Japanese submarine chaser Cha-42

Cha-42 or No. 42 (Japanese: 第四十二號驅潜特務艇) was a No.1-class auxiliary submarine chaser submarine chaser of the Imperial Japanese Navy that served during World War II.

History
She was laid down on 10 July 1942 and launched on 7 June 1943. On 27 August 1943, she was completed, commissioned, and assigned to the Sasebo Defense Force, Sasebo Naval District. On 15 October 1943, she was reassigned to the 31st Guard Unit Unit, Manila. On 20 February 1945, she was reassigned to the 21st Special Base Force, Surabaya, Java.

On 23 June 1945, she was attacked and sunk by a torpedo from the American submarine USS Hardhead (SS-365) southeast of the Masalembu Islands at -5.73333°N, 114.26667°W. She was removed from the Navy List on 3 May 1947.