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M 455

Minesweeper




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Service Data

In Service: 11 June 1943 to

Production Data

Ordered:
Builder: N.V. Werf Gusto Firma v/h A.F. Smulders, Schiedam
Construction No:
Laid down:
Launched: 7 December 1942
Commissioned: 11 June 1943

Technical Data

Type: 1940 Type Minesweeper/Minensuchboot
Class: M 261 Class

Displacement: 543 tons standard 775 tons full load
Length: 62.3 m
Beam: 8.9 m
Draft: 2.82 m
Propulsion: 2 × vertical 3 cylinder triple expansion engines producing up to 2,150 shp
Propellers:
Speed: 17.2 knots
Range: 4,000 nautical miles at 10 knots
Crew: 65 men and officers
Armament:
1 × 10.5 cm L/45
carried 120 rounds
1 × 3.7 cm L/83 SK C/30
carried 2000 rounds
2 × 2 cm MG L/65 C/30
carried 4000 rounds
7 × 2 cm MG L/65 C/30 after 1941
carried 14000 rounds
30 mines
Armour 10 mm
Aircraft:
Electronics:
Operators: Kriegsmarine
Variants:

Other: Minesweepers
Articles:

History

The M 455 Minesweeper (Minensuchboot) was built in the 1940s by N.V. Werf Gusto Firma v/h A.F. Smulders shipyard located in Schiedam, The Netherlands as a minesweeper or escort vessel for the Kriegsmarine.

Construction was transverse frame of steel construction, which was partly welded, this vessel also had eleven watertight compartments and a double bottom with hard chine foreship and tug stern. The superstructure, Bridge etc was armored up to 10 mm in thickness. The propulsion system installed in these vessels was the two vertical three cylinder triple expansion engines. And when used as minesweepers the Kabel Fern Raum Gerat (KFRG) system was employed, which used generators producing 60 V, 20 kW to power the magnetic sweeping gear.

This vessel went on to serve in the 29. Minensuchflottille during World War II.

And after the surrender of Germany was employed in the German Mine Sweeping Administration (GMSA) which was controlled by the allies.

Career

11 June 1943
The Minesweeper M 455 is commissioned.

1943
The Minesweeper M 455 becomes operational with the 29. Minensuchflottille.

30 July 1944
The Minesweeper M 455 is sunk after being attacked by Allied aircraft at Hamburg.

26 August 1944
The Minesweeper M 455 is refloated and undergoes repairs.

April 1945
The Minesweeper M 455 is sunk again after being attacked by Allied aircraft at Cuxhaven

1945
The Minesweeper M 455 is refloated and undergoes repairs.

1945
The Minesweeper M 455 serves with the German Mine Sweeping Administration (GMSA).

Commanders



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Sources

German Warships, 1815-1945: Major Surface Vessels.
ISBN-10: 0851775330

German Warships, 1815-1945: U-boats and Mine Warfare Vessels.
ISBN-10: 155750301X

German warships of the Second World War.
ISBN-10: 0668040378

For a complete list of sources
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