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IRR Prep > Instrumentation (IRR) > Flashcards

Instrumentation (IRR) Flashcards

1
Q

What happens to the ASI (airspeed indicator) during a static pressure vent blockage?

A

In a climb, speed will under-read
in a descent, speed will over-read

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2
Q

What happens to the ASI (Airspeed Indicator) during a pitot head blockage?

A

In a climb, speed will over-read
In a descent. speed will under-read

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3
Q

What happens to the VSI (vertical speed indicator) during a static pressure blockage?

A

The gauge will read zero

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4
Q

What happens to the altimeter if the static pressure vent blocks?

A

The altimeter will stick at the indication it got stuck at

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5
Q

What instruments are powered by static and dynamic (pitot) pressure?

A

VSI, ASI, Altimeter

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6
Q

What instruments are powered by gyros?

A

AI (Attitude indicator), Turn coordinator, DI (Directional indicator)

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7
Q

When is the only time a compass will provide a reliable reading?

A

When straight, level and not accelerating or decelerating

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8
Q

How is a rate one turn calculated? (360 degrees in 2 minutes)

A

TAS(True Airspeed)/10 + 7

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IRR Prep (5 decks)

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