PPRuNe Forums - View Single Post - Air Asia Indonesia Lost Contact from Surabaya to Singapore

31st Dec 2014, 14:01

#751 (permalink)

aviator1970

Join Date: Dec 2009

Location: high in the sky....

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200kts IAS

well a 100 Kt/ even higher speeds are encountered in jet streams and often you have strong up/down drafts close to build ups.... why is this speed so important? after it is ground speed not aircraft speed... what have I got wrong?

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