In clear and calm weather in Colorado at 1:14 p.m. MDT on Friday, October 2, 1970, a chartered Martin 4-0-4 airliner crashed into a mountain eight miles (13 km) west of Silver Plume. Operated by Golden Eagle Aviation, the twin-engined propliner carried 37 passengers and a crew of three; 29 were killed at the scene and two later died of their injuries while under medical care.