Fighting the U-boats
British air Forces
Coastal Command sank 155 boats
159 U-boats sunk, 83 of those were sunk by USN aircraft.
17 U-boats sunk.
Norwegian air forces
2 Squadrons (No. 330 and 333) sank
Participated in sinking 29 boats (often while in RAF units).
One U-boat sunk (U-321) and one more (U-441) claimed.
French air forces
Two boats sunk (U-403 and U-105).
Czechoslovakian air forces
3 boats sunk by Squadron 311.
South African, Soviet and Brazilian air forces sank one U-boat each.
All the figures here refer to U-boats in commission.
Each air force will have its own page as soon as I'll have enough info on each of them. Feel free to contact me if you have any info.