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CH47D > Limitations > Flashcards

Limitations Flashcards

1
Q

PTIT Limits
MAX CONTINUOUS

A

816°C

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2
Q

PTIT Limits
Maximum for not more than 30 min

A

854°C

(816-854)

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3
Q

PTIT Limits
Maximum for not more than 10 min

A

899°C

(854-899)

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4
Q

PTIT Limits
Maximum for not more than 2.5 min

A

932°C

(899-932)

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5
Q

PTIT Limits
Maximum for not more than 12 sec

A

943°C

(932-943)

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6
Q

ENG Oil Pressure
Minimum at Ground Idle

A

5 PSI

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7
Q

ENG Oil Pressure
Minimum at 80-95% N1 (NG)

A

35 PSI

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8
Q

ENG Oil Pressure
Minimum at 95% N1 or above

A

50 PSI

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9
Q

ENG Oil Pressure
Normal operation

A

35 - 90 PSI

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10
Q

ENG Oil Pressure
Maximum At Emergency Power

A

110 PSI

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11
Q

ENG Oil Pressure
Maximum for cold wx starts

A

150 PSI

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12
Q

Aircraft Certification

4

A
  1. Agricultural Use
  2. Forest and Wildlife Conservation
  3. Other special-purpose Operations
    (a) External load (no HEC)
    (b) No internal cargo for comp/hire
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13
Q

ENG Oil Temperature Limit

A

149°C

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14
Q

ENG 1 or 2 XMSN HOT
Temp

A

190°C

ECL - STOP
Affected Engine - Check for Fire
If Fire Present:
Fire pull handle
Agent discharge
LAND - ASAP

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15
Q

XMSN OIL HOT

A

140°C

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16
Q

Transmission Oil Pressure Limits
Minimum at ground idle

A

7 psi

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17
Q

Flight Hydraulic System operation range
(Psi)
2 part

A

2500 - 3200 psi normal operation

HYD 1/2 will display below 1800 psi

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18
Q

Torque Limitations
(Dual and Single engine)

A

100% Dual Engine Maximum

123% Single Engine Maximum

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19
Q

Starting Limits with tailwind
APU & Main engines

A

25kts & 10kts

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20
Q

Rotor Limitations
Normal Operation

A

97 - 101%

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21
Q

Rotor Limitations
Maximum Transient Pwr On

A

106%

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22
Q

Rotor Limitations
Maximum Pwr Off

A

108%

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23
Q

Rotor Limitations
Maximum Transient Pwr Off

A

111%

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24
Q

Rotor Limitations
Minimum Transient

A

91%

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25
Q

CGI Limitations
With Inoperative CGI

A

Flight below 98% NR Prohibited

26
Q

CGI Limitations
Time limit in Yellow or Red band

A

45 seconds
Before a write up is required

27
Q

Maximum Airspeed
Crosswind or sideward flight

28
Q

A Dual FADEC failure may occur when rearward flight or tailwind exceeds

29
Q

Maximum Airspeed
Rearward flight

30
Q

Maximum tailwind for hover

31
Q

Maximum Airspeed
Open and close
Lower section of cabin door

32
Q

Maximum Airspeed
Closing upper section of cabin door

33
Q

Windshield wipers must be off above

34
Q

Left side cabin escape hatch
Shall NOT be removed or installed

A

In forward flight

35
Q

Transmission Oil Pressure Limits
Normal operating range

A

20 - 90 psi

36
Q

Transmission Oil Pressure Limits
Minimum pressure at 100% RRPM

37
Q

Max rated HP for 10 minutes?

A

4867 HP

854º - 899º

38
Q

Max rated HP single engine?

39
Q

Rescue hatch door shall not be opened or closed above

40
Q

Maximum rate for pressure refueling

A

300 gpm at 55 psi

41
Q

Aerobatics Prohibition
- Intentional maneuvers beyond

(pitch and roll limit)

A

+/- 30° pitch and/or 60° roll

42
Q

Center hook limit

43
Q

FWD or AFT hook max limit

A

17K

(Tandem load 25K)

44
Q

Tandem hook limit

45
Q

APU operation in flight is prohibited

A

Except for an emergency

46
Q

Utility Hydraulic System operation range (Psi)

A

2500 - 3500 Psi

47
Q

With an operative CGI bank angles are limited to no greater than ____?
With altitude hold On the maximum bank angle limit is ____?

A

60° CGI
45° Altitude hold

48
Q

Do not manually extend the longitudinal cyclic trims beyond the GND position on the cyclic trim indicators at airspeed below _____kts

49
Q

If a sling or hook should fail while carrying a tandem load, limit airspeed to a maximum of ____kts

50
Q

Contingency power is ____ to ____°
Permissible for ____ occurrences
Each occurrence is ____ min or less

A

900 - 932°
4 occurrences
2.5 minutes

51
Q

Pitot Heat shall not be on for more than ____ min on the ground

52
Q

Maximum nose-up attitude during landing is ____° and the maximum ground speed for run on is ____ kts

A

20°

60 kts

53
Q

VNE for single AFCS failure is ____kts

VNE for dual AFCS failure is ____kts

A

100 kts

160 kts

54
Q

Windshield heat shall not be used above ____ °C

55
Q

An N1/NG overspeed occurs at ____%
Minimum N1/NG at grnd idle ____%

56
Q

A power turbine (N2/NP) overspeed may exist when ____% RRPM/NR is exceeded. The maximum limit for the power turbine is ____%

A

106%

111.5%

57
Q

Planned operations in the Yellow PTIT range is permissible for ____min

58
Q

Gas Producer N1 (NG) Tachometer
Limit
Minimum ___% Grnd Idle
Maximum ___%

59
Q

Hydraulic Temperature Limit
(1&2 Flight Control and Utility Hydraulic)

Maximum
Caution

A

120°C Maximum

95°-120°C Caution

60
Q

Maximum Gross Weight

61
Q

With combine external and internal loads and the external load exceeds 12K, position the internal load?

A

Forward of the utility hatch

62
Q

VNE with bubble windows

CH47D (5 decks)

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