(HA-201 - colorized photo)
IJN Submarine HA-216:
Tabular Record of Movement
© 2006-2017 Bob Hackett & Sander KingseppRevision 2
27 May 1945:
Sasebo Navy Yard. Laid down as a Sensuikan Taka
Sho (Fast Small Submarine), (STS) Type No. 4926.
7 June 1945:
Numbered HA-216 and provisionally attached to Sasebo
15 June 1945:
Lt Yasoshima Mokuzo (71)(former navigating officer of
I-369) is appointed the Chief Equipping Officer (CEO).
19 June 1945:
16 August 1945:
Completed and officially commissioned in the IJN.
Assigned to SubDiv 52 under Cdr Tagami Meiji (former CO of I-45). A skeleton
crew under Lt Yasoshima remains aboard for the following few days. 
23 August 1945:
Lt Yasoshima is reassigned to Sasebo Sailor Corps.
2 September 1945:
Sasebo. HA-216 is surrendered to the Allies.
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.
5 April 1946:
Off Sasebo Bay. HA-216 is scuttled by the USN with
RO-31, HA-207, HA-210, HA-215, HA-217, HA-219 and HA-228.
 According to Lt Yasoshima's own memoirs, he did not
receive an order to assume command of HA-216 following its completion.
Special thanks for help in preparing this TROM go to Dr. Higuchi
Tatsuhiro of Japan and to fellow submarine enthusiast Steve Eckardt of
– Bob Hackett and Sander Kingsepp.
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