Yaw axis - Vertical axis, passes through the airplane from top to bottom - left and right control is by rudder.
偏航轴—又称垂直轴。由机身上方通向下方。飞机绕此轴转动即造成机首之左右运动，此一运动由方向舵控制。
2
The high-aspect-ratio flying wing eliminates vertical tail and conventional rudder, and uses instead a split drag rudder with large deflection as its directional control surface.
大展弦比飞翼布局飞机取消了垂尾和常规方向舵，通常采用大偏角的开裂式方向舵作为偏航操纵面。
3
The assembly and installation of the vertical and horizontal stabilizers, cabin door, rudder and elevator assemblies are being concluded.