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Jul 21, 2014 | 2:27 am

#40

SEA-Flyer

Join Date: Feb 2001

Location: SEA once more (previously CDG and NRT)

Programs: Former DL DM and UA 1k, now a J class free agent (UA Plat, DL Plat, AS MVP Gold, Marriott Titanum)

Posts: 2,458

Quote:

Originally Posted by enviroian

Didn't the A300 do this first or am I mistaken?

Quote:

Originally Posted by tireman77

The A300 was the first twin engined wide body. I believe the 767 was the first plane to be ETOPS certified.

Not sure to which the previous poster was referring to.

Sorry, I didn't mean to imply that the 767 was the first twin engine wide bodied plane. You are correct that the A300 was first.

The A300 was the first ETOPS aircraft, but it was only certified for either 60 or 90 minutes(I can't remember which), which isn't useful. The A300 was never a significant trans-atlantic aircraft, but did become popular within Asia.

The 767 was first to be certified for 120mins ETOPS, which is what is necessary for viable trans-atlantic service. Later, 120+15% (138) was added to help handle the situation where diversion airports were closed due to weather.

A map of 60, 90, 120, and 138 minute ETOPS

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