Usaf Academy Bullseye Aux Airstrip
CO90 has 1 runway. The longest is 17/35 at 3,487 ft × 75 ft (asphalt).
FAA NASR data, cycle 2026-09-03
CO90 field elevation is 6,036 ft MSL. The standard traffic pattern altitude at CO90 is 7,040 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
UNICOM 122.725 MHz — CO90 is non-towered; self-announce position and intentions on UNICOM.
Check CO90 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, CO90 is a non-towered airport.
The ASOS frequency at CO90 (Usaf Academy Bullseye Aux Airstrip) is 118.325 MHz.
CO90 has 1 runway (17/35). The longest runway is 3,487 feet.
CO90 uses the standard traffic pattern altitude of 1,000 feet AGL — about 7,040 feet MSL at a field elevation of 6,036 feet.
CO90 (Usaf Academy Bullseye Aux Airstrip) has a field elevation of 6,036 feet MSL.
CO90 (Usaf Academy Bullseye Aux Airstrip) is located in Ellicott, CO.