PPRuNe Forums - View Single Post - Last usage of runway 23 at LHR

29th May 2009 | 08:49

#5 (permalink)

Talkdownman

Joined: Jul 2004

Posts: 1,901

Likes: 1

From: On the wireless...

HD actually means 'jet-efflux' effect.

I was never convinced there was a problem, but we were told to apply it.

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