Heading Indicator

[IvanK]

Its a Directional Gyro that needs its initial datum heading set by the pilot and updated around every 15 mins or so.

1. Set Verge ring on main compass such that the T and N marking are aligned with the needle that has a small cross bar on its end. -------|-- N

2. Now read heading odd the Far side of the compass verge ring.

3.Set this heading on the DG

4. Fly the DG and ignore the compass

5. Every 15 mins repeat the procedure