4–2–10 Directions
The three digits of bearing, course, heading, or wind direction should always be magnetic. The word “true” must be added when it applies.
Examples:
1. (Magnetic course) 005: zero zero five
2. (True course) 050: zero five zero true
3. (Magnetic bearing) 360: three six zero
4. (Magnetic heading) 100: heading one zero zero
5. (Wind direction) 220: wind two two zero