The economy appears to be in recovery, because sales of personal submarines and autonomous underwater vehicles (AUV) are on the rise. One company specialising in private submersibles is U-Boat Worx...

USA-based JW Fishers has introduced a line of low-cost transponders and an interrogator used to locate them. The Fishers MFT-1 multifrequency transponder is capable of transmitting 9 different frequencies between...

In March 2012, filmmaker and explorer James Cameron successfully completed his one-man dive to the bottom of the Mariana Trench. The dive was the centrepiece of the Deepsea Challenge expedition,...

Nautronix, UK, has been awarded orders to supply upgrades to NASDrill USBL Transponder digital acoustic positioning systems for two of Songa Drilling’s semi-submersible drilling rigs, the Songa Venus and Songa...

The companies Teledyne Benthos and Teledyne Webb Research, USA, celebrated their 50th and 30th anniversaries respectively last week at their North Falmouth facility. Nearly 400 people attended to celebrate the...

Over the past year, a number of Asian companies and government agencies have acquired underwater search equipment to aid in locating lost objects and assist in performing survey operations. In...

Knudsen Engineering have put their new 15kHz Pinger sub-bottom profiling system through its paces on Lake Champlain Vermont with the support of Middlebury College on their research vessel R/V Baldwin....

Military units and scientists are finding a broad range of applications for acoustic pingers, signalling devices that are attached to an underwater site or instrument package. Using a pinger receiver,...

Restricted operating life, limited range and bearing ambiguity in deep water are the known limitations of current locator beacons mounted on aircraft. These problems raise important questions: what is the...

Our July/August issue carried a news feature in the direct aftermath of the Air France Flight AF 447 crash. It seems this article was highly appreciated and, given the many...