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To: techdiver@opal.com
Subject: Re: diving/flying
From: Dave Waller <dwaller@Ne*.CO*>
Date: Wed, 24 Nov 1993 10:01:30 -0800
> In the old days, an explosive decompression incident on a
> commercial airliner put you at about 30 000 ft; today it may well put
> you at 50 000 ft

Minor nit: It will still put you at 25,000-35,000 feet. Commercial airplanes
don;t fly much higher than that, although they occasionally go up to FL38
(38,000 feet).

Remember that most of the jet aircraft models we are flying in today have
been around for twenty to thirty years! Above 35,000 feet, fuel efficiency
starts to drop off, as the speeds required to maintain lift in the rarifying
atmosphere continue to increase.

Dave Waller				YMCA Instructor
dwaller@cu*.hp*.co*			Hewlett-Packard Co.
(408) 447-4413

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