PPRuNe Forums - View Single Post - Delta 717 Engine cowling unscheduled departure

9th May 2016, 17:07

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PersonFromPorlock

Join Date: Mar 2014

Location: Maine USA

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I seem to recall 'loss of secondary structure' as being USAF's criterion for 'moderate' turbulence back in the '60s. Possibly apocryphal, though.

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