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Boulder Municipal Airport could begin offering unleaded aviation fuel by late 2026, part of a state-mandated plan to phase out leaded avgas by 2030.

Rocky Mountain Metropolitan Airport (RMMA) has reached a major milestone in its Unleaded Fuel Transition Plan, announcing the availability of UL94 unleaded aviation gasoline, an FAA-approved fuel that contains no lead and is compatible with approximately two-thirds of piston-engine aircraft operating at the airport.

Funded entirely by aviation fuel taxes, CDOT's aeronautics division helps with airport infrastructure projects

Rocky Mountain Metro Airport (BJC) has seen a notable surge in TCAS resolution alerts and close proximity incidents. A contributing factor to this increase has been a lack of route structure for aircraft entering, exiting, and transitioning the airspace.

The FAA has implemented a temporary reduction in air traffic control tower hours at RMMA, effective December 28, with operations from 7:00 AM to 8:00 PM. This change is intended to concentrate staffing during peak daytime periods amid ongoing controller shortages and is expected to last about one year until additional controllers are assigned. A daily ATC Zero NOTAM will reflect day-to-day staffing conditions. The FAA and the Airport emphasize that the adjustment is made in the interest of maintaining airspace safety.