Ferdinand Niedermeyer was a German fishing trawler that was requisitioned in the Second World War by the Kriegsmarine for use as a vorpostenboot, serving as V 413 Ferdinand Niedermeyer. She was bombed and sunk off St. Peter Port, Guernsey, Channel Islands on 24 July 1944.
Ferdinand Niedermeyer was 43.21m (141.77feet) long, with a beam of 7.14m (23.43feet). She had a depth of 3.3m (10.8feet) and a draught of 4.15m (13.62feet). She was assessed at, . She was powered by a triple expansion steam engine, which had cylinders of 15inches, NaNinches and NaNinches diameter by NaNinches stroke. The engine was made by Deschimag Seebeckwerft, Wesermünde. It was rated at 53nhp. The engine powered a single screw propeller.[1] It could propel the ship at 10kn.
Ferdinand Niedermeyer was built as yard number 439 by Deschimag Seebeckwerfte, Wesermünde for Grundmann & Gröschel, Wesermünde. She was launched on 18 September 1925 and completed in November. The Code Letters KRCJ were allocated,[1] as was the fishing boat registration PG 367. In 1934, her Code Letters were changed to DEAB.[2] In 1935, she was lengthened. She was now assessed at, .[3]
She was scheduled to take part in Unternehmen Seelöwe. On 23 May 1941, Ferdinand Niedermeyer was requisitioned by the Kriegsmarine for use as a vorpostenboot. She was allocated to 4 Vorpostenflotille as V 413 Ferdinand Niedermeyer. On 21 August 1944, she was sunk in the Bay of Biscay in an attack by Allied aircraft off Bayonne, Basses-Pyrénées, France. Also reported as sunk by Bristol Beaufighter aircraft of 236 Squadron, Royal Air Force and 404 Squadron, Royal Canadian Air Force off Le Verdon-sur-Mer, Gironde, France.[4]