts /200 kts (MD-83)

or .57M

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12
Q

Slats extended

A

Mid pos–280kts/.57M

Full ext–240kts/.57M

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13
Q

Turbulence penetration speed

A

275 to 285 kts OR .75 to .79 M

Below 10,000:
250 kts or min maneuvering speed

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14
Q

Max ramp weight

A

MD-83 ………161,000 lbs

MD-82 ………150,500 lbs

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15
Q

Max takeoff weight

A

MD-83 …………160,000 lbs

MD-82 …………149,500 lbs

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16
Q

Max landing weight

A

130,000 lbs

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17
Q

Max zero fuel weight

A

122,000 lbs

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18
Q

Cabin pressurization

A

Max cabin diff P…………8.07 psi (TWA 7.77 psi)

Max emergency pressure relief…….8.32 psi

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19
Q

Max ALT unpressurized flight (following depress)

A

14,000

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20
Q

Max ALT dispatched unpressurized

A

10,000

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21
Q

APU Air Switch must be OFF for all in flight operations

A

APU Air Switch must be OFF for all in flight operations

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22
Q

When starting engines with APU supplying pneumatic pressure, Air Conditioning Supply Switches must be OFF. While starting the second engine, the Air Conditioning Supply Switch for the operating engine may be in a position other than OFF if its Pneu X-Feed Valve Lever is CLOSED.

A
  • APU operational envelope is the same as the airplane.

* Maximum altitude for APU operation is FL 350.

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23
Q

APU:

Starter Motor Duty Cycle

A

One attempt followed by 5 minutes off (first attempt)
One attempt followed by 5 minutes off (second attempt)
One attempt followed by 1 hour (60 minutes) off (third attempt)

NOTE: Starter duty cycle begins with first indication of RPM

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24
Q 
APU:
max EGT (AFM)
A

Starting……………….100%
Max continuous……100%
Transient …………….106%

(TWA Airplanes)
Starting………………..760°C for 30 seconds
Max Continuous …..630°C
Transient ……………..663°C

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25
Q

APU:

Max rotor speed

A

Max rpm 108% (TWA 110%)

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26
Q

Autothrottle

A

Autothrottle must be disconnected if engine stall (surge) is detected during takeoff.

27
Q

Autopilot

A
  • When using autopilot, Captain or First Officer must be in their seat with safety belt fastened so if the autopilot malfunctions, they can regain airplane control immediately.
  • Do not conduct a coupled (ILS or AUTOLAND) approach if AP TRIM Light is illuminated in excess of three seconds after airplane is stabilized and tracking glide slope
28
Q

Minimum Altitude for Autopilot use

A

Enroute: Including climb and descent (excluding approaches)………………500 ft AFL

Approaches:
-Automatic Landings…………..NONE

-ILS Coupled Approaches (other than automatic landings)
IFR………70 ft AFL
VFR……..50 ft AFL

-NON ILS/RNAV…….50 ft below MDA

29
Q

Automatic landings–do not conduct IF:

A
  • Align (ALN) mode is not displayed on FMA by 100 feet radio altitude.
  • Either engine becomes inoperative at an altitude greater than 50 feet above runway.
  • Automatic Ground Spoilers are not armed and operational.
  • Any unusual control position or other abnormal conditions exists in the manual flight control system.
  • RUDDER CONTROL MANUAL Light is illuminated.
  • Landing overweight
30
Q

Automatic landings–requirements (Airplane)

A

• The airplane is fully capable of Autoland when either:
– LMP STATUS Placard Holder – EMPTY or
– if the MEL 22-90 pocket (right side) is placarded requiring a Flight Confidence Check (FCC)
• An Autoland Pre-Flight Test must be accomplished on any DFGC to be used for an automatic landing on that flight. (AFM)
• Auto-flight system operational requirements for use of AUTOLAND are satisfied. Refer to SYSTEMS – Autoflight – Autopilot Operational Requirements

31
Q

Automatic landings–requirements (Runway)

A

• Do not autoland on a runway that the localizer is unusable inside the runway threshold or localizer is unusable for rollout guidance

32
Q

Automatic landings–requirements (Wind)

A
  • 25 knots Maximum Headwind
  • 10 knots Maximum Tailwind
  • 15 knots Maximum Crosswind (may be further reduced by FM Part I, crosswind limitations).
33
Q

RVSM

A

Manual switching to the alternate static system is prohibited for RVSM operation.

34
Q

Boom Mics

A

Boom mics, if operative, must be used below 18,000 feet on airplanes having a placard stating this requirement installed on the Captain’s and First Officer’s instrument panel. Refer to MEL if Boom Microphones inoperative

35
Q

Generator Load

A

Engine Generators:
Normal…………………Less than 1.0
Normal Max ………..1.5 for 5 min
Peak …………………..Over 1.5 for 5 sec

APU Generator Max (AFM):
Ground………………..1.25

In Flight:
Below FL 250………..1.0
FL 250 – FL 300 ……0.7
Above FL 300………..0.625

36
Q

Generator Volts and Freq

A

115V +/- 8V

400 Hz +/- 20 Hz

37
Q

Battery Limits

A

Fully charged batteries will supply Emergency Power for approximately 30 minutes.

Normal Voltage ………………………..25-33 V
Min Voltage – Emer Pwr
Sel ON (battery under load) ……25V
Amps Charging ……………………….0-40 Left
Amps – Emer Pwr Sel ON ………..10-50 Right

38
Q

DC Bus Limits

A

Voltage…….22-30V

Load………..1.0

Normally the maximum difference between the two indications should not exceed 0.3 and both loadmeters should indicate some load.

