TH-57 Limits (SEP '19) Flashcards

1
Q

Nf RPM - Power On

A

97-100%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Nf RPM - Avoid Range (Steady State Ops)

A

71-88%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Nr RPM - Power On

A

97-100%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Nr RPM - Power Off

A

90-107%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Ng RPM - Idle

A

62 +/- 2%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Ng RPM - Normal

A

60-105%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Ng RPM - Transient

A

Max 106% for 15 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Engine Oil Pressure - Below 79%

A

min 50 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Engine Oil Pressure - 79-94%

A

min 90 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Engine Oil Pressure - Greater Than 94%

A

min 115 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Engine Oil Pressure - Max

A

130 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Engine Oil Pressure - Max (Cold Wx Start)

A

max 150 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Engine Oil Temperature

A

0-107 degrees C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Transmission Oil Pressure - Continuous

A

30-50 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Transmission Oil Pressure - Minimum

A

30 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Transmission Oil Pressure - Max

A

70 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Transmission Oil Temperature

A

15-110 degrees C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Max Gross Weight - Internal

A

3,200 lbs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Max Gross Weight - External

A

3,350 lbs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Turbine Outlet Temp (TOT) - Start, Up to 810 deg C

A

No time limit

21
Q

TOT - Start, 810-927 deg C

A

10 sec max

22
Q

TOT - Start Max

A

927 degrees C

23
Q

TOT - Transient, Up to 738 deg C

A

No time limit

24
Q

TOT - Transient, 738-810 deg C

A

5 min

25
Q

TOT - Transient, 810-843 deg C

A

6 sec

26
Q

TOT - Transient Max

A

843 degrees C

27
Q

Max Continuous Torque

A

85%

28
Q

Military Power Limit Torque

A

100% for 5 min

29
Q

Transient Torque

A

100-110% for 5 sec

30
Q

Vne - FCS Off

A

130 KIAS

31
Q

Vne - FCS On

A

122 KIAS

32
Q

Max Rate of Climb Airspeed

A

50 KIAS

33
Q

Max Airspeed with Any Doors Off

A

110 KIAS

34
Q

Max Autorotational Airspeed

A

100 KIAS

35
Q

Turbulence Penetration Airspeed

A

80 KIAS

36
Q

IMC Climb/Descent Rate

A

100’/min

37
Q

Minimum IFR Airspeed (Vmini)

A

65 KIAS

38
Q

Max Operating Altitude (FCS Off) At or Less Than 3000 lbs Max Gross Weight

A

P.A. - 20,000’
D.A. - 18,000’

39
Q

Max Operating Altitude (FCS Off) Above 3000 lbs Max Gross Weight

A

P.A. - 16,000’
D.A. - 13,000’

40
Q

Max Operating Altitude (FCS On/IFR) Above 3000 lbs Max Gross Weight

A

P.A. - 8,500’
D.A. - 11,000’

41
Q

Max Operating Altitude (FCS On/IFR) At or Less Than 3000 lbs Max Gross Weight

A

P.A. - 11,500’
D.A. - 13,500’

42
Q

Max Sideward and Rearward Flight: 0-1000’ Density Altitude (DA)

A

Side - 25 knots
Rear - 15 knots

43
Q

Max Sideward and Rearward Flight: 1000-2000’ DA

A

Side - 20 knots
Rear - 15 knots

44
Q

Max Sideward and Rearward Flight: 2000-4000’ DA

A

Side - 15 knots
Rear - 15 knots

45
Q

Max Sideward and Rearward Flight: 4000-6000’ DA

A

Side - 10 knots
Rear - 10 knots

46
Q

Max Sideward and Rearward Flight: 6000-10,000’ DA

A

Side - 5 knots
Rear - 5 knots

47
Q

Starter Limits (Battery Power)

A

40 secs - ON
60 secs - OFF
40 secs - ON
60 secs - OFF
40 secs - ON
30 minutes - OFF

Note: If light off occurs within first 20 secs of sequence the starter may be operated for 60 secs ON then 60 secs OFF. 3 such attempts can occur within 30 minutes then 30 minutes OFF.

48
Q

Starter Limits (External Power)

A

25 secs - ON
30 secs - OFF
25 secs - ON
30 secs - OFF
25 secs - ON
30 minutes - OFF

Note: If light off occurs within first 20 secs of sequence the starter may be operated for 60 secs ON then 60 secs OFF. 3 such attempts can occur within 30 minutes then 30 minutes OFF.