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Thread: IRS Alignment
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Old 11th April 2020 | 15:53
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FlyingStone
 
Joined: Apr 2010
Posts: 1,320
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From: IRS NAV ONLY
IRS is detecting earth's rotation during alignment, and it would be difficult to do so when doing 500 kts in turbulent air.

There are some military-grade IRUs that are able in-flight alignment though.
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