Crossword clues for Takeoff approximation (Abbr.) 3 lettersAnswerClueETDFlight takeoff approximation: Abbr.ETDTakeoff approximation (Abbr.)ETDApproximate takeoff hour: Abbr.ETDSPlanes' takeoff approximations: Abbr.ETDSTakeoff approximations: Abbr.ETDSApproximate takeoff hours: Abbr.