01IS in 20 seconds
William E. Koenig Airport serves Dow, US.
AirportRoutes · updated Dec 6, 2025
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Common questions about 01IS
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Where is William E. Koenig Airport located?
William E. Koenig Airport is located in Dow, US, at an elevation of 670 ft. Its IATA code is — and ICAO code is 01IS.