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CL-60 Limitations > Powerplant Limitations > Flashcards

Powerplant Limitations Flashcards

1
Q

Maximum take off N1

A

98.6

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2
Q

Max. TO N2

A

99.4

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3
Q

Max TO ITT

-3A -3A2

A

871°C

900°C

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4
Q

Time limit for ITT

A

5 minutes

2 minutes

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5
Q

Engine Type

A

To General Electric CF 34–3A 2

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6
Q

Normal TO N1 Limit

A

96.2

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7
Q

Normal TO N2 Limit

A

98.3

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8
Q

Normal take off ITT limit

A

856°C
878°C

-3A -3A 2

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9
Q

Normal take off time limit for ITT

A

Five minutes

Two minutes

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10
Q

Maximum continuous N1

A

98.6

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11
Q

Maximum continuous N2

A

99.2

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12
Q

Maximum continuous ITT

A

860°C

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13
Q

Max. Start/relight ITT

A

930°C
903°C

– 3A – 3A2

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14
Q

Maximum idle in icing conditions (cowl anti-ice only) N2

A

64.0

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15
Q

The APR system must be selected off for take off if

A
  • Preflight static or dynamic tests fail

- Ambient temperature is below -20c (-4F)

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16
Q

Oil temperature

Minimum for starting

A

-40°C

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17
Q

Oil temperature maximum permissible

A

163°C (15 minutes maximum)

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18
Q

Oil temperature maximum for single engine climb

A

155°C (60 minutes maximum)

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19
Q

Oil temperature maximum continuous

A

150°C

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20
Q

Oil pressure transient coldstart

A 
115 psi (10 minutes maximum)
Engine must remain at idle until oil pressure returns to normal range
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21
Q

Oil pressure minimum at steady state Idle

A

25 psi

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22
Q

Oil pressure Minimum at take off (power)

A

45 psi

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23
Q

Oil pressure maximum continuous

A

110 psi

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24
Q

Starter duty cycle

Normal engine start

A

Three consecutive engine start cycles with five minutes cooling between additional cycles

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25
Q

Starter duty cycle

Motoring and engine start at -30°C -22°F and below

A

Motor engines for 60 seconds and assure fan rotation; then two consecutive engine start cycles with five minutes cooling between additional cycles

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26
Q

Starter duty cycles

Motoring with the engine fuel and ignition off

A

90 seconds with five minutes cooling between additional cycles of 30 seconds

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27
Q

For air turbine starts on the ground (at initiation of thrust Lever movement)

A

ITT is to be 120°C or less

N2 must be 20% or greater

28
Q

For air turbine starts in flight (at initiation of thrust Lever movement)

A

ITT is to be 90°C or less

N2 must be 28% or greater

29
Q

For windmill starts

A

ITT must be 120°C or less

Above 10,000 feet, N2 must be 13% and stable or increasing for all engine types

At or below 10,000 feet, N2 for applicable engine type must be as shown on table

30
Q

Take off with engine fuel temperature indications is prohibited below

A

5°C , 41°F

31
Q

APU maximum RPM

A

110%

32
Q

The APU over speed control will automatically shut down the APU at

A

110%

33
Q

APU maximum EGT

A

732°C

34
Q

Minimum ambient temperature for starting a cold soaked APU on the ground

A

-40°C

35
Q

The following APU start cycles are permitted using aircraft batteries on the ground or for normal in-flight start

A
  • 3 start attempts, ea. of 30 seconds continuous cranking,
  • 20 minute off time
  • 2 further attempts each of 30 seconds continuous cranking

Then 35 minutes

36
Q

APU start cycles permitted using ground power

A

2 start attempts 15 seconds each

20 minute off time

To further attempts 15 seconds each

Then 35 minutes

37
Q

The APU ready light must eliminate within how many seconds

A

60 seconds of operating the APU start switch

38
Q

APU maximum EGT not to be exceeded under any operating conditions

A

974°C

39
Q

APU starting and operation is permitted within the following envelope.

A

Sea level to 10,000 ft:
0-290 kias

10,000 to 20,000 ft :
141-290 kias

40
Q

APU bleed air extraction is not permitted above

Or when ..

A

14,500 ft pressure alt.

Not permitted in flight whenever standby electrical power is required from the APU.

41
Q

Max permissible load on the APU generator in flight is

A

30 kVA

42
Q

Fan Speed RPM indicator N1 % RPM

A

Green vertical band - 0 - 98.6

Red radial line - 98.6

43
Q

ITT red radial line

A

928°C

44
Q

ITT yellow vertical band

A

860°C - 928°C

45
Q

ITT green vertical band

A

0 - 860C

46
Q

ITT L/R read over temperature warning lights

A

928°C

47
Q

Turbine speed rpm indicator N2 % RPM

Red radial line

A

99.4%

48
Q

Turbine speed rpm indicator N2 % RPM

Yellow vertical band

A

99.2 to 99.4%

49
Q

Turbine speed rpm indicator N2 % RPM

Green vertical band

A

0 to 99.2%

50
Q

Fuel flow rate indicator

Green vertical band

A

0 to 4000 pounds per

51
Q

Oil temperature indicator

Red radial line

A

163°C

52
Q

Oil temperature indicator

Yellow horizontal band

A

150 to 163°C

53
Q

Oil temperature indicator

Green vertical band

A

-42 to 150°C

54
Q

Low oil pressure warning lights illuminate when

A

Oil pressure drops below 28. +or- 3 PSI

55
Q

Oil pressure indicator

Green vertical band

A

25 to 115 psi

56
Q

Oil pressure indicator

Red radial line

A

130 psi.

57
Q

Oil pressure indicator

Green vertical band

A

25 to 115 psi

58
Q

Fuel temp. Indicator

Green band

A

4 to 120C

59
Q

Fuel temp. Indicator

Yellow band

A

-55 to 4C

60
Q

Engine vibration indicator

Yellow band

A

2.7 MILS D.A. To. 4.0 MILS D.A.

61
Q

Engine vibration indicator

Green Band

A

0 MILS D.A. To. 2.7 MILS D.A.

62
Q

APU tachometer indicator percent RPM

Red radial line

A

110%

63
Q

APU tachometer indicator percent RPM

Green arc

A

0 to 105%

64
Q

APU EGT temp.

Red line

A

730C

65
Q

APU EGT

GREEN ARC

A

0 to 680C

66
Q

AC gauge

Green arc

A

0 to 30 kVA

67
Q

DC Gauge

Green arc

A

22 to 29 volts

CL-60 Limitations (5 decks)

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