[1] It was built in Bremerhaven by Schichau Seebeckwerft and was originally owned by Grundmann & Gröschel.

[2] On 30 August 1940 the ship was requisitioned by the Kriegsmarine, listed as VP 801, and placed as a Vorpostenboot in the 8th Picket Boat Flotilla.

It was one of five picket boats in the convoy, which also consisted of the submarine hunter UJ 1409 and eight minesweepers.

[1] Although Max Gundelach was serving as the convoy's doctor ship,[1] it was still armed with small caliber weapons and depth charges.

[1] The fight was not long, but the picket boat did expend part of its larger caliber ammunition.