Otto Bröhan was a German fishing trawler that was requisitioned by the Kriegsmarine in the Second World War for use as a Vorpostenboot, serving as V 207 Otto Bröhan and V 206 Otto Bröhan. She was scuttled at Caen, Calvados, France in June 1944. She was raised in March 1945 and converted to a survey ship for the French Navy, renamed Ingénieur Hydrographe Nicolas. She served until 1960 and was then scrapped.
Description
Otto Bröhan was 55.65 metres (182 ft 7 in) long, with a beam of 8.44 metres (27 ft 8 in). She had a depth of 4.21 metres (13 ft 10 in) and a draught of 4.90 metres (16 ft 1 in).[1] She was assessed at 510 GRT, 189 NRT, 1050t displacement.[2][3] The ship was powered by a triple expansion steam engine, which had cylinders of 35 centimetres (13+3⁄4 in), 55 centimetres (21+5⁄8 in) and 88 centimetres (34+5⁄8 in) diameter by 66 centimetres (26 in) stroke. The engine was made by H. C. Stülcken Sohn, Hamburg, Germany. It was rated at 135nhp and 540ihp.[2] It drove a single screw propeller via a low pressure turbine, double reduction gearing and a hydraulic coupling,[2] and could propel the ship at 12.5 knots (23.2 km/h).[1]
History
Otto Bröhan was built in 1937 as yard number 723 by H. C. Stülcken Sohn, Hamburg,[1] for Cranzer Fischdampfer AG, Hamburg.[2] She was launched on 28 December.[4] The Code Letters DJVI were allocated,[2] as was the Cranz an der Elbefishing boat registration PC 9.[4][5] The trawler was named after Otto Bröhan, a fishing boat captain from Hamburg.[citation needed] She entered service on 8 March 1938. On 1 April, her registration was moved to Hamburg as HH9.[4][5] She fished off Norway and Iceland.[citation needed]
In March 1945, Otto Bröhan was refloated, given basic repairs at Caen, and laid up in August 1946.[3] She was acquired by the French Navy and, between 1947 and 1948, converted to a hydrographic survey vessel at the naval dockyard at Cherbourg, Manche.[3] She was commissioned on 1 January 1949 as Ingénieur Hydrographe Nicolas, with the Pennant Number P 664.[3] Her armament consisted of two 20 mm cannon.[11] Her complement was 68 men.[11] She was based at Toulon, Var and was used for survey and mapping work of French and North African coasts.[citation needed]Ingénieur Hydrographe Nicolas was withdrawn from service on 18 July 1960.[citation needed] She was sold at Cherbourg that year by the Domaines de l'État, as Q 193, for scrapping.[3]
^ abcde"Otto Bröhan (12206)"(PDF). Lloyd's Register: Chalutiers &c. OTT-OVE (in English and French). London: Lloyd's Register. 1939–1940. Retrieved 24 May 2022 – via Southampton City Council.
Gröner, Erich (1993). Die deutschen Kriegsschiffe 1815–1945 (in German). Vol. 8/I: Flußfahrzeuge, Ujäger, Vorpostenboote, Hilfsminensucher, Küstenschutzverbände (Teil 1). Koblenz: Bernard & Graefe. ISBN3-7637-4807-5.
Paterson, Lawrence (2017). Hitler's Forgotten Flotillas: Kriegsmarine Security Forces. Barnsley, UK: Seaforth Publishing. ISBN978-1-4738-8239-3.
Roche, Jean-Michel (2013). Dictionnaire des bâtiments de la flotte de guerre française de Colbert à nos jours [Dictionary of French Warships from Colbert to Today] (in French). Vol. II: 1870–2006 (2nd ed.). France. ISBN978-2-9525917-3-7. OCLC165892922.{{cite book}}: CS1 maint: location missing publisher (link)