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  Ki-49-I Helen Manufacture Number 174  
JAAF
61st Sentai
1st Chutai

Pilot  Captain Katsuhiro Ohta (KIA, BR)
Crew  Warrant Officer Katumi Nakahara (KIA, BR)
Crew  Sergeant Major Hiroshi Tuchiya (KIA, BR)
Crew  Sergeant Major Nasakatu Shinagawa (KIA, BR)
Crew  Sergeant Major Harukichi Jitukawa (KIA, BR)
Crew  Sergeant Major Naburo Hayakawa (KIA, BR)
Crew  Sergeant Kaichiro Hariya (KIA, BR)
Crew  Sergeant Haruyuki Kadota (KIA, BR)
Crashed  June 20, 1943

Aircraft History
Built by Nakajima. Uncoded serial number 74. Delivered to the Japanese Army Air Force (JAAF) as Type 100 Heavy Bomber Donryu / Ki-49-I (Helen) manufacture number 174.

Wartime History
Assigned to the 61st Hiko Sentai (61st Flying Regiment), 1st Chutai. No known markings.

Mission History
On June 20, 1943 took off piloted by Captain Katsuhiro Ohta on a bombing mission against Darwin. Over the target, shot down and crashed near Koolpinyah.

Wreckage
The crash site was investigated by Allied Technical Intelligence Unit (ATIU) that found the manufacture number 174.

Richard Dunn adds:
"After the army raid of 20 June, the wreckage of No. 174 was found and inspected by Allied crash intelligence. No. 174 was a model I version of the Type 100 heavy bomber but found to be equipped with the 1,450 HP engines which were standard on the model II. This raises the possibility that some of the model I's produced were retrofitted by replacing their 1,250 HP engines with the more powerful engines. Aircraft that did not receive the upgrade were probably relegated to training or transport duties."

Recovery of Remains
After the crash, the remains of the crew were recovered and buried.

Memorials
The remains of the crew were buried at Cowra Japanese War Cemetery at graves B04-02 to B04-09. It is unclear if these are individual graves or a collective grave (group burial) that spans those graves.

References
Nakajima Ki-49 Serial Numbers by Jim Long
Darwin's Air War (Revised Edition) page 79
Rikai Means Understanding by W. W. Appleton pages 12-13
The Empire Strikes South (2017) by Tom Lewis pages 105-112, 198
Thanks to Richard Dunn and Daniel Leahy for additional information

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Last Updated
November 7, 2023

Tech Info
Ki-49
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