The ship was built in 1978 by the Schweers shipyard in Bardenfleth under shipyard no. 6430 built. The daughter boat was manufactured by the same shipyard under (hull number 6431) at the same time. On April 6, 1978, the ship Bardenfleth in the name of was Wilhelm Kaisen , a longtime mayor of the city of Bremen , baptized , the daughter boat was given the name of Kaisens wife.
The Wilhelm Kaisen was stationed on July 19, 1978 in the southern port of the island of Helgoland . In 2000 the Wilhelm Kaisen was completely overhauled in the shipyard together with the John T. Essberger . Among other things, the on-board technology was renewed, the crew quarters redesigned and the on-board hospital converted into a multi-purpose room. So the on-board hospital can z. B. can be converted into additional accommodation or a meeting room. In addition, the stern of the rescue cruiser and the daughter boat was widened mainly in the area below the waterline. These widenings led to better course stability at high seas from aft . With the commissioning of the Hermann Marwede on Heligoland, the Wilhelm Kaisen was relocated to Sassnitz on the island of Rügen on July 8, 2003 . On May 18, 2012 the cruiser was taken out of service and replaced by the new Harro Koebke .
The Wilhelm Kaisen was sold by the DGzRS and used under the name Sherrie Anne under the flag of Togo for security services against piracy off the East African coast. For this purpose, it was overhauled at Tamsen Maritim in Rostock-Gehlsdorf in autumn 2012 and left Rostock on December 21, 2012. Looking for a buyer, it lay in the port of Dubai for a long time in 2016 , before being scrapped in Mumbai in May 2017 (India) was brought.
