| Answer | Crossword Clue |
|---|---|
| PLUMB | Vertical direction indicator |
| APEAK | In a vertical direction, nautically |
| APEAK | In a vertical direction nautically |
| VANE | Direction indicator |
| ARROW | Direction indicator |
| BRIGHTARROW | Neon direction indicator? |
| VANE | Wind-direction indicator |
| VANE | Wind direction indicator |
| SOCK | Wind direction indicator |
| FLUXGATE | Direction indicator of the earth's magnetic field |
