| Whilst sound carries better in water than in air, that hasn't stopped mammals from using sonar in the air too. |
| The ship lost its sonar dome and the starboard stabiliser in the grounding. |
| Heading aft towards the stern, we found the mizzenmast collapsed, which was why it had not shown up on the sonar. |
| Before the wells were dug, surveys and seismic testing had to be undertaken using sonar equipment, to find the best site for digging. |
| A closed-circuit television and close-range sonar provides for viewing objects already detected by the shipboard sonar. |
| Lidar is a remote sensing technique that uses laser light in much the same way that sonar uses sound or radar uses radio waves. |
