| skos:altLabel | - 60-minute rule
- 60-minutes rule
- ETOPS 180
- ETOPS certification
- ETOPS operations
- ETOPS#Backronym
- ETOPS#History
- ETOPS-180
- Extended Operations
- Extended Range Twin Operations
- Extended Twin Engine Operations (ETOPS)
- Extended Twin OperationS
- Extended range twin engine Operations
- Extended-range Twin-engine Operations
- certified for extended overwater operation
- transatlantic flight by twin-engined airliners
- transoceanic capable
- Extended-range Twin-engine Operation Performance Standards
- allowing twin engine aircraft to operate on long overwater routes
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