Minehunter

A Pinguin B3 minehunting ROV of the German Navy, explosive charges can be seen underneath the main body.
A Royal Norwegian Navy Alta-class minesweeper, a catamaran, air-cushion vessel.

Minehunters are mine countermeasure vessels that actively detect and destroy individual naval mines. Minesweepers, on the other hand, clear mined areas as a whole, without prior detection of mines. A vessel that combines both of these roles is known as a mine countermeasures vessel (MCMV).

A minehunter uses an imaging sonar to detect and classify targets and then sends out divers or remotely operated vehicles to inspect and neutralise the threat, often using small charges that are detonated remotely.

As minehunters will often be operating in close proximity to mines, they are designed so as to reduce their own acoustic and magnetic signatures, two common forms of trigger for mines. For example, they are often soundproofed by mounting machinery on shock absorbers or by using quiet electrical drive and usually have a wood, glass-reinforced plastic (GRP) or non-ferrous metal hull, or are degaussed to reduce magnetic signature.

Minehunters are generally small, shallow-draught vessels, as they are often called upon to work in enclosed bodies of water such as shipping channels or harbours. As manoeuvrability in such areas is critical the Voith-Schneider cycloidal propulsor is commonly used, allowing the engine thrust to be transmitted in any direction. A number of modern vessels use catamaran hulls to provide a large, stable working platform with minimal underwater contact; this reduces draught whilst lowering acoustic transmission and reducing the fluid pressure generated by the moving hull that may otherwise detonate mines with a hydraulic pressure trigger.


  • List of minesweeper classes

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Look at other dictionaries:

  • minehunter — noun Brit. a warship used for detecting and destroying explosive mines. Derivatives minehunting noun …   English new terms dictionary

  • minehunter — /ˈmaɪnhʌntə/ (say muynhuntuh) noun a small boat designed to locate and destroy mines around shallow water ports and harbours. Also, mine hunter. –minehunting, adjective …   Australian English dictionary

  • minehunter — mineˈhunter noun A ship equipped for locating undersea mines • • • Main Entry: ↑mine …   Useful english dictionary

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