Onishi Private Airfield

Ora, JP 🇯🇵 Closed Airport

ICAO

JP-3593

IATA

-

Elevation

- ft

Region

JP-10

Local Time

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Airport Information

GPS Code: Not available

Local Code: Not available

Location: 36.232271° N, 139.493043° E

Continent: Asia

Type: Closed Airport

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

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For Pilots

Designation Length Width Surface Status

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Airport Closure Information

Last updated: Nov 21, 2025

Closure Date

Approximately 2013-2014. The exact closure date is not officially documented, but the airfield ceased operations to allow for the construction of a solar power plant, which was announced and began development around 2015.

Reason for Closure

Economic redevelopment. The land was repurposed for a more profitable commercial venture. The high value of land in the region made the construction of a large-scale solar power facility a more economically viable use for the site compared to operating a small private airfield.

Current Status

The site has been completely redeveloped and is now the location of the Shirasagi Mega Solar Plant (白鷺メガソーラー発電所). This is a large-scale photovoltaic power station. The long, rectangular layout of the solar panel arrays clearly follows the footprint of the former runway.

Historical Significance

Onishi Private Airfield was a small, privately-owned airstrip that served the local general aviation and recreational flying community in Gunma Prefecture. Its operations were focused on light aircraft, ultralights, and sport aviation. It did not handle commercial or military traffic and its significance was primarily as a local hub for aviation enthusiasts rather than a key piece of national transportation infrastructure.

Reopening Prospects

None. The site is permanently occupied by the solar power plant, a significant and long-term infrastructure project. There are no plans or prospects for the airfield to be rebuilt or reopened.

AI-Generated Content: This closure information was compiled using AI from publicly available sources and historical records. Details may be incomplete or outdated; please verify with local aviation authorities for official status.

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