A340 is a quad, what does ETOPS (Extended-range Twin-engine Operational Performance Standards) have to do with this discussion?
Well on quick notice this.. I called it ETOPS because it is becomming too cloudy as to how all the final rules are shaking out. In any case we need to do proving runs for both etc. Might as well do the North Atlantic first
The FAA tasked the Aviation Rulemaking Advisory Committee (ARAC) in
June 2000 to codify the existing policies and practices to be
applicable to all airplanes, regardless of the number of engines, by
developing comprehensive ETOPS standards for 14 CFR parts 25, 33, 121,
and 135, as appropriate. The FAA also tasked ARAC to develop ETOPS
operational requirements for diversion times greater than 180 minutes
up to whatever extent may be justified.
During this same period, the FAA developed guidance for polar
operations. These operations became more commonplace with the opening
up of Siberian airspace following the fall of the former Soviet Union.
Although not defined as ETOPS, this guidance has been expanded in
today's rule to include both the North and South Polar Areas and has
been incorporated into the overall ETOPS rule package. Significantly,
this aspect of the rule applies to all turbine-powered multi-engine
operations including all-cargo operations.
Today's rule codifies and expands existing FAA policy and route
authorizations for all part 121 two-engine airplanes conducting ETOPS
beyond certain distances from an adequate airport. This final rule also
extends most requirements previously applicable only to part 121 two-
engine airplanes to a limited number of part 121 passenger-carrying
three- and four-engine airplane operations and applies the same
limitations to comparable part 135 operations.
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