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----- HISTORICAL RECORD -----

DUBM 20

Country of Origin: France

description

The DUBM 20, the first French minehunting sonar, is a hull-mounted, active minehunting sonar used for CIRCE-class minehunters. It is also known as the TSM 2020.

status

Initial operational capability (IOC) in 1972. No longer in production or in service.

builders

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

variants

The DUBM-20A upgrade began in 1984 and incorporated coherent processing, sweep-to-sweep integration, a performance indicator and a multi-image memory.

issues and notes

None.

operational notes

None.

variants alternative

TSM...

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