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R-44 Raven II > Instrument Markings > Flashcards

Instrument Markings Flashcards

1
Q

Oil temperature

Green arc

Red line

A

75 to 245°F (24 118°C)

245°F (118°C)

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2
Q

What are the four color codes for instrument markings and their meanings?

A

Red - operating limit. Ads of red line indicates limit. Pointer should not enter read during normal operation.

Red crosshatch – power off the Vne.

Yellow – precautionary or special operating procedure range.

Green – normal operating range

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3
Q

When the needle is on the lower redline what is your oil pressure?

A

25 psi

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4
Q

When your needle in the lower yellow arc what is your oil pressure range?

A

25–55 psi

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5
Q

When your needle is in the green arc what is your oil pressure reading?

A

55–95 psi

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6
Q

When your needle is in the upper yellow arc what is your oil pressure reading

A

95–115 psi

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7
Q

When your needle is on the upper redline what is your oil pressure reading?

A

115 psi

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8
Q

When your needle is on the upper redline what is your engine tachometer reading?

A

102%

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9
Q

When your needle is on the lower redline what is your engine tachometer reading?

A

101%

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10
Q

When your needle is within the green arc what is your engine tachometer reading range?

A

101 to 102%

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11
Q

When your needle is on the upper red line what is your rotor tachometer reading?

A

108%

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12
Q

When your needle is within the green arc what is your rotor tachometer range?

A

90 to 108%

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13
Q

When your needle is on the lower redline what is your rotor tachometer reading?

A

90%

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14
Q

When your needle is in the green arc what is your airspeed indicator range?

A

0 to 130 KIAS

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15
Q

When your needle is on the redline what is your airspeed indication reading?

A

130 KIAS

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16
Q

When your needle is in the red cross hatch what is your airspeed indication?

17
Q

When your needle is in the Green Arch what is your manifold pressure range?

A

15-23.3 inches HG

18
Q

When your needle is within the Greenarch what is your manifold pressure range?

A

19.1–26.1 inches HG

19
Q

When your needle is on the redline what is your manifold pressure reading?

A

26.1 inches HG

20
Q

When your needle is within the green arc what is your cylinder head temperature range?

A

200 – 500°F

21
Q

When your needle is on the redline what is your cylinder head temperature reading?

R-44 Raven II (14 decks)

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