What Is ETOPS in Aviation?
ETOPS defined for aviation professionals, with its operational or commercial use, document context and related terminology.
Definition, Documents and Application
ETOPS is an operational approval framework allowing qualifying twin-engine aircraft to operate routes that take them beyond a specified diversion time from a suitable airport.
Aviation Glossary
Term: ETOPS
Category: Airline Operations & Navigation
How It Is Used in Flight Operations
ETOPS is used within dispatch, flight planning, crew procedures, aircraft approvals or air traffic operations depending on the subject. Operators must apply the version and approval basis recognized by the relevant aviation authority.
Operational Effect
Approval depends on aircraft design, engine reliability, maintenance, dispatch procedures, crew training and route planning rather than range alone.
Approval and Dispatch Considerations
Equipment capability alone may not be sufficient. Operator approval, crew qualification, maintenance status, database currency, route authorization and company procedures can all affect whether the capability may be used on a specific flight.
Related Aviation Topics
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Approval depends on aircraft design, engine reliability, maintenance, dispatch procedures, crew training and route planning rather than range alone.
ETOPS FAQ
What does ETOPS mean in aviation?
ETOPS is an operational approval framework allowing qualifying twin-engine aircraft to operate routes that take them beyond a specified diversion time from a suitable airport.
Why does ETOPS matter?
Approval depends on aircraft design, engine reliability, maintenance, dispatch procedures, crew training and route planning rather than range alone.
Where would an aviation professional encounter ETOPS?
It is commonly encountered in airline operations & navigation documents, procedures, calculations or operating discussions where the underlying technical or commercial issue is relevant.
Does installed equipment automatically authorize the operation?
No. Many capabilities also require operator approval, current maintenance status, crew qualification and procedures accepted by the relevant authority.