Operating Limitations Flashcards

1
Q

Torque limits: Normal range

A

0-104%

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2
Q

Torque limits: Max

A

107.8%

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3
Q

RPM: Min

A

64%

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4
Q

RPM: Normal

A

65-101.5%

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5
Q

RPM: Normal In-flight range

A

82-100.5%

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6
Q

RPM: Max

A

105.5% for 30sec

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7
Q

EGT: Min

A

300C

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8
Q

EGT: Normal In-flight range

A

350-650C

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9
Q

EGT: Max

A

675C

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10
Q

Oil temp: Normal In-flight range

A

56-110C

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11
Q

Oil temp: Max In-flight temp

A

115C

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12
Q

Oil px: Normal px operating range

A

50-120psi

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13
Q

Oil px: Max px

A

126psi

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14
Q

Fuel: Min feed px

A

16psi

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15
Q

Fuel: Normal px range

A

18-55psi

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16
Q

Fuel: Max feed px

A

60psi

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17
Q

Fuel: Normal temp range

A

-21 - 50C

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18
Q

Electrical: A/c system voltage

A

28VDC

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19
Q

Electrical: Max system voltage

A

32 V

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20
Q

Electrical: Min bus volt fuel heater auto shutoff

A

26 V

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21
Q

Aircraft performance: AOA range

A

-6 to +10

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22
Q

Aircraft performance: Vne

A

230 IAS / 249 TAS

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23
Q

Aircraft performance: Max gear in tx speed

A

135 KIAS

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24
Q

Aircraft performance: Max gear ext speed

A

160 KIAS

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25
Q

Aircraft performance: Max speed on 90F+ Climb out, 45 min

A

135 KIAS

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26
Q

Aircraft performance: Va at max weight

A

158 KIAS

-4.5 kts/ 500lbs less than max gross weight

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27
Q

Weights: Max ramp weight

A

10500 lbs

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28
Q

Weights: Max landing weight

A

8500 lbs

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29
Q

Weights: Max fuel weight

A

3764 lbs

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30
Q

AN/DAS-1: Operating temp

A

-40C to +55C

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31
Q

AN/DAS-1: Laser lockout zone

A
  • 110 - +110 Az / +5 Dep

- 180 - +180 Az/ -10 Dep

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32
Q

the deec will not allow RPM to dwell between xx.x and xx.x%

A

89.5 to 92.5

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33
Q

Normal EGT start range

A

695-700 C

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34
Q

What is the EGT max for start only?

A

770-776 C for 1 sec

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35
Q

Continuous engine ground ops with oil temperature between xxx and xxx are authorized with torque below xx%

A

116 & 127 below 86%

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36
Q

flight ops with oil temp between xxx and xxx are authorized for up to x min with torque below xx%

A

110 and 127 for 5min below 86%

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37
Q

oil temp low red and yellow indications activate at xx and xx. If oil temp is below xx , refer to Low Oil Temp procedure.

A

40 C and 45 C

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38
Q

Min oil temp for start

A

-20C

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39
Q

high oil px yellow caution limit

A

120 psi

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40
Q

if fuel feed px is below xx psi, the RCM auto turns on pump not in use and displays a pump failure warning.

A

15 psi

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41
Q

fuel feed pressure min

A

16 psi

42
Q

fuel feed px normal range

A

18-55 psi

43
Q

max fuel feed px

A

60 psi

44
Q

fuel tank min temp

A

-31C

45
Q

fuel tank normal temp range

A

-21-50C

46
Q

max fuel tank temp

A

56C

47
Q

are there operating temp limits for the manifold fuel temperature?

A

no

48
Q

in automatic dump mode, how many fuel tanks will be selected (if theres fuel in them) and in what order?

A

2 tanks. wing tanks first, then fuselage

49
Q

In manual dump mode, how many tanks are selected?

A

only 1

50
Q

fuel dump rate via primary valve 1 tank selected

A

3000pph for all tanks

51
Q

dump rate via backup valve 2 tanks selected

A

950 pph

52
Q

dump rate via backup valve 1 tank selected

A

1950 pph

53
Q

dump rate via primary dump valve 2 wing tanks selected

A

2000 pph

54
Q

dump rate via primary valve 2 tanks selected (forward tank)

A

2100 pph

55
Q

dump rate via primary valve 2 tanks selected (aft tank)

A

1900 pph

56
Q

A landing gear fault is generated if gear extension/retraction is completed in less than xx sec or more than xx sec

A

11 or 29

57
Q

what AOA equates to best rate of climb speed?

