sonar

The San Francisco Police Department’s Marine Unit found the submerged wreckage using boat-mounted sonar.

From Los Angeles Times ● Sep. 18, 2026

So the department brought in a search company with the latest sonar technology as well as divers - and they found Schepers and her car at the bottom of the river in March 2025.

From BBC ● Jul. 31, 2026

To track this daily movement, UBC researchers Drs. Philip Matthews and Evan McKenzie placed a sonar system on the lake floor.

From Science Daily ● Jul. 27, 2026

Last month, explorers discovered the ruins of the Douglas DC-4 aircraft using an autonomous sonar drone that detected the aircraft's fuselage and tail.

From BBC ● Jul. 22, 2026

But three minutes after they began a sonar scan at the spot where they thought the vessel might be, they found it.

From "Shipwrecked!" by Martin W. Sandler

Mayer and other scientists argued that emerging technologies, especially multibeam sonars that produce detailed 3D images, offered an unprecedented opportunity to document little known sea floors off the U.S.

From Science Magazine ● Jan. 8, 2024

Using a variety of sonars and two remotely operated vehicles — Deep Discoverer and Serios — researchers aboard the ship are mapping and collecting samples from areas along the Aleutian Trench and Gulf of Alaska.

From Seattle Times ● Aug. 14, 2023

National Marine Fisheries Service that concluded the Navy had "killed at least six whales in an accident involving common ship-based sonars."

From Salon ● Jan. 19, 2023

It would dive to just a few hundred feet above the sea floor and then spend 24 hours pinging with different sonars back and forth across about 10 square nautical miles.

From New York Times ● Nov. 10, 2019

Tom filtered out the difference in the two sounds with the correlation calculator unit of one of his quality analyzer sonars.

From Tom Swift and the Electronic Hydrolung by Charles Brey