Re: 727 cooper vanes

Date:         16 Sep 97 02:35:26 
From:         Scott Edward Bosecker <>
Organization: MindSpring Enterprises, Inc.
References:   1
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BAEJS3201 wrote:
> I recently talked to a mechanic at work and the subject of the Cooper Vane
> on the 727 aft airstairs came up. He said this has develop after the DP
> Cooper Hijacking.
> Well my question is was this a Sevice Bullatin or was this just something
> that some 727 operators refitted their aircraft with. My company has two
> former Korean Air 727-200's and one 727-100 and none of these have a
> Cooper vane fitted on them or is this a old mechanics folk lore.

I am a pilot for Delta Air Lines.  When I got hired 11 years ago the
entry-level position was 727 Flight Engineer.  We were told during our
intial ground school that a Delta Mechanic had come up with the "DB
Cooper" vane.

Best regards,

Scott Bosecker