Originally Posted by
SuperG1955
ETOPS may require that they take the shortest over water route on the diversion.
Also, parts and maintenance will be easier to deal with at NRT which is a regular Delta 747 destination than ANC which is not.
Are they ever more than 3 hours from an airport on this route? If not, then it appears ETOPS does not apply to a 4-engined aircraft on this route.
http://www.boeing.com/commercial/aer...icle_02_7.html