On 24 September 1946, Green Ranger was struck by a torpedo in Portland Harbour, Dorset.

She broke her tow from the tug that was taking her to be refitted in Cardiff, and drifted onto the rocks.

Her skeleton crew of seven were rescued by the Hartland Lifesaving Company, with their breeches buoy.

[4] The ship became a total loss, and her remains are still visible at low tide.

This article about a specific naval auxiliary ship or boat of the United Kingdom is a stub.