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Old 22nd April 2017, 12:13 PM
Greg Hyde Greg Hyde is offline
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Join Date: Sep 2008
Posts: 4,428
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The second a/c is the backup a/c.

If the first goes u/s they switch to the backup a/c.

AF2 is a designation that travels with the VP not the a/c.

Whichever a/c the VP is on is AF2
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