1. 
   ETOPS
   Aviation acronym: Extended Range Twin Operations
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   ETOPS
   See Extended Twin [engine] Overwater Passenger Operations.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   ETOPS
   ETOPS is an acronym for extended operations as re-defined by the US Federal Aviation Administration (FAA) in 2007. This rule allows twin-engined airliners (such as the Airbus A300, A310, A320, A330 and A350, the Boeing 737, 757, 767, 777, 787, the Embraer E-Jets, ATR) to fly long-distance routes th...
   Found op http://en.wikipedia.org/wiki/ETOPS
   
   
4. 
   etops
   1) Aviation extended range twin operations
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/etops/1
   
   

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