PPRuNe Forums - View Single Post - Formula for Radius of Turn

3rd Oct 2009, 07:44

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9.G

Join Date: Dec 2007

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aviationluver, no formula but a thumb rule:

1% of the ground speed. So for 250 KTS the turn radius is approximately 2,5 NM.

Very handy to quickly decide when to commence the turn.

Cheerio.

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