KOCH FLD
ARRIBA, CO
A privately owned, non-towered airfield in Arriba, Colorado, Koch Field carries the identifier 7CO4. The field has a single dirt runway, 09/27, measuring 5,000 by 60 feet.
No published instrument approaches are available, so all operations are conducted under visual flight rules. Without a control tower or advisory frequency, pilots rely on standard see-and-avoid practice for traffic coordination. There is no fuel service on record here. The field is designated private use, so prior permission from the owner is required to land.
Field elevation is 5,180 feet above mean sea level. Given the field elevation, pilots should watch density altitude on hot days.