She participated in the attacks on the German battleship Tirpitz as part of the Home Fleet Strike force of Operation Tungsten, during which her role was to provide fighter cover.
[1] On 4 May 1945 aircraft from the escort carriers Searcher, Queen, and Trumpeter, taking part in Operation Judgement, sank the German submarine U-711 in Kilbotn harbour in the Arctic near Harstad, Norway.
[2] Grumman TBF Avenger torpedo bombers escorted by Grumman F4F Wildcat fighters attacked the U-boat crew barracks ship MS Black Watch, the submarine tender MS Senja and the floating flak battery Thetis (the former Norwegian coastal defence ship HNoMS Harald Haarfagre).
[1] Searcher was returned to the US Navy under the terms of the Lend-Lease arrangement on 29 November 1945 and was listed for disposal on 7 February 1946.
[4] The decommissioned escort carrier was sold to J & A T Vatis, a Greek shipping company, and renamed Captain Theo in 1952.