Onohara Airfield

Mooka, JP πŸ‡―πŸ‡΅ Closed Airport

ICAO

JP-2202

IATA

-

Elevation

310 ft

Region

JP-09

Local Time

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Airport Information

GPS Code: Not available

Local Code: Not available

Location: 36.47598Β° N, 139.99099Β° E

Continent: AS

Type: Closed Airport

Terminal Information Not Available
Terminal arrivals and departures are only available for airports with scheduled commercial service and IATA codes.

External Links

Nearby Points of Interest

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Airport Information

Airport Closure Information

Last updated: Jul 25, 2025
Closure Date

August 1945

Reason for Closure

Military Decommissioning. The airfield was a military installation for the Imperial Japanese Army Air Service. It ceased all operations following the surrender of Japan at the end of World War II and the subsequent dissolution of the Japanese military. The site was never converted for public or private civilian aviation use.

Current Status

The former airfield site is now the Honda R&D Tochigi Proving Ground (Automobile). In 1974, Honda Motor Co., Ltd. acquired the land and developed it into a massive, high-security automotive research and development center. The site is extensively used for testing new Honda and Acura vehicles and features numerous specialized test tracks, including a high-speed oval, handling courses, and various road surface simulations. The original airfield infrastructure has been entirely removed and replaced by the automotive facility.

Historical Significance

Onohara Airfield was originally the Kumagaya Army Flight School's Onohara Branch School (η†Šθ°·ι™Έθ»ι£›θ‘Œε­¦ζ ‘ε€§ι‡ŽεŽŸεˆ†ζ•™ε ΄). Constructed around 1943-1944 during the height of World War II, its sole purpose was to serve as a training facility for new pilots of the Imperial Japanese Army Air Service. It played a role in Japan's late-war effort to rapidly increase its number of pilots. The airfield consisted of grass runways and basic facilities typical of a wartime training base and did not handle any commercial or general aviation traffic.

Reopening Prospects

None. The site is a critical, privately-owned R&D facility for Honda, a major multinational corporation. The land is highly developed and integral to the company's global operations. There are no known plans, discussions, or prospects for converting the site back into an airfield.

Nearby Airports

Kiyohara Airfield
JP-2201
Utsunomiya, JP
Closed Airport
~8 km away
Kinu Waterside Observation Center Heliport
JP-3347
Moka, JP
Heliport
~9 km away
Tochigi Heliport
JP-0107
Haga, JP
Heliport
~9 km away
Kawada Heliport
JP-2054
Haga, JP
Heliport
~10 km away
Utsunomiya Auxiliary Airfield
JP-0707
Utsunomiya, JP
Small Airport
~11 km away
Utsunomiya Airport
RJTU
Utsunomiya, JP
Medium Airport
~12 km away
Distances are approximate and calculated as straight-line distances.

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