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IERW - Schmitt > UH-72 Limitations > Flashcards

UH-72 Limitations Flashcards

1
Q

Minimum Flight Crew

A

One Pilot

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2
Q

Maximum Flight Crew

A

11 Persons including Flight crew

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3
Q

Max Gross Weight

A

3585 kg (7905 lbs)

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4
Q

Minimum Gross Weight

A

1750 kg (3859 lbs)

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5
Q

Loading Limit per m^2

A

600kg

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6
Q

Tiedown ring limit

A

70kg

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7
Q

Vne <3000 kg (PA 0, OAT -45 - +50 °C)

A

150 KIAS

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8
Q

Vne >3000 kg (PA 0, OAT -45°- +30°C)

A

145 KIAS

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9
Q

Vne >3000 kg (PA 0, OAT +40 - +50°C)

A

140 KIAS

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10
Q

Vne OEI

A

110 KIAS

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11
Q

Vne Autorotation

A

90 KIAS

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12
Q

Max operating altitude

A

18.000 ft PA

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13
Q

Max hover altitude

A

18.000ft DA or 18.000 ft PA whichever is less

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14
Q

Flights with closed NACA outlets

A

max. 30 min

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15
Q

Minimum OAT w/ or w/o cold weather kit or Bleed air heating defective

A

-45°c or -30°C or +10°C

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16
Q

Max. air temp

A

ISA +35°C (max. 50°C)

If OAT >35°C lower cockpit temp via ventilation. Max operating time on ground is 30 min.

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17
Q

Battery temp limits

A

Battery at least -20°C

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18
Q

Rotor RPM LIMITS
Minimum transient (time)

A

Power On 85% max. 20 sec
Power Off Not applicable

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19
Q

Rotor RPM LIMITS
Minimum continuous GM < 2000kg

A

Power On 96%
Power Off 80%

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20
Q

Rotor RPM LIMITS
Minimum continuous GM > 2000kg

A

Power On 96%
Power Off 85%

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21
Q

Rotor RPM LIMITS
Maximum continuous

A

Power On 104%
Power Off 104%

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22
Q

Rotor RPM LIMITS
Partial power (time)
Torque < (Value)

A

Power On 106%
Power Off 106%

Time max. 5 min
Value Torque < 2 * 30%

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23
Q

Rotor RPM LIMITS
Maximum transient (time)

A

Power On 106%
Power Off 110%
Time max. 12sec

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24
Q

Engine and Transmission Power Limits
Starting transient

(FLI marking, max TOT °C and time limit)

A

FLI 11
865°C
max. 5 sec

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25
Q

Engine and Transmission Power Limits
Starting

(FLI marking, max. TOT °C)

A

FLI 8.5
785°C

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26
Q

Engine and Transmission Power Limits
AEO Takeoff Power

(time, FLI, Torque)

A

max. 5 min
FLI 10
max. 2 x 88%

27
Q

Engine and Transmission Power Limits
AEO Max. Continuous Power

(FLI, Torque)

A

FLI 8.5
max. 2 x 71%

28
Q

Engine and Transmission Power Limits
OEI 2.5 min Power

(FLI, Torque)

A

FLI 12
max. 125%

29
Q

Engine and Transmission Power Limits
OEI Max. Continuous Power

(FLI, Torque)

A

FLI 11
max. 91.5%

30
Q

Engine and Transmission Power Limits
AEO transient

(FLI, Torque, time)

A

FLI 10.5
max. 2 * 97%
max. 12 sec

31
Q

Engine and Transmission Power Limits
OEI transient

(FLI, Torque, time)

A

FLI 14
max. 140%
max. 12 sec

32
Q

Engine Oil Pressure
Minimum

A

1.3 bar

33
Q

Engine Oil Pressure
Caution Range

A

1.3 - 1.5 bar

34
Q

Engine Oil Pressure
Continuous operation

A

1.5 - 5.0 bar

35
Q

Engine Oil Pressure
Maximum continuous

A

5.0 bar

36
Q

Engine Oil Temperature
Minimum for starting

A

-45°C

37
Q

Engine Oil Temperature
Minimum for Power application

A

-10°C

38
Q

Engine Oil Temperature
Max. operating temperature

A

115°C

39
Q

Starter overheat limitations

A
40
Q

Ventilation limitations

A
41
Q

Generator

Maximum continuous load per generator

A

200 A

42
Q

Generator

Total maximum continuous load (both generators)

A

360 A

43
Q

Generator

DC System/ Generator normal operation indications

A

Voltage = 28.5 V +- 0.3 V
Current = 0 - 200 A

44
Q

Generator

DC System/ Generator abnormal or failure indications

A

Voltage < 28.2 V or > 28.8 V
Current < 0 A or > 200 A

45
Q

Main Transmission Oil Pressure

Minimum

A

1 bar

46
Q

Main Transmission Oil Pressure

Caution Range

A

1 - 1.5 bar

47
Q

Main Transmission Oil Pressure

Continuous Operation

A

1.5 - 5 bar

48
Q

Main Transmission Oil Pressure

Maximum

A

5 bar

49
Q

Main Transmission Oil Pressure

Note

A

XMSN OIL PRESS warning light illumination is acceptable in the range from 1 - 1.4 bar during pressure build-up phase

50
Q

Main Transmission Oil temperature

Continuous Operation

A

-10 - 105°C

51
Q

Main Transmission Oil temperature

Maximum

A

105°C

52
Q

Hydraulic Pressures

Minimum

A

6900 kPa

53
Q

Hydraulic Pressures

Caution Range

A

6900 - 9000 kPa

54
Q

Hydraulic Pressures

Continuous operation

A

9000 - 12.000 kPa

55
Q

Hydraulic Pressures

Upper Caution Range

A

12.000 - 12.200 kPa

(high pressure relief valve starts to open)

56
Q

Hydraulic Pressures

Maximum

A

15.000 kPa

(max. fluid flow at high pressure relief valve)

57
Q

Prohibited flight maneuvers

A

Aerobatic maneuvers
intentional full autorotation landings
flight into icing conditions, if unexpectedly entered -> leave ASAP

58
Q

Rotor Starting and stopping in high wind

A

Starting and stopping the rotor is authorized in up to max. 50 kts wind from all horizontal directions,

59
Q

Maximum Mast Moment

A

77%

60
Q

Slope operations

Ground sloping down to the left

A

11°

61
Q

Slope operations

Ground sloping down to the right

A

6°

62
Q

Slope operations

Ground sloping nose up

A

8°

63
Q

Slope operations

Ground sloping nose down (if terrain allows)

A

8°

64
Q

Second startup

A

Wait 15 seconds after N1 stopped to allow excessive fuel drain.

IERW - Schmitt (30 decks)

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