| 1. Sphere |
Indicates position of horizon relative to the
helicopter. Figure above shows level pitch, 10 degrees right bank. |
| 2. Attitude gyro flag |
Indicates loss of vertical gyro power or ADI malfunction. |
| 3. Vertical deviation (GS) |
Indicates helicopters position relative to glideslope centerline (ILS, FM
homing). |
| 4. Glideslope flag |
Indicates loss of or unreliable radio signal (ILS, FM homing). |
| 5. Pitch trim |
Adjust artificial horizon up (climb) or down (dive). |
| 6. Inclinometer |
Indicates helicopter trim |
| 7. Rate of Turn |
One needle width (4 minute turn): two needle widths (2 minute turns). |
| 8. Roll Trim |
Adjust artificial horizon right or left. |
| 9. Horizontal Deviation |
Indicate helicopter deviation from desired VOR, LOC, or FM course or
track. If doppler installed will show deviation from desired doppler course. |
| 10. Flight Director Flag |
Not used |
| 11. Horizontal Reference |
Indicates helicopter position relative to artificial horizon. |
| 12. Not Used |
|
