Wehrmacht History 1935 to 1945


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M 33


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Service Data

In Service: 18 December 1942 to 19??

Production Data

Builder: Lübecker Maschinenbau Gesellschaft, Lübeck
Construction No: 432
Laid down:
Launched: 1 April 1942
Commissioned: 18 December 1942

Technical Data

Type: 1938 Type Minesweeper/Minensuchboot
Class: M 25 Class

Displacement: 713 tons standard 908 tons full load
Length: 71 m
Beam: 9.2 m
Draft: 2.12 m
Propulsion: 2 × Lentz uniform expansion engines producing up to 3,200 shp
Propellers: 2 × Voith-Schneider
Speed: 18.1 knots
Range: 5,000 nautical miles at 10 knots
Crew: 90 men and officers
2 × 10.5 cm L/45
carried 480 rounds
3 × 2 cm MG L/65 C/30
carried 6000 rounds
30 mines
Armour 10 mm
Operators: Kriegsmarine

Other: Minesweepers


The M 33 Minesweeper (Minensuchboot) was built in the 1940s by Lübecker Maschinenbau Gesellschaft shipyard located in Lübeck, Germany as a minesweeper or escort vessel for the Kriegsmarine.

Construction was longitudinal and ransverse frame of steel construction, which was partly welded, this vessel also had thirteen watertight compartments and a double bottom. The propulsion system installed in these vessels was the two Lentz uniform expansion engines. And when used as minesweepers the Kabel Fern Raum Gerät (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 7. 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.


18 December 1942
The Minesweeper M 33 is commissioned.

The Minesweeper M 33 becomes operational with the 7. Minensuchflottille.

The Minesweeper M 33 is seized as a prize of war by the British.

The Minesweeper M 33 serves with the German Mine Sweeping Administration (GMSA).

The Minesweeper M 33 is used as an accommodation vessel for wreck salvage.

The Minesweeper M 33 is broken up and scrapped.



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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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