ATR 42 Limitations Flashcards

1
Q

Minimum Crew

A

2

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2
Q

Max Operating Altitude/Flight Level

A

25000FT/FL250

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3
Q

Maneuvering Limit Load Factors

A
  1. Flaps Retracted +2.5G to -1G
  2. Flaps Extended +2.0 to 0G
  3. Gear Down +2.0 to 0G
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4
Q

Cargo Door Operation

A

Do not operate with more than 45KT Crosswind Component.

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5
Q

Maximum Runway Slope

A

2%

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6
Q

Maximum Tailwind Limit for TO & Landing

A

15KT

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7
Q

Maximum Demonstrated Crosswind

A

Take Off (Flaps 15) 45KT

Landing (Flaps 30) 38KT

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8
Q

Towing

A

Using a non-tow bar system for towing is prohibited

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9
Q

Taxiing

A

Pivot turns with wheels fully braked is prohibited unless required by an emergency.

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10
Q

Holding

A

Holding in icing conditions with flaps extended is prohibited(except for single engine operations)

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11
Q

Max Taxi Weight (MTW)

A

37633 lbs

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12
Q

Max Take-Off (MTOW)

A

37258 lbs

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13
Q

Max Landing Weight (MLW)

A

36155 lbs

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14
Q

Zero Fuel Weight (ZFW)

A

34259 lbs

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15
Q

Maximum Operating Speed

A

VMO 250 KT IAS/ MMO .55

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16
Q

Design Maneuvering Speed

A

VA 160 KT IAS

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17
Q

Maximum Flap Extended

A

FLAPS 15 170 KT IAS

FLAPS 30 150 KT IAS

FLAPS 45 130 KT IAS (Emergency ONLY, not used for operation)

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18
Q

Maximum Landing Gear Speeds

A

VLO 160 KT IAS (operating speed)

VLE 170 KT IAS (extended speed)

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19
Q

Rough Air Speed

A

VRA 180 KT IAS

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20
Q

Windshield Wiper Speed

A

VWO 160 KT IAS

21
Q

Maximum Tire Speed

A

165 KT Ground Speed

22
Q

Minimum Control Speed Landing Configuration
(Pratt Whitney 120 Engine)

A

VMCL FLAPS 15 89 KT IAS

VMCL FLAPS 30 87 KT IAS

23
Q

Minimum Control Speed Landing Configuration
(Pratt Whitney 121 Engine)

A

VMCL FLAPS 15 91 KT IAS

VMCL FLAPS 30 89 KT IAS

24
Q

Fuel Quantity

A

4960lbs/tank (9920 lbs total fuel)

25
Q

Maximum Refueling Pressure

A

50 PSI (3.5 bars)

26
Q

Fuel Type

A

JP-4 & Jet B are Prohibited

27
Q

Maximum Fuel Imbalance

A

1212 lbs

28
Q

ITT Limitations: PW 120 Engine
RESERVE TAKEOFF

A

TIME LIMIT: 5 Min
Torque 105%
ITT 816 degree
NH 100%
NP 101%
Oil Pressure (psi) 55-65
Oil Temp 0-115 °C (3)

29
Q

ITT Limitations: PW 120 Engine
TAKEOFF

A

TIME LIMIT: 5 Min
Torque 92%
ITT 785 degree
NH (*) %
NP 101%
Oil Pressure (psi) 55-65
Oil Temp 0-115 °C (3)

30
Q

ITT Limitations: PW 120 Engine
MAXIMUS CONTINOUS

A

TIME LIMIT: None
Torque 85%
ITT 785 degree
NH 100%
NP 101%
Oil Pressure (psi) 55-65
Oil Temp 0-115 °C (3)

31
Q

ITT Limitations: PW 120 Engine
GROUND IDLE

A

TIME LIMIT:
Torque:
ITT:
NH 62MIN
NP
Oil Pressure (psi) 40 MIN
Oil Temp -54-115 °C (3)

32
Q

ITT Limitations: PW 120 Engine
HOTEL MODE (5)

A

TIME LIMIT:
Torque:
ITT: 785 °C
NH
NP
Oil Pressure (psi) 40 MIN (4)
Oil Temp -54-115 °C (3)

33
Q

ITT Limitations: PW 120 Engine
STARTING

A

TIME LIMIT: 5s (2)
Torque:
ITT: 950 °C
NH
NP
Oil Pressure (psi)
Oil Temp 54 min °C (7)

34
Q

ITT Limitations: PW 120 Engine
TRANSIENT

A

TIME LIMIT: 10MIN (1) (2)
Torque: (1) 112.5 (2) 125
ITT: 850 °C
NH 102%
NP 110%
Oil Pressure (psi) 40-100
Oil Temp

35
Q

Propeller Ground Operation Limitations

A

-ENGINE RUN-UP MUST BE PERFORMED INTO THE WIND
-DURING ECU-OUT OPERATION, WITH WINDS ABOVE 15 KTS FROM ANY DIRECTION, AVOID STATIC OPERATION BETWEEN 41% AND 65%-NP EXCEPT FOR PASSING THROUGH DURING START-UP AND SHUT-DOWN.
-AVOID OPERATION IN FEATHER ABOVE 50%

36
Q

Minimum NP% in Icing conditions

A

86%

37
Q

Starter Time Limits:

A

3 Start attempts with combined star

38
Q

MAX DIFFERENTIAL PRESSURE

A

6.35 PSI

39
Q

MAX NEGATIVE DIFFERENTIAL PRESSURE

A

-0.5 PSI

40
Q

MAX DIFFERENTIAL PRESSURE FOR LANDING

A

0.35 PSI

41
Q

MAX DIFFERENTIAL PRESSURE FOR OVBD VALVE FULL OPEN SELECTION

A

1.0 PSI

42
Q

MAX BLEED-OFF OPERATION

A

20,000 FT

43
Q

DC GEN MAX LOAD

A

400 A NONE
600 A 2 MINUTES
800 A 8 SECONDS

44
Q

INV MAX LOAD

A

500 VA NONE
575 VA 30 MINUTES
750 VA 5 MINUTES

45
Q

ACW GEN MAX LOAD

A

20 KVA NONE
30 KVA 5 MINUTES
40 KVA 5 SECONDS

46
Q

MINIMUM HEIGHT FOR AP ENGAGEMENT AT TAKE OFF

A

100 FT

47
Q

MIN HEIGHT FOR USE of either AP or FD:

A

-except during take off or executing an approach: 1000ft
- VS or IAS mode during approach: 160 Ft
- CAT 1 APP mode: 160 ft
VOR APP MODE (AP or FD) IS AUTHORIZED ONLY IF:
- A COLOCATED DME IS AVAILABLE, AND DME HOLD IS SELECTED

48
Q

LOADING CONSTRAINTS

A

-Tailstand must be installed for loading and unloading
-may be loaded through the forward cargo door only as long as there is a minimum of 1000lbs of fuel and
- The cumulative load in cargo zones 5-8(long cabin) or 5-7(short cabin) is not more than 7000lbs
-for cumulative weights greater than 7000lbs in the above zones, both the front and back doors must be used simultaneously for loading.