Re: Rear engined aircraft. (727 DC9 MD80)

From: (Gary S. Martin)
Organization: 445th Flight Test Squadron/DOE, Air Force Flight Test Center, Edwards AFB, CA
Date:         15 Dec 94 05:17:37 
References:   1
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In article <airliners.1994.1763@ohare.Chicago.COM> kls@ohare.Chicago.COM (Karl Swartz) writes:
>>Jettisoning an engine would SIGNIFICANTLY alter the CG of an aircraft,
>More recently, a Northwest 727 lost an engine over northern Florida.
>In that case, the crew realized that an engine had detached, but they
>still had no significant control problems and returned safely to a
>nearby airport.
There are quite a few cases of airliners coming home without an engine and 
the flight crew being unaware of its departure from the aircraft. Changes
in handling qualities are minor and are not the reason you would never
intentionally jettison an engine in flight.  The real reason is that there
is no requirement to do so and engines cost a lot of money.

Gary S. Martin
445th Flight Test Sq/DOE
95 Flightline Rd
Edwards AFB, CA 93524-6020