On Friday, October 2, 1970 at 1:14 p.m. MDT in Colorado a chartered Martin 4-0-4 airliner crashed into a mountain eight miles (13 km) west of Silver Plume. It happened in clear weather. 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. It was operated by Golden Eagle Aviation.