39
Q

Engine RPM

A

Reserve thrust–Red radial line

Max thrust–Orange radial line

40
Q

Engine EGT–Starting

A

Ground–500 deg C–momentary
Flight–625 deg C–momentary

If EGT limit of 500°C is exceeded for any period of time (on ground), immediately shut down the engine. Record peak EGT and duration of overtemp in the E6. Maintenance action is required

41
Q

Engine EGT–Takeoff

A

Reserve thrust:
625–5 min
Red radial line (630)–2 min

Max thrust:
590–5 min
Orange radial line (595)–2 min

Use of takeoff thrust (Max and / or Reserve) must not exceed 5 minutes. If any EGT limit (takeoff / in flight) is exceeded, refer to QRH – ENGINES - EGT Inoperative or Reads High.

42
Q

Engine EGT–Max cont/climb and Max cruise

A

Max cont/climb–Below amber arc (580)–continuous

Max cruise–540–continuous

43
Q

ART (Automatic Reserve Thrust) system

A

ART system must be off when using T.O. FLX mode (Standard Thrust) of thrust rating system

44
Q

Minimum Oil Quantity per engine for dispatch

A
  • Flights scheduled for 4 hours or greater – 12 qts

* Flights scheduled for less than 4 hours – 4 qts plus 2 qts per hour

45
Q

Oil Temp

A

Maximum Continuous……..Less than Amber Arc (TWA, SDP – 135°)

Maximum for 15 minutes…….Amber Arc (TWA, SDP – 135°-165°C)

46
Q

Oil press

A

Normal–green arc (40-55 psi)
Undesirable–Amber arc (35-40 psi)
QRH–below red radial line (35 psi)

Cold wx, outside green arc may occur until warm. Limit to idle thrust.

47
Q

Oil consumption

A

If oil consumption of any engine is more than one quart per hour, make E6 entry. Maintenance sign-off of entry is required at next point of landing. However, sign-off may authorize continued flight to further verify consumption rate before corrective action is taken

48
Q

Approach Idle Control

A

When operating with the Approach Idle Control System failed to the Approach Idle (High) mode on one or both engines, the ART system must be activated (solenoids actuated) prior to taxi for takeoff and prior to taxi after landing

49
Q

Reverse Thrust

A

• Do not operate thrust reversers in flight. ***

• When using reverse thrust for power back:
– Do not exceed 1.3 EPR. ***
– Ramp slope limit range +1% to -2%.
– Thrust reversers on both engines must be operative.
– Application of brakes while backing is prohibited. – Powerback not authorized when loose dry snow, slush, or melting ice is on ramp surface or during periods of heavy rain

50
Q

Starter Duty Cycle

A

First Attempted Start……….90 sec on, 5 min off

May consist of 90 second motoring cycle or three normal 30 second start cycles in succession. Check N2 has decreased to zero between each start attempt.

Subsequent attempts……….30 sec on, 5 min off

51
Q

Engine Synchronization

A

Eng Sync Selector must be OFF below 1500 feet AGL.

52
Q

Flaps

A

Do not use flap settings BETWEEN 13 and 15

53
Q

Ground Spoilers

A

Do not arm spoiler lever prior to gear extension

54
Q

Speed Brakes

A
  • Use Speed brakes only in UP / RET or 0 / EXT configuration. (AFM)
  • Do not extend or retract gear while speed brakes are deployed. (AFM)
  • Moving Spd Brk / Spoiler Lever beyond EXT position in flight is prohibited. Full aft position is for ground use only
55
Q

Maximum fuel imbalance

A

Main Wing Tanks ………….1500 lbs

Aux Tanks …………..400 lbs

56
Q

Hydraulics pumps–takeoff and landing

A

Trans Hyd Pump …………..ON
L Eng Hyde Pump………..HIGH
R Eng Hyd Pump ………..HIGH
Aux Hyd Pump………………ON

57
Q

Fuel and Aux Hyd CBs

A

No reset in flight

Mx contact on ground

58
Q

Icing Conditions–ground and takeoff

A
  • RAT is 6°C (42°F) or below and visible moisture in any form is present (such as clouds, fog with visibility one mile or less, rain, snow, sleet and ice crystals).
  • RAT is 6°C (42°F) or below when operating on ramps, taxiways, or runways where surface snow, standing water, or slush may be ingested by the engines or freeze on the engines, nacelles, or engine sensor probes.
  • RAT is 6°C (42°F) or below and the temperature – dew point spread is 3°C (5°F) or less.

NOTE: One Engine Taxi is authorized if no significant precipitation (snow, sleet or freezing rain) is occurring that could adhere to or collect in the engine inlet

59
Q

Icing Conditions–In Flight

A

RAT is 6°C (42°F) or below and visible moisture is present in any form (such as clouds, rain, snow, sleet and ice crystals

60
Q

Engine Anti-Ice

A

For ground, takeoff, and flight operations, engine anti-ice system must be on when icing conditions exist or are anticipated

61
Q

Air Foil Anti-Ice

A

• In flight, airfoil anti-ice should be used when Icing Conditions exist or are anticipated.
• Do not use until reaching 1000 feet AFL after takeoff.
• Minimum duct pressure for airfoil anti-ice is 20 psi.
• When penetrating or operating in icing conditions in flight, maintain sufficient thrust to keep associated (L or R) ICE PROTECT TEMP LOW Light extinguished.
• Application of Tail De-ice is required:
– Once every 20 minutes
– One minute prior to extension of landing flaps
– After leaving icing conditions, prior to turning system off

62
Q

Brake Temperature

A

Do not takeoff if any brake temp exceeds 205°C. **

Max Temp to Set Parking Brakes………….300°C

63
Q

Brake Wear Limits

A
  • MD-82 – flush or greater.

* MD-83 – 1/2 inch or greater.

64
Q

Max tire speed

A

195 knots

MD80 (2 decks)

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