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1st Minesweeping Squadron Flensburg-Mürwik In memory of the service on SM-Boat Waage M-1063. Type: Fast minesweepers Class: 340/341, built according to designs by Abeking & Rassmussen in 1957 based on the R-Boat type (R 302-312) of the former Kriegsmarine. Orders placed according to the first construction program (SM Boat 55); construction costs 7.33 million DM each. Construction materials: Teak, mahogany and oak, exclusively glued (only one layer of A-magnetic Krupp sheet in the bow area) and therefore insensitive to magnetic mines. However, the wooden construction resulted in rot problems, so that the boats often had to go to the shipyard for structural protection. The boats had traditional names that named individual celestial bodies or constellations. The boats were originally intended for a service period of 15 years. Construction period: 1957-1963. Drive: Class 340: Two Mercedes-Benz four-stroke 16-cylinder diesel engines, each with 2250 hp/1400 rpm and reduction gear. Class 341: Two Maybach four-stroke 16-cylinder diesel engines, each with 2380 hp/1600 rpm and reduction gear. Electrical systems: 3 diesel generators with 96 HP each, clearing diesel generator with 900 HP Maximum speed: 24.0 kn Dimensions: Length: 47.44 m Width: 7.20 m Draft: 2.15 m 2.20 m Weight: 241.5 ts 266.5 ts Armament: One 40 mm Flak L/70 Bofors Mine-laying capability (according to the rearmament statutes imposed for the defense of the Federal Republic of Germany, this type of boat was a minesweeper, but it was also possible to lay mines) Crew: 31 men Shipyards: 20 units Abeking&R. Lemw. 5 units Schlichting, Travem. 5 units Schürenstedt, Bardenfl. Bases: 1.MSG Flensburg 3.MSG Kiel 5.MSG Olpenitz