The engine powered a single screw propeller driven via a low pressure turbine, double reduction gearing and a hydraulic coupling.

[1] Zieten was built as yard number 709 by Bremer Vulkan, Vegesack, for the Hochseefischerei F. A. Pust, Wesermünde, Germany.

The Code Letters DEAJ and fishing boat registration PG 419 were allocated.

[1] She was renamed Astrolabe on 21 January 1947 and arrived at L'Orient, Morbihan on 21 September 1947 for conversion to a survey vessel.

On 4 November 1948, she was removed from the Navy List and was returned to service as a fishing trawler.