jiào liàn ràng xué yuán liàn xí yòng fāng xiàng duò kòng zhì fēi jī de shuǐ píng fēi xíng fāng xiàng。

教练让学员练习用方向舵控制飞机的水平飞行方向。

The instructor had the student practice using the rudder to control the airplane's horizontal flight direction.