1.
The plane was on/off course, ie following/not following the right course.
飞机航向正确[偏离航向].
2.
course and distance calculator
航向航程计算器航向与距离计算器
3.
course and speed made good through the water
对水推算航向及航速
4.
course scalloping
【航空】航向扇贝形现象
5.
Steer a specified course in a ship
（船航行时）取某航向
6.
course and speed made good over the ground
对地推算航向及航速
7.
Across the course, line, or length of.
横越…的航道穿过（船）的航向，航线或路线
8.
The captain set a course for New York.
船长定好航向驶向纽约.
9.
On the wrong track
航向错误,奉行错误方向
10.
Bear away: To alter course away from the wind.
航向下风：远离风向改变航行路线。
11.
course per standard compass
按标准罗航向按标准罗经航向
12.
To change or cause to change direction;go or cause to go from one tack to another.
使…转向改变方向或使…改变方向；从一个航向转到另一个航向或使从一个航向转到另一个航向
13.
LORANOMEGA course and track equipment
劳兰奥米加航向航迹组合设备罗兰奥米加航向航迹装置
14.
cross track error from the route
真航迹与计划航向交叉误差
15.
Turn right heading350 to intercept the localizer,27 miles from the touchdown.
右转航向350切入航道，距着陆点27海里。
16.
Continue the heading to intercept localizer, cleared for ILS approach.
继续这一航向切入航道，允许盲降进入。
17.
Research on Marine Speed and Heading Control and Turbine-Propeller Interaction
船舶航速和航向控制及机桨匹配研究
18.
localizer aerial
着陆航向信标台天线