Hans Loh was a German fishing trawler that was requisitioned by the Kriegsmarine in the Second World War for use as a Vorpostenboot, serving as V 402 Hans Loh and V 406 Hans Loh. She struck a mine and sank in the Gironde Estuary in August 1944.
Hans Loh was 55.2m (181.1feet) long, with a beam of 8m (26feet). She had a depth of 4.65m (15.26feet) and a draught of 4.15m (13.62feet). She was assessed at, . The ship was powered by a triple expansion steam engine, which had cylinders of NaNinches, NaNinches and NaNinches diameter by NaN0NaN0 stroke. The engine was built by Deutsche Schiff- und Maschinenbau, Wesermünde, Germany and was rated at 96nhp. It drove a single screw propeller via double reduction gearing and a hydraulic coupling.[1] It could propel the ship at 12kn.
Hans Loh was built as yard number 565 by Deutsche Schiff- und Maschinenbau, Wesermünde. She was launched on 23 November 1936 and completed on 7 January 1937. She was built for Grundmann & Gröschel, Wesermünde. The Code Letters DFCQ were allocated,[1] as was the fishing boat registration PG 506.
On 17 September 1939, she was requisitioned by the Kriegsmarine and commissioned with 4 Vorpostenflotille as the Vorpostenboot V 402 Hans Loh. On 16 October 1939, she was redesignated V 406 Hans Loh. On 18 August 1942, she struck a mine and sank in the Gironde Estuary with the loss of eighteen of her crew. The mine had been laid by the .