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procedure turn

aviat. 程序转弯 (一个飞行机动,一个从指定的航线转弯,其后是一个反方向的转弯,进行这两个转弯是为了使飞机进行中途拦截,并沿着指定的航线的反方向继续飞行。程序转弯既可以在平飞中,也可以在下降的时候进行。程序转弯可能向左,也可能向右,这取决于初始转弯。这是个规定的机动,当有必要进行反航线飞行,以便在中间或最终进近航线中来建立飞机进近航线。程序转弯或保持在程序转弯的位置,是飞行员训练课程中需做的机动飞行。当显示“No PT”符号的时候,当为最终进近航线提供雷达引导的时候,当进行计时进近的时候,或者当程序转弯没有被授权的时候,程序转弯是不需要的。当为最终进近航线提供雷达制导的时候,或者当显示“No PT ”的时候,不必保持在程序转弯的位置。为程序转弯指定的高度是最低高度,直到飞机已经确定进场航线上。此机动必须在飞行剖面图中规定的距离内完成)
espac. 程序转弯
techn. 程序转向
 Anglais glossaire
Procedure Turn
transp., abrév. PT
procedure turn
aviat. 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.
aviat., canad. 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
: 8 phrases, 2 sujets
Aviation5
Espace3