IJN Submarine HA-109:
Tabular Record of Movement
© 2006-2015 Bob Hackett & Sander Kingsepp Revision 1
1 August 1944:
Kobe. Laid down at Mitsubishi's Kobe
Yard as a Sensuikan Yu Sho (Small Supply Submarine) No. 4609, (SS) Type.
10 January 1945:
5 March 1945:
Lt Kurashina Yasusuke (68)(former torpedo officer
of I-401) is appointed the Chief Equipping Officer.
10 March 1945:
Kobe. Completed and assigned to SubRon 11. Attached
to Kure Naval District. Lt Kurashina is the CO.
20 March 1945:
Reassigned to the 10th Special Attack Unit tasked with
the supply of "Koryu"class midget
submarines. Lt Kunihiro Nobuharu (68)(former CO of HA-101) is appointed the new
CO. HA-109 is converted to a midget submarine tender, carrying ten 450-mm
(17.7-in) torpedoes in her cargo hold.
15 August 1945:
Matsuura, Saeki Bay. The Emperor Hirohito (Showa)
broadcasts an Imperial Rescript that calls for an end to hostilities. Aboard
HA-109, all secret documents are destroyed. A part of fuel and food is
distributed to the local fishermen.
Late August 1945:
Departs Saeki for Kure, arriving on the 24th. En
route, all torpedoes and ammunition are dumped overboard. A skeleton crew of 8
sailors remains aboard including the CO.
2 September 1945:
Kure. HA-109 is surrendered to the Allies.
2 November 1945:
Reassigned to Japanese Submarine Division Two under
Cdr (later Captain) John P. Currie, USN with HA-103, HA-105, HA-106, HA-107,
HA-108 and HA-111.
HA-109 is ordered to proceed through mine-infested
waters to Sasebo.
30 November 1945:
Removed from the Navy List.
26 March 1946:
Washington, DC. At a Submarine Officer's Conference,
attended by former ComSubPac Vice Admiral Charles A. Lockwood, it is decided to
dispose of all remaining captured Japanese submarines by sinking.
1 April 1946: Operation "Road's End":
Goto Islands. Scuttled by the
USN just beyond the 100-fathom line at 32-37N, 129-17E.
Special thanks for help in preparing this TROM go to Dr.
Higuchi Tatsuhiro of Japan.
– Bob Hackett and Sander Kingsepp.
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