SAT 17 APR 1943
Japanese transport Shinnan Maru is sunk by mine (laid by USN TBFs on 30 March), near Buin, Bougainville, 06°50'N, 155°45'E.
Japanese ex-whale factory ship Nissho Maru is sunk by unknown agent about 160 miles east of Formosa, 23°36'N, 124°18'E.
Submarine Flying Fish (SS-229) sinks Japanese army cargo ship Amaho Maru off Yerimozaki, Hokkaido, 42°04'N, 143°22'E.
While escorting convoy HX 233, Coast Guard cutter Spencer (WPG-36) attacks German submarine U-175, which had located the convoy on the night of 16-17 April after U-262 had been driven off, and sinks her at 48°50'N, 21°20'W.
Tuesday, April 17, 2018
"Sunk By Unknown Agent"
by M. Bouffant at 19:43