CNU4 in 20 seconds
Belleville Aerodrome serves Belleville, CA.
AirportRoutes · updated Jan 24, 2026
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Common questions about CNU4
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Where is Belleville Aerodrome located?
Belleville Aerodrome is located in Belleville, CA, at an elevation of 320 ft. Its IATA code is — and ICAO code is CNU4.