Diversion airports are airports capable of handling a particular

ETOPS ETOPS () is an acronym for ''Extended-range Twin-engine Operations Performance Standards''—a special part of flight rules for one-engine-inoperative flight conditions. The International Civil Aviation Organization (ICAO) coined the acronym for ...

-rated aircraft during an emergency landing and whose flying distance at the point of emergency does not exceed the ETOPS diversion period for that aircraft. Any airport designated as an en route diversion airport must have the facilities to safely support that particular aircraft, and weather conditions at the time of arrival must allow a safe landing with an engine and/or systems malfunctioning.http://www.boeing.com/assets/pdf/commercial/airports/faqs/etopseropsenroutealt.pdf An ETOPS/LROPS flight may be conducted solely if the diversion airports are available throughout the length of the flight. Unavailability due to bad weather, for example, might require an inflight rerouting.

References

{{reflist, 1 Airports by type