The ship 131feet long, with a beam of 23feet. She had a depth of 10feet. She was assessed at, . She was powered by a triple expansion steam engine, which had cylinders of NaNinches, NaN0NaN0 and NaN0NaN0 diameter by NaNinches stroke. The engine was built by G. Seebeck AG., Wesermünde-Geestemünde, Germany. It was rated at 53 nhp. It drove a single screw propeller.[1] It could propel the ship at 10kn.
Carsten was built as yard number 439 by G. Seebeck AG., Wesermünde-Geestemünde, Germany. She was launched in June 1923 and completed in August. Owned by the L. Janssen & Co., her port of registry was Wesermünde. She was allocated the Code Letters KSBL,[1] and the fishing boat registration PG 342. In 1934, her Code Letters were changed to DEZI.[2]
On 22 September 1939, Carsten was requisitioned by the Kriegsmarine. Designated as a vorpostenboot. She was allocated to 7 Vorpostenflotille as V 705 Carsten. On 1 July 1943, she was reallocated to 6 Vorpostenflotille as V 603 Carsten. On 26 April 1944, V 606 Fladengrund was sunk in the Bay of Biscay by a Royal Air Force Handley Page Halifax aircraft with the loss of 21 of her 38 crew. V 603 Carsten rescued the survivors.[3] On 7 May 1945, she was declared a prize of war and allocated to France. Her name was changed to Thon in 1948. She was scrapped in 1954.