| Like bats, dolphins use echolocation, an internal sonar system, to help them navigate, avoid predators and find food. |
| But Balcomb said he is fighting, nonetheless, to prove that sonar is dangerous to orcas too. |
| We were chasing an underwater target and having a good time, using sonobuoys before moving in for the kill with the dipping sonar. |
| The parliament called upon member states to immediately restrict the use of high intensity active naval sonar in waters under their jurisdiction. |
| The ship lost its sonar dome and the starboard stabiliser in the grounding. |
| The bow planes are positioned close to the midship to improve the performance of the sonar. |
