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Pilatus PC12/45 > Engine > Flashcards

Engine Flashcards

1
Q

What is the drain and refill oil quantity?

A

2.0 US gal

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2
Q

What is the oil qty operating range?

A

1.0 US gal

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3
Q

Engine speed green arc (norm ops)

A

60 to 104%

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4
Q

Engine speed red line (max limit)

A

104%

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5
Q

ITT green arc (norm ops)

A

400 to 760°C

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6
Q

ITT yellow arc caution

A

760 to 800°C

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7
Q

ITT Red ARC/Max Limit

A

800°C
1,000°C

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8
Q

Oil Temp Green ARC norm ops

A

10 to 105°C

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9
Q

Oil temp Yellow ARC Caution

A

105 to 110°C

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10
Q

Oil Temp Max limit

A

110°C

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11
Q

Oil Pressure min limit

A

40-60 psi

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12
Q

Oil Pressure Green ARC norm ops

A

90 to 135 psi

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13
Q

Oil Pressure max limit

A

135 psi RED ARC
200 psi Max Diamond

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14
Q

Torque Green ARC norm ops

A

0 to 36.95 psi

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15
Q

Torque Yellow ARC Caution

A

36.95 to 44.34 psi

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16
Q

Torque max limit RED

A

44.34 to 61.0

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17
Q

Engine Limitation
Starting Max ITT

A

1,000°C max 5 sec

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18
Q

Engine Limitation

What is the MAX
Starting Oil Pressure?

A

200 psi max

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19
Q

Engine Limitation
Starting min oil temp

A

-40°C

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20
Q

Engine Limitation
Min Idle Oil Temp

A

-40 to 110°C

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21
Q

Engine Limitation
Min Idle %Ng

A

ground idle 50.7 %Ng
flight idle 64.0 %Ng

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22
Q

Engine Limitation
Min Idle Oil Press

A

60 psi

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23
Q

Engine Limitation
Min Idle Oil Temp

A

-40 to 110 C

24
Q

Engine Limitation
Takeoff SHP

A

1,200 SHP

25
Q

Engine Limitation
Takeoff torque

A

44,34 psi

26
Q

Engine Limitation
Takeoff Max ITT

A

800 C

27
Q

Engine Limitation
Takeoff Max %Ng

A

104% Ng

28
Q

Engine Limitation

Takeoff Max RPM

A

1,700

29
Q

Engine Limitation
Takeoff Oil Pressure

A

90 to 135 psi

30
Q

Engine Limitation
Takeoff Oil Temp

A

10 to 110 C

31
Q

Engine Limitation
Max Cont, Cruise Climb, Max Cruise
SHP

A

1,000 SHP

32
Q

Engine Limitation
Max Cont, Cruise Climb, Max Cruise
Torque

A

36.95 psi

33
Q

Engine Limitation
Max Cont, Cruise Climb, Max Cruise
Max ITT

A

760 C

34
Q

Engine Limitation
Max Cont, Cruise Climb, Max Cruise
max %Ng

A

104%

35
Q

Engine Limitation
Max Cont, Cruise Climb, Max Cruise
Oil Press

A

90 to 135 psi

36
Q

Engine Limitation
Max Cont, Cruise Climb, Max Cruise
Oil Temp

A

10 to 105 C

37
Q

Engine Limitation
Max Reverse
SHP

A

900 SHP

38
Q

Engine Limitation
Max Reverse
Torque

A

34.25 psi

39
Q

Engine Limitation
Max Reverse
ITT

A

760 C

40
Q

Engine Limitation
Max Reverse
Prop RPM

A

1,650

41
Q

Engine Limitation
Max Reverse
Oil Pressure

A

90 -135 psi

42
Q

Engine Limitation
Max Reverse
Oil Temp

A

10 to 105

43
Q

Engine Limitation
Transient (max 20 sec)
Torque

A

44,34 to 61,0 psi

44
Q

Engine Limitation

Transient ITT Max (Max 20 sec)

A

up to 870C and not more than 20 sec.

45
Q

Engine Limitation
Transient (Max 20 sec)
max %Ng

A

104 %Ng

46
Q

Engine Limitation
Transient (Max 20 sec)
Oil Pressure

A

40 to 200 psi
max 20 sec

47
Q

Engine Limitation
Transient (Max 20 sec)
Oil Temp

A

-40 to 110 C

48
Q

Normal RPM @ Primary Governor

A

1,700 RPM
100%

49
Q

Primary Governor Fail RPM

A

1,760
104%Ng

50
Q

Overspeed Governor Limit

A

1,802 RPM
106%Ng

51
Q

Fuel Topping Gov Limit

A

1,853 and 1,870 RPM
109%Ng

52
Q

What is Max T/O Power PSI Setting?

And for how long?

A

44.34 psi 5 minutes

(all Max TO operating conditions

are limited to 5 minutes)

53
Q

What is the total oil capacity?

A

3.6 US Gal

56
Q

What is the PC12 Engine?

A

Pratt&Withney PT6A-67B

75
Q

What are different prop blade angles that matter?

  • fine pitch
  • max reverse pitch
  • feather
  • min. in flight pitch
A
  • Fine pitch 19°
  • Max rev pitch -17.5°
  • Feather 79.6°
  • Minimum in flight pitch 6°
88
Q

What are the Propeller RPM (Np) Limitations?

  • Normal
  • Transient
  • Reverse
A
  • Max Norm 1700 RPM (can vary +/- 30)
  • Max Transcient 1870 RPM (20 sec. like all “transients”)
  • Max Reverse 1650 RPM
110
Q

Starter limits

A

Sequence, 60 sec OFF
Sequence, 60 sec OFF
Sequence, 30 min OFF

Pilatus PC12/45 (6 decks)

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