DUBM 42

The DUBM 42 is an active, side- and front-looking minehunting sonar developed for use on the French NARVIK-class (BAMO-class) minehunters. Although that class of ships was cancelled, these sonars were later deployed aboard French naval survey vessels.

The primary purpose of the sonar is to draw accurate seabed maps, However, it can also detect mines.

The DUBM 42 is an improved version of the DUBM 41B sonar system. The "wet" end consists of a single towed body containing three...