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Country of Origin: France


The DSTV 4 is a 31-channel omni-directional passive sonobuoy for airborne anti-submarine warfare and can be dropped from a helicopter or a fixed-wing aircraft.

It operates at 65 or 330 feet (with a 990-foot-option for the 4M variant) and has a lifetime of up to eight hours. The successor is the DSTV 7.


Some 13,000 were produced. Current status is not reported.


 Thales (formerly Thomson Marconi Sonar SS), Sophia Antipolis, France


   Total                   17 lb (8...

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