Dr. Adolf Spilker was a German fishing trawler that was requisitioned by the Kriegsmarine in the Second World War for use as a Vorpostenboot, serving as V 401 Dr. Adolf Spilker and V 402 Dr. Adolf Spilker. She was scuttled at Bayonne, France in August 1944.
Dr. Adolf Spilker was 54.56m (179feet) long, with a beam of 8.1m (26.6feet). She had a depth of 4.35m (14.27feet) and a draught of 3.77m (12.37feet). She was assessed at, . The ship was powered by a compound steam engine which had two cylinders each of 13inches and two cylinders each of NaNinches diameter by NaN0NaN0 stroke. The engine was built by Christiansen & Meyer, Harburg, Germany and was rated at 70nhp. It drove a single screw propeller.[1]
Dr. Adolf Spilker was built as yard number 261 by Schiffbau-Gesellschaft Unterweser AG, Wesermünde, Germany. She was launched on 22 August 1936 and completed on 22 September. She was built for F. Busse, Wesermünde. The Code Letters DFCN were allocated,[1] as was the fishing boat registration PG 502.
On 16 September 1939, she was requisitioned by the Kriegsmarine and commissioned with 4 Vorpostenflotille as the Vorpostenboot V 401 Dr. Adolf Spilker. On 16 October 1944, she was redesignated V 402 Dr. Adolf Spilker. She was scuttled as a blockship at Bayonne, Basses-Pyrénées, France on 20 August 1944.[2]