Sonar

Sonar Testing
10:26 am
Tue March 4, 2014

Navy Seeks Permission To Keep Using Sonar Training Plans, But Are Whales At Risk?

FILE - This image provided by the Cascadia Research Collective shows an adult female beaked whale swimming off the Kona coast in Hawaii, Dec. 4, 2006.
Robin W. Baird AP Photo/ Cascadia Research Collective

Active sonar is the Navy’s best weapon to detect the presence of hostile submarines. But that same powerful underwater pulse of sound can harm or even kill whales and other marine mammals.

Now, the Navy is seeking permission to continue using a huge swath of the Northwest coast, from northern California to the Canadian border, for a wide range of naval training and practice, including sonar. The Navy says it’s taking precautions to protect whales, but others say it’s not enough. 

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Navy Sonar Use
11:27 am
Thu September 26, 2013

Judge Wants Feds to Reassess Navy Sonar Permits

File image
Hugh E. Gentry AP Photo

A judge is requiring federal regulators to reassess permits that allow the Navy's expanded use of sonar in training exercises off the West Coast.

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