A

2 AOA

58
Q

max altitude

A

fl 520

59
Q

max alt for air start

A

fl300

60
Q

3 prohibited maneuvers

A

intentional stalls, spins, inverted flight

61
Q

AOA op range

A

-6 through +10

62
Q

“stall conditions - exceeding limits” is triggered in the GCS when the commanded bank angle would exceed Cl of x.xx

A

1.25

63
Q

max fuel weight

A

3764lbs

64
Q

empty weight

A

4900 lbs

65
Q

useful load (GTOW - empty weight)

A

5600 lbs

66
Q

inboard wing stations

A

1500 lbs

67
Q

middle wing stations (2/6)

A

750 lbs

68
Q

outboard wing stations

A

150 lbs

69
Q

wingspan

A

66’

70
Q

wing area

A

256 sq ft

71
Q

wing aspect ratio

A

16:1

72
Q

wing root chord

A

65.2”

73
Q

wing tip chord

A

28.8”

74
Q

overall fuselage length

A

36.2’

75
Q

fuselage height

A

11.8’

76
Q

propeller diameter

A

110”

77
Q

define empty weight

A

airframe structure, unusable fuel, full operational support fluids

78
Q

define useful load

A

payload + fuel + operational avionics + ballast

79
Q

define gross weight

A

empty weight + useful load

80
Q

The MQ9 is equipped with a Honeywell “xxx” turboprop engine

A

TPE331-10YGD

81
Q

how much of the mechanical shaft power produced by the engine is used to rotate (drive) the compressor?

A

approximately 2/3

82
Q

when operating in normal mode, the DEEC controls what 2 functions of the engine?

A

throttle and speed

83
Q

How many servos does the DEEC have and what are they?

A

2, throttle and stop/feather

84
Q

the DEEC controlled RPM in-flight ops range

A

82.5% to 100.5%

85
Q

what are the DEECs secondary functions? (6x)

A
  1. engine torque and temp limiting
  2. engine speed switches (10% fuel + ignitors on, 60% starter/ignitor switch off, 80% SRL activations switch)
  3. auto fuel enrichment
  4. SRL EGT conditioning
  5. closed loop power control
  6. engine/deec fault monitoring
86
Q

engine dry weight?

A

375lbs

87
Q

installed weight with propeller

A

525lbs

88
Q

reduction gearbox ratio

A

26:1

89
Q

shaft horsepower

A

900

90
Q

jet thrust

A

157lbs max continuous

91
Q

total takeoff thrust

A

2000lbs (standard day, sea level)

92
Q

reverse thrust

A

700lbs (standard day, sea level)

93
Q

propeller shaft RPM

A

1591 max continuous

94
Q

oil type

A

exxon/bp turbine oil 2380 (type II)

95
Q

propeller pitch range

A

-15 to +90

96
Q

what mechanical actions cause the BETA light to illuminate?

A

the governor oil pump sends full discharge px approx. 450psi to pitch controller and beta switch which closes and illuminates the BETA indication on the HUD

97
Q

the BETA light may not illuminate if engine RPM is less than

A

85% due to lower oil px

98
Q

when the throttle is moved past the flight idle position, RPM will transition from xx% to xx%. At xx% RPM, the BETA light should extinguish regardless of speed lever position.

A

65 to 82. 82%

99
Q

If the BETA light illuminates in flight 1 of 5 conditions may be present

A
  1. rigging problem
  2. low fuel flow
  3. failed beta switch
  4. insufficient airspeed
  5. improperly calibrated throttle
100
Q

what does the feathering valve do?

A

sends oil px to the PCU in response to NTS (negative torque sensing), the deec or condition lever activation

101
Q

what does the unfeather pump do?

A

electronic oil pump supplies oil px to force the prop blades from feathered position onto start locks = flat position

102
Q

the engine lubrication system is a wet/dry sump that provides a constant supply of clean filtered oil to …(4x) The system also…(2x)

A

dry

  1. bearings
  2. reduction gears
  3. accessory drives
  4. prop control system
  5. cools engine components
  6. carries away impurities to oil filter