The ship 140feet long, with a beam of 24feet. She had a depth of 11feet. She was assessed at, . She was powered by a four-cylinder compound steam engine, which had two cylinders of 12inches diameter and two cylinders of 260NaN0 diameter by 26inches stroke. The engine was built by Christiansen & Meyer, Harburg, Germany. It was rated at 59 nhp. It drove a single screw propeller.[1] It could propel the ship at 11kn.
Richard C. Krogmann was built as yard number 226 by Schiffbau-Gesellschaft Unterweser, Wesermünde-Lehe, Germany. She was launched on 14 June 1928 and completed on 1 August. Owned by the Cuxhavener Hochseefischerei AG,} her port of registry was Cuxhaven. She was allocated the Code Letters RGVN,[1] and the fishing boat registration HC 206. On 8 March 1929, she was sold to the Nordsee Hochseefischerei. In 1934, her Code Letters were changed to DHUB.[2]
On 5 September 1939, Richard C. Krogmann was requisitioned by the Kriegsmarine. Designated as a minesweeper, she was allocated the pennant number M 1902. On 1 June 1940, she was redesignated as a vorpostenboot. She was allocated to 7 Vorpostenflotille as V 704 Richard C. Krogmann. On 1 July 1943, she was reallocated to 6 Vorpostenflotille as V 602 Richard C. Krogmann. On 11 December 1943, she struck a mine at the mouth of the Charente (45.9933°N -1.1625°W) and sank.