From: email@example.com (Mark Brader) Organization: SoftQuad Inc., Toronto, Canada Date: 18 Mar 93 09:03:18 PST References: 1 2 3 Followups: 1
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> In particular, I'm interested if anyone can think of an incident in which > a trijet survived (for some value of survived; a semi-controlled crash > landing, such as the Sioux City crash, would qualify) where a twinjet > would have (presumably) not done so. In the same article, the poster continues: > And, of course, there are the cases of four-engined aircraft losing > all four due to volcanic ash ingestion or the like. As I recall, in these cases it has at least sometimes been impossible to restart all the engines. So this is a form of common-mode failure where having more engines is nevertheless a big safety benefit. In another article, it is suggested: | Perhaps a better way of looking at it would be to ask whether there's been | a twinjet crash which a trijet could have survived. Yes, there is a quite recent example. Kegworth, England. There was a fire in one engine, and the crew misinterpreted the indications and shut off fuel to the *other* engine. QED. (Details from memory.) -- Mark Brader "People tend to assume that things they don't know SoftQuad Inc., Toronto about are either safe or dangerous or useless, utzoo!sq!msb, firstname.lastname@example.org depending on their prejudices." -- Tim Freeman This article is in the public domain.