ETOPS. 1. Abr. Extended range twin-engine operations, which enable airliners to fly large distances over open water. 2. Slang. Abr. "Engines Turn or Passengers Swim."
In context . . .
"Regulations for these 'extended range twin engine operations' (ETOPS) flights stipulate, for example, that the same maintenance technician may not perform the same tasks on both left and right engines, to avoid the chance of someone making the same error on both . . . some pilots still refer to the ETOPS program as 'Engines Turn or Passengers Swim.'"
Mark Gerchick
Full Upright and Locked Position
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