Re: ETOPS for north pole routes

From: (Larry Stone)
Organization: InterServe Communications, Inc.
Date:         21 Oct 96 02:29:22 
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In article <airliners.1996.2054@ohare.Chicago.COM>, wrote:

>Assuming a ground speed of 900kmh (560 statute miles/hour), 180minutes
>gives a range of roughly 2700 km.

But ETOPS distances are based on single engine speeds, not normal speed. I
don't know what the typical twin jet cruises at on what engine but for the
light twins I fly, it is about 2/3 of normal cruise speed.

-- Larry Stone ---
   Belmont, CA, USA
   My opinions, not United's.