Ships hit during WWI

HMT Sapper

NameHMT Sapper
TypeNavy trawler
GRT276 tons
Country  British
BuilderSmith’s Dock Co., Ltd., Middlesbrough
OperatorRoyal Navy

U-boat attacks on Navy trawler Sapper

DateU-boatLoss typePositionLocationRouteCargoCasualties
129 Dec 1917UC 71 (Ernst Steindorff)SunkMined near the Owers LV
50° 37'N, 0° 41'W


Hit a mine laid on December 24, 1917 during the night with the explosion witnessed by two ships. No survivors.

Position of attack on Sapper


1917 (1).

Click on any marker to see the info on vessel. Left double-click to zoom-in. Right double-click to zoom-out.

1 map position found. In some cases the exact positions of losses are not known, those are not shown.

If you can help us with any additional information on this vessel then please contact us.

Return to WWI Ships Attacked main page