A short,winglike control surface projecting from the fuselage of an aircraft,such as a space shuttle,mounted forward of the main wing and serving as a horizontal stabilizer.

• 鸭式飞机的水平安定面和升降舵从一架飞行器伸出的一个短的翼状控制平面，如航天飞船的机身，被安在飞机翼前方，作为水平稳定器。