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CH-47F 9.4 Bham > PPC > Flashcards

PPC Flashcards

1
Q

The same PPC Data will suffice for consecutive takeoffs and landings when what conditions apply?

A

When conditions remain within:
1) +/- 1,000lbs
2) +/- 10 C
3) + 1,000’ PA

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2
Q

What is the maximum power authorized for premission planning at departure/arrivals below 40KCAS?

A

30 minute power / Intermediate TQ Available

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3
Q

On the TQ available charts in the -10, the bend to the left on the lines indicates what?

A

A limit of either NG Speed or PTIT

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4
Q

What can you adjust on the cruise chart to meet mission requirements?

A

Airspeed and weight

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5
Q

Who is responsible for ensuring the aircraft limitations and capabilities are not exceeded?

A

Pilot in Command

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6
Q

What data is used to calculate the ppc

A

Mission forecast data

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7
Q

What PTIT value is considered when calculating continuous torque value

A

Max Continuous PTIT 816 C

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8
Q

If a PTIT limit and an NG limit coincide, which limit do we use

A

NG limit

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9
Q

A value less than 100% dual engine will indicate what limits will be reached before exceeding dual engine Xmsn torque limit

A

PTIT or NG (help 0C)

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10
Q

What value will be written if a calculated value is greater than 100% TQ

A

A value of 100%

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11
Q

Where can you find all the the 30 min Max TQ aviailable in CAAS

A

VSD TQ Tape Yellow triangle, FPLN SUM Fuel & PWR, LEGS, and Perf Prog INT TQ

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12
Q

What torque value is used to calculate GO/NO G

A

Max TQ Available

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13
Q

When should you consider NG as the limitation

A

When temperature is below 0 C

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14
Q

What items can be adjusted on the Departure Data of IPACX

A

Fuel, internal load, external load

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15
Q

Three sections of the performance planning card

A

Departure
Cruise data
Arrival data

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16
Q

What do the TQ available charts provide

A

Available ENG TQ for various combos of PA and Temp

17
Q

Where can you find 10 min Max TQ available in CAAS

A

VSD TQ tape Red triangle, FPLN SUM LEGS, Perf Prog INT TQ and HVR override

18
Q

What limiting factors do the torque available section provide

A

NG, PTIT and transmission

19
Q

Indicators of NG section limiting

A

Rotor RPM droops if TQ demand exceeds available TQ.

Predominately cold temp issue

20
Q

What value is used to determine if you have single engine capability at a hover

A

IGE Max Allow GWT Single Engine

21
Q

Amount of power required to hover at the desired wheel height

A

Predicted HVR TQ IGE (Dual Engine) 10ft, 40ft with external load
Predicted HVR TQ OGE (Dual Engine) 80 ft

22
Q

Used to determine if there is sufficient power to perform OGE maneuvers

A

Go/No-Go torque

23
Q

What can be added to MAX MSN PROFILE GWT

A

Expendables used to reach the most restrictive point

24
Q

Maximum gross weight to hover provides what

A

Upper chart provides max structural limit
Lower chart provides MAX GW IGE/OGE based on engine power

25
Q

What can be caused by LCTs being stuck in ground

A

No cyclic feathering introduced
May cause excessive blade flapping
Excessive nose low pitch attitude at higher airspeeds
Excessive stress on the aft vertical shaft and rotor system

26
Q

MAX R/C and Endurance CAS also serve as the best airspeed for

A

Single engine configuration

27
Q

What does MAX RANGE CAS represent

A

The airspeed the aircraft can get the most distance out of the fuel load

Dual engine value only

28
Q

Airspeed operating limits chart is used to determine an airspeed limit based on what

A

A structural limit
Or blade compressibility limit

29
Q

What does the MAX R/C and END airspeed provide

A

Highest R/C
Max time aloft
Best single engine airspeed

30
Q

What does MAX range airspeed provide

A

Greatest distance out of a fuel load

31
Q

Where can you find the MAX Range airspeed

A

Perf Prog pages and FPLN Summary Legs page

32
Q

The amount of additional power required to carry an external load based on the wind resistance of the load

A

Drag Factor

33
Q

What does MIN and MAX single engine airspeed provide

A

The MIN/MAX airspeed range that may be flown w/ and w/o a load

34
Q

What should be considered when selecting cruise speeds

A

A/S should be close to Single Engine Airspeed
Don’t exceed Vne line

35
Q

What is the drag factor value used for

A

Amount of additional TQ required to carry an external load

CH-47F 9.4 Bham (48 decks)

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