At 23.57 hours on 1 Oct 1941 the San Florentino (Master Robert William Davis), a straggler from convoy ON-19, was hit amidships by one torpedo from U-94 southeast of Cape Farewell. The tanker had been spotted at 18.10 hours and missed by a first torpedo at 23.36 hours, but continued after being hit while firing into the direction of the U-boat.
At 02.49 hours on 2 October, the San Florentino was hit in the bow by a torpedo in grid AK 8194, radioed the position 52°42N/34°51W, dropped fog buoys and continued. She even proceeded after being hit in the bow by a third torpedo in grid AK 8434 at 04.26 hours and evaded another torpedo 25 minutes later, but broke in two at 05.02 hours. The wreck was hit by a coup de grâce at 05.52 hours, that caused a boiler explosion. The bow remained afloat upright and the stern only sank slowly, so the U-boat fired 34 rounds from the deck gun into it and then left the area. Parts of the wreck were scuttled by gunfire by HMCS Alberni (K 103) (LtCdr G.O. Baugh) on 2 October.

The master, 21 crew members and one gunner from San Florentino were lost. 31 crew members and four gunners were picked up by HMCS Mayflower (K 191) (LtCdr George Stephen) and landed at St. Johns.