The National Transportation Safety Board has released its preliminary findings in the investigation into what forced a small plane to make an emergency landing on a city street in Castle Rock. In the preliminary report, investigators believe the small plane's engine lost power.

This apparently happened two minutes after the pilot noticed a decrease in engine speed. Investigators said the pilot's efforts to restore engine power were unsuccessful, which led to the emergency landing on the road.

A Castle Rock firefighter approaches a plane that made an emergency landing on Prairie Hawk Drive on Monday, Nov. 10, 2025. Eric Hurst

The emergency landing happened just before 6:15 p.m. on Nov. 10 on Prairie Hawk Drive near the intersection with Wolfsenberger Road in Castle Rock.

The pla

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