The Fleet Air Arm squadrons flying off the "Attacker"-class escort carriers did have some successes of their own. The first of six confirmed U-boats destroyed by aircraft flying off "Attacker" class ships was on 10 February 1944, when two Fairey Swordfish from the 842 Naval Air Squadron on board sank west of Iceland. On 4 March, while on Arctic convoy patrol, Fairey Swordfish from 816 Naval Air Squadron on board so severely damaged with a salvo of RP-3 rockets that she could not submerge and was sunk by . For the rest of the day "Chaser"s Fairey Swordfish kept the U-boats at bay by identifying their locations to her escorts. They also damaged two other U-boats themselves. The was sunk by RP-3 rockets fired from a Fairey Swordfish on 5 March, and the on 6 March. Three other U-boats sighted managed to evade an attack in foggy conditions.