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Twin Otter > AOI > Flashcards

AOI Flashcards

1
Q

Prolonged use of the _____ position will significantly reduce the life of the engine igniters.

A

Manual

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2
Q

In which 3 conditions will the igniters be set to Manual?

A

Extreme turbulence
Heavy precipitation
Severe icing

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3
Q

L/R ENGINE OIL PRESSURE lights illuminate at what pressure?

A

40-42 psi

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4
Q

After L/R ENGINE OIL PRESSURE lights illuminate, they will extinguish at what pressure?

A

44-46 psi

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5
Q

What % Ng is required for intake deflector extension?

A

80%

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6
Q

Propeller pitch angle range

A

-15 (reverse) to +87 (feather)

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7
Q

Propeller pitch angle beta range

A

-15 to +17

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8
Q

The propeller power level _____ prevents movement of the levers beyond the idle stop if both propeller levers are positioned at less than _____ prop rpm.

A

91%

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9
Q

Propeller overspeed governor setting (Np)

A

101.5%

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10
Q

Propeller overspeed governor test switch Np

A

70 ± 2%

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11
Q

Flap/Elevator Interconnect Trim Tab function

A

Automatic adjustment of elevator trim when the flaps are operated beyond 10

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12
Q

The STALL warning activates at _____ kts above stall speed.

A

4-9

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13
Q

AVGAS is for emergency use only and must be limited to _____ hours per engine overhaul cycle.

A

150

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14
Q

Forward tank fuel capacity

A

1178 lbs

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15
Q

Aft tank fuel capacity

A

1280 lbs

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16
Q

FWD FUEL LOW LEVEL light illuminates at _____ lbs

A

75

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17
Q

AFT FUEL LOW LEVEL light illuminates at _____ lbs

A

110

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18
Q

Wing tanks shall be full when AUW is above _____ lbs

A

12 500

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19
Q

Normal hydraulic operating pressure

A

1225-1625 psi

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20
Q

True/False
In some cases, the brake accumulator and check valve in the hydraulic system allow for brake use in the event of a loss of fluid.

A

True

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21
Q

With the temp control switch in _____, two pressure switches can override heat control to retain air pressure for operation of the _____ system.

A

AUTO
De-icing system

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22
Q

In MANUAL temperature control mode, the hot air valve takes approximately _____ seconds to motor from fully closed to fully open.

A

30

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23
Q

Life preservers for the pilot and copilot are stowed _____

A

beneath their respective seats.

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24
Q

Life preservers for the FE and other crew/passengers are stowed _____

A

beneath the FE seat.

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25
Q

When the DC master switch is in the OFF position, no power is supplied to any bus except the _____

A

main battery bus.

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26
Q

Battery voltage and capacity

A

24 V
40 A.hr

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27
Q

With both generators failed and all unnecessary electrics off, battery capacity will support _____ minutes of IFR operation.

A

30

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28
Q

RCCB current limit

A

450 A

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29
Q

Generator rating

A

28.5 ± 0.2 V
200 A

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30
Q

Airborne generator load limit

A

1.0

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31
Q

Minimum Ng for satisfactory light up on engine start

A

12%

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32
Q

Ignition on start must take place within _____ seconds of introducing fuel.

A

10

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33
Q

During engine start after boosting, generator load must be below _____ before reducing power to idle.

A

0.5

34
Q

Generator assisted starts are _____ except in an emergency.

A

Prohibited

35
Q

Generator assisted starts could cause _____ in the generator brushes.

A

contact welding

36
Q

If the battery needs to be charged between engine starts, the DC loadmeter (battery) must read _____ or less before continuing.

A

0.4

37
Q

Generator loadmeter limit on the ground in temperatures from 9° to 52°C

A

0.8

38
Q

Unusual Attitude Recovery Mode automatically displays on the PFD when the pitch exceeds _____ or roll exceeds _____ degrees.

A

±30
65

39
Q

The skyway is based solely on _____.

A

GPS

40
Q

The Speed Trend Indicator shows what the aircraft velocity will be in _____ seconds.

A

10

41
Q

Lateral transport rate (changes in longitude) can be adjusted by the operator in which 2 ways?

A

Slew switch in DG
Temporarily selecting MAG mode

42
Q

When operating in ATT mode, after transition from DG to MAG, the system must be operated under low dynamic flight conditions for at least _____ minutes.

