Good work! It is an excellent representation of 14-P-1 of Patrol Squadron 14 (VP-14), and here is the Patrol Wing Two summary of operations on 7 December 1941, including the report that at "0700 14-P-1 sank enemy submarine one mile off Pearl Harbor entrance."
https://www.ibiblio.org/hyperwar/USN.../PatWing2.html
Don