Location
Located on Shumshu Island.

Construction
This base had two runways 5,000' x 250' and 4,000' x 250'.  The base had a large 130' x 165' hanger with 13 covered ravetments and 34 uncovered ravetments, three 60' oil storage tanksand other barracks and supply buildings. The base also had a seaplane facility on the harbor, allowing H6K2 Mavis flying boats to operate at the base.

Japanese Usage
Headquarters of the 5th Fleet.

IJN Units based at Kataoka:
Hokuto Kokutai (553rd Kokutai) - B5N Kate & B6N Jill
203rd Kokutai (A6M, J1N1) det. Hokkaido April 25, 44 - Aug 11, 45
Shumshu Det (19 A6M of 203rd Ku) Aug 11 - Oct 23, 45 to Japan
JAAF Units based at Kataoka
54th Air Regiment (4 x Ki-43, K-44)

American Missions Against Kataoka
August 11, 1943 - August 23, 1945

B5N Kate Manufacture 5353 Tail 53-305
Recovered in 2003 by Daniel Hunt

A6M2 Model 21 Zero Tail Code 03-08
Center section / partial wings only. Recovered by Daniel Hunt in 2003