kopteri rotatsioonipunkt stardil
punkt starditrajektooril, kus toimub juhise etteanne kopteri nina allapoole pööramiseks.
See on viimane punkt stardi trajektooril, kust tuvastatud mootoririkke korral on võimalik hädamaandumine kopter, the point at which a cyclic input is made to initiate a nose-down attitude change during the take-off flight path. It is the last point in the take-off path from which, in the event of an engine failu