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Re: 2-engine airliners



Captain, I read somewhere that ETOPS meant "Engines Turn or Passengers
Swim!" -- 73, frank wb2bxo@amsat.org

----- Original Message -----
From: Alan P. Biddle <APBIDDLE@att.net>
To: AMSAT-BB <AMSAT-BB@AMSAT.Org>
Sent: Tuesday, June 05, 2001 8:40 AM
Subject: RE: [amsat-bb] 2-engine airliners


> Ron,
>
> Right you are.  Two engine airliners operating under ETOPS*, Extended Twin
> Operations, (AKA EROPS, Extended Range Operations) work under the 180 or
207
> minute rule, meaning they must at all times be within that many minutes of
a
> "suitable" diversion airport.  The requirements for a "suitable" airport
are
> fairly basic.
>
> It is counter intuitive, but the over water time for normal Pacific routes
> to Asia is significantly less, perhaps half, that of the normal Atlantic
> routes to Europe.  Over the pole routes are a whole different ballgame,
> though the same problem exist for diversion airports in Russia.  Lots of
> long runways, but many have about the same level of facilities you would
> find at a small county airport.  One of the biggest problems on transpolar
> routes is the extremely cold temperatures aloft which can cause the fuel
> temperature to approach the point at which it jells!
>
> Alan
> WA4SCA
> Captain
> American Airline
>
> *Actually, ETOPS stands for Engines Turn or Passengers Swim!
>
>
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