Other critical subsystems are also undergoing independent testing. An underwater positioning system and a side-scan sonar were tested at Idukki.

Crews were doing both maritime and land searches throughout the day Saturday. The Coast Guard used side-scan sonar during their search, but the two fishermen were not found.

An extensive search of Noosa waters to investigate an alleged croc sighting has concluded, with many speculating on the likelihood of its existence.

On the research side, a version of EMILY designed to take water samples is used in France and Ireland to monitor red tide along the coasts, while sonar-equipped EMILYs scan the waterways of ...

The impact shattered the aircraft into small fragments that would, over seven decades, sink into the mucky lake bottom, hiding them from detection by side-scan sonar.

A side scan sonar image of a shipwreck located in Wisconsin's Fox River. Archeologists believe the wreck belongs to the L.W. Crane, which burned in 1880.

INS Nistar, India's first indigenous Diving Support Vessel, enhances submarine rescue and deep-sea operations, boosting maritime capabilities.

Geophysical scans, side-scan sonar imaging and seabed investigations have so far identified several closely clustered wrecks in the shallows.

A 14-year-old boy remains missing after he went under the water while swimming in Lake Michigan at Illinois Beach State Park near Zion as crews have begun a second day of searches Wednesday morning.

A boat with side scan sonar was deployed but fire officials said the water conditions were choppy. Emergency crews ended the second day of their search effort with no results.

On the other side scan the panel to activate the fans and rid the place of that awful gas. In the process, those Puffer creatures will break the fan grating on the other side revealing an Energy Tank.