How to sink carriers (WW2 era)

So im tryin to complete the “Kraken” achievement

Basically sink 5 carriers, my main problem is, I don’t have precision munitions
Im lookin for solutions below rank V, the smaller the plane, the better.
Because I don’t want to play the PB4Y and spam the seamines in the path of the carrier.

I’ve come close with the IL-4 because I nailed a boiler with the AP bombs, but severes don’t count and I nailed carriers with my Ki-67’s torpedoes a lot of times but it made even less of a difference, i’ve tried 1 and 4 meter depth strokes and still couldn’t nail a carrier to the seafloor.

Failure

Im thinkin of the FX 1400, but the he-111 is a horrible platform, so i’ll wait if any of you have a better solution.

I see from time to time carrier kills with props - mainly by Thai SB2Cs on Pacific maps. The main challenge is imho that the carriers die quite often with a rather long delay due to their damage model.

The last instant kill i witnessed was a G5N1 going on New Guinea map…