A

2

43
Q

What data will be shown when pressing the AHRS TEST button?
Heading: _____ degrees
Pitch: _____ degrees nose up
Roll: _____ degrees right bank

A

15
5
45

44
Q

Which button must be pressed on the SAT Phone to enter call mode?

A

HOOK

45
Q

Pitot heat is limited to _____ on the ground.

A

1 minute

46
Q

At temperatures of _____ °C and above, engines shall be ground operated with the aircraft into wind and operation other than positive thrust is limited to _____ or less.

A

32
1 minute

47
Q

Ng for boosting

A

Idle + 15%

48
Q

Wing tank refueling is _____ in flight.

A

prohibited

49
Q

Do not select or release the _____ switch with the power levers out of the idle position.

A

Propeller Overspeed Test

50
Q

If the FUEL LOW LEVEL light illuminates during wing tank refueling when the known quantity is greater than 330 lbs, the wing tank refueling switches shall be moved to the _____ position.

A

OFF

51
Q

Procedures if encountering severe turbulence or heavy precipitation:
Take alternative action
Reduce airspeed to _____ max
Select ignition switch to _____
_____ in heavy precipitation
Maintain _____ rather than attempting to maintain constant airspeed

A

132 KIAS
MANUAL
Extend intake deflectors
power settings and pitch attitude

52
Q

_____ must be operative to perform a STOL take-off.

A

Auto feather

53
Q

If the rate of ice accumulation reduces the cruising speed by _____ KIAS, alternative action must be taken.

A

10

54
Q

Max flap setting in icing conditions

A

10°

55
Q

Min engine oil temperature on start

A

-40°C

56
Q

Max oil temp when idling with feathered propeller

A

105°C

57
Q

Vmc for land plane config
wheel-ski plane config

A

64 KIAS
65 KIAS

58
Q

When a propeller has auto feathered, do not retard the power lever to idle until

A

the prop lever is selected to feather and confirmed to be feathered.

59
Q

True/False
Immediately pull the BETA SYS c/b after the BETA RANGE light illuminates. Why or why not?

A

False. This is to confirm if it is a STEADY or INTERMITTENT light

60
Q

If the oil pressure indicates less than _____ PSI at _____% Ng or greater, reduce Ng on the affected engine to 75% or less.

A

80
80

61
Q

Number of generator reset attempts allowed

A

2

62
Q

Maximum landing weight

A

12 300

63
Q

At temperatures below -29°C, landing weight shall be reduced linearly to a maximum of _____ lbs at _____°C.

A

11 800
-40

64
Q

Torque limits (PSI)
Take-off
Max climb/cruise
Acceleration (time limited 2 sec)
Max reverse

A

50
50
68.8
50

65
Q

ITT limits (°C)
Take-off
Max climb/cruise
Idle
Starting
Acceleration
Max reverse

A

Take-off 725
Max climb/cruise 695
Idle 625
Starting 1090
Acceleration 825
Max reverse 725

66
Q

Reverse power operation is limited to _____

A

1 minute

67
Q

Ng Limits (%)
Take-off
Acceleration
Max reverse

A

101.5
102.6
101.5

68
Q

Np Limits (%)
Take-off
Max climb/cruise
Acceleration
Max reverse

A

96
96
110
91 ± 1

69
Q

Oil Px Limits (PSI)
Take-off
Max climb/cruise
Idle
Max reverse

A

80-100
80-100
min 40
80-100

70
Q

Oil Temp Limits (°C)
Take-off
Max climb/cruise
Idle
Starting
Acceleration
Max reverse

A

10-99
10-99
-40-99
min -40
0-99
0-99

71
Q

Vfe 10° at 12 500 lbs

A

103 KIAS

72
Q

Vfe >10°

A

93 KIAS

73
Q

Maneuvering and gust penetration speed

A

132 KIAS

74
Q

Vxse 10° flap

A

83 KIAS

75
Q

Vmo at Sea level (12 500 lbs)
at 10 000’ MSL

A

166
156

76
Q

100% Np in RPM

A

2105

77
Q

Below _____ MSL, the engine driven fuel pump should provide adequate fuel pressure through suction in the case of a double boost pump failure.

A

8000’

78
Q

True/False
External power can energize the DC buses during generator operation.

A

False

79
Q

Load/G limit

A

+3.19 to -1.63

80
Q

Ensure propeller levers are feathered for _____ prior to shutdown to allow for _____.

A

1 minute
oil scavenging

Twin Otter (4 decks)

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