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procedure turn
一般	方式旋回 Aviation Dictionary (Ron Schei)
英语 词库
procedure turn
航空	A manoeuvre in which a turn is made away from a designated track followed by a turn in the opposite direction to permit the aircraft to intercept and proceed along the reciprocal of the designated track. Note 1.— Procedure turns are designated 'left' or 'right' according to the direction of the initial turn. Note 2.— Procedure turns may be designated as being made either in level flight or while descending, according to the circumstances of each individual procedure.
航空, 加拿大	A manoeuvre in which a turn is made away from a designated track and followed by a turn in the opposite direction to permit the aircraft to intercept and proceed along the reciprocal of the designated track
Procedure Turn
运输, 缩写	PT