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Sun’soutGunsout > Limits Part Deux > Flashcards

Limits Part Deux Flashcards

1
Q

What is the N r range to avoid prolonged APU use and why?

A

94-96% because the APU clutch will oscillate from engaged to disengaged. This creates high loads.

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2
Q

When is APU operation prohibited?

A

During normal flight

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3
Q

What is the APU caution that should be observed after an aborted start or fault?

A

Wait 30 seconds after APU has stopped before attempting restart. After 2 consecutive start attempts, wait 20 minutes before third attempt. No more than 3 attempts an hour.

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4
Q

What shall be observed after 30 minutes of ground operation with the APU on?

A

Observe XMSN TEMP 1 & 2 on the SYS page. If exceeding 140C the APU shall be shut down to cool XMSN fluid for 30 min prior to resuming APU grnd ops, or fluid may be cooled by operating at least 1 engine with rotor turning.

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5
Q

Weight Limitations:

A

Max Gross Weight: 20,260lbs
Non-Tactical Ferry Weight: 23,000lbs

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6
Q

Max Autorotation Airspeed:

A

145 KTAS; above 145 KTAS, drag on MR can cause excessive Nr decay

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7
Q

Airspeed Limits: Max sideward and Rearward due to possible LTE

A

45 kts for all gross weights

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8
Q

Maximum Airspeed for searchlight extension:

A

90 kts (if no light movement then Vne)

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9
Q

Max airspeed authorized with RCEFS

A

Vne

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10
Q

Max airspeed for CEFS installed in any configuration

A

130 KTAS

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11
Q

Maximum Airspeed for stores jettisoned. (Only for emergencies in unaccelerated flight)

A

130 KTAS

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12
Q

What jettison speed range must side slip be minimized? If possible

A

Hover - 45 KTAS

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13
Q

What speed range must the ball be centered for stores jettison?

A

45 - 130 KTAS

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14
Q

External Fuel Tanks Jettison information:

A

Only authorized in an emergency
Every effort made to be in straight and level unaccelerated flight at airspeeds less than 100 KTAS

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15
Q

For flights below 3500 ft density altitude, do not exceed ____________ for the for flight at 3500 ft density altitude per figure ____

A

The maximum allowable load factor

5-13

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16
Q

At 9000+ DA, Level flight restriction. Aircraft shall maintain a minimum of ______ and shall not exceed a maximum of________.

A

40 KTAS

130 KTAS

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17
Q

At 9000+ DA, Maneuvering flight restriction. Aircraft shall maintain a minimum of ______ and shall not exceed a maximum of________.

A

57 KTAS

108 KTAS

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18
Q

Maneuvering Limits Warning: Extended maneuvering flight below ____ and/or high side slip angles with nose-low attitudes with low fuel can cause….

A

0 g

19
Q

Maneuvering limits CAUTION: Maneuvering flight requiring large abrupt collective, pitch, roll, and yaw inputs at airspeeds below _____ should be avoided

A

45 knots

20
Q

Maneuvering limits Note: During training these maneuvers shall not be flown with less than _____ pounds of fuel remaining in each fuel cell

A

400

21
Q

For normal load factors, refer to figure 5-13. Intentional maneuvers beyond attitudes of +/-___degrees pitch or +/-____ degrees roll are prohibited

A

60

120

22
Q

Excessive tail rotor scissors loads. Avoid aggressive directional and lateral control inputs greater than _________ when conducting combat maneuvers requiring a left turn.

A

1inch/second

23
Q

Excessive tail rotor loads. Avoid large ________ inputs in arresting right hover/low-speed yawing turns greater than ___________. This is to prevent excessive tail rotor drive system loads.

A

Pedal step

60 degrees/second

24
Q

Flight with canopy open is _________ except for ___________

A

Prohibited

Smoke/fume elimination

25
Q

Slope landing caution: caution should be exercised in known or forecast winds or wind gusts over ___kts.
Slope landings that produce roll attitudes of ______ shall be avoided

A

25

5 degrees

26
Q

Landing Limits: do not complete a landing that changes pitch attitude from a hover of _______ nose up or ______ nose down, or roll greater than ______. Data not available for gross weights above _______

A

7 degrees
10 degrees
10 degrees
17,650 lbs

27
Q

CEFS Maneuvering Limits:
1. CEFS are restricted to a ____ limit
2. External tanks shall be in the ________ position (___ degrees nose up) with respect to the ________
3. Single CEFS tank installations are _____

A
  1. 2G
  2. a.) flight stow
    b.) 4
    c.) Waterline (WL)
  3. Not Authorized
28
Q

RCEFS Maneuvering Limits:
1. RCEFS are restricted to the _____ G limits as the aircraft.
2. External tanks shall be in the ________ position (___ degrees nose up) with respect to the ________

A
  1. Same
  2. a.) flight stow
    b.) 4
    c.) Waterline (WL)
29
Q

Flight into _____ or __________ turbulence or into ___________ turbulence is prohibited.

A

Known
Forecast Extreme
Known Severe

30
Q

Intentional flight into ____ or _________ icing conditions is prohibited. Flight in _____ or ______ icing is _________ only as a _________ condition. If icing is encountered the crew will attempt to exit the condition _____________

A

Known
Forecast Moderate
Light
Trace
Authorized
Transient
As soon as practicable

31
Q

Flight into IMC. The aircraft is ________ for IMC flight.

A

Qualified

32
Q

Rotor start and stop limits. Max wind velocity for rotor start or stop is _____ knots to prevent _____________ damage.

A

45
Droop Stop

33
Q

Use of Force Trim: Force trim will not be turned off except in a _______ or ______________ mode.

A

Failed

Partially Failed

34
Q

NGB PSI: Normal Operation (______)

A

25-100psi

Green

35
Q

NGB PSI Minimum (___________)

A

25psi

<25 red w/box

36
Q

NGB TEMP: Normal Operation (_____________)

A

0-134

<134 green

37
Q

NGB TEMP: Maximum (____________)

A

134

> 134 red w/box

38
Q

XMSN PSI: Normal Operation (______)

A

25-100

Green

39
Q

XMSN PSI Minimum (_____________)

A

25

<25 red w/box

40
Q

XMSN TEMP: Normal Operation (______)

A

32-141

<141 green

41
Q

XMSN TEMP Maximum (___________)

A

141

> 141 red w/box

42
Q

Red w/BOX limits

A
  1. Engine oil pressure maximum
  2. Hydro upper transients and minimum
  3. Np Max
  4. Ng Min
  5. NGB & XMSN Max temps & Min PSI
43
Q

12 Second Transients:

A
  1. TGT
  2. Np
  3. Ng
44
Q

6 Second Transients:

A
  1. SE and DE torque

Sun’soutGunsout (15 decks)

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