Patrol 1

30 Sep 1944 - 4 Dec 1944

第十二雲海丸 Unkai Maru No. 12

カロリン丸 Caroline Maru (small vessel not credited to Blackfin in JANAC)

Patrol 2

2 Jan 1945 - 15 Feb 1945

Patrol 3

6 Mar 1945 - 9 Apr 1945

Patrol 4

7 May 1945 - Jum 1945

Patrol 5

11 Aug 1945 - 5 Sep 1945

Current research credits Blackfin with sinking 3 ships totalling 4,645 tons. These figures are the same for Alden-McDonald.

JANAC credits Blackfin with 2 ships totalling 4,325 tons.

SORG credits Blackfin with 2 ships and 5,500 tons sunk.

Japanese Naval and Merchant Ship Losses - JANAC on the NHHC website

JANAC on the Hyperwar website - https://www.ibiblio.org/hyperwar/Japan/IJN/JANAC-Losses/JANAC-Losses-6.html

SORG- http://archive.hnsa.org/doc/subreports-sorg.htm (Excel spreadsheet download)

Archives of the Pacific Fleet Submarine Museum (PFSM)

War Patrol Reports - USS Blackfin

Monthly Losses of Combatant and Non-Combatant Vessels

太平洋戦争時の喪失船舶明細表（汽船主体）- Lost Vessel table during the Pacific War (merchant vessels)

Alden, John D., and McDonald, Craig R. - U.S. & Allied Sub Successes in the Pacific & Far East during WWII - Fourth Edition, 2009

Cressman, Robert - The Official Chronology of the U.S. Navy in World War II, Naval Institute Press, 2000.

Wrecksite - https://www.wrecksite.eu/wrecksite.aspx

Miramar Ship Index - https://www.miramarshipindex.nz/

Imperial Japanese Navy Page - http://www.combinedfleet.com/

Wikipedia Japan - https://ja.wikipedia.org/wiki/

Japan Center for Asian Historical Records - National Archives of Japan - https://www.jacar.go.jp/index.html

Official U.S. Navy Photos - Naval History & Heritage Command

Archives of the Pacific Fleet Submarine Museum (PFSM)

Imperial Japanese Navy Page - http://www.combinedfleet.com/

Japanese Merchant Ship photos - Wrecksite - copyright owners retain all rights. Photos used on this site will be taken down should the owner request their removal.