VSI Flashcards

1
Q

What are the units used for VSIs?

A

Feet per minute (fpm)

Metres per second (m/s)

200fpm = 1 m/s

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2
Q

What are the VSI errors?

A

Instrument

Manoeuvre

Position

Static system

Time leg

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3
Q

How does a static system leak affect pressurised and unpressurised aircraft?

A

Unpressurised = little effect

Pressurised = erroneous indications depending on the relationship between actual rate of climb/descent and cabin rate of climb/descent

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4
Q

What are the IVSI errors?

A

Turbulence = false climb/descent indications

Manoeuvre = false indications

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