A privately-owned helicopter crashed in rugged terrain in northwestern Jefferson County on Sept. 15.
Sheriff Tom Grimsrud reported that all three persons aboard the aircraft survived the crash, which occurred at about 3:20 p.m. on Sunday.
Grimsrud said that officials from the National Transportation Safety Board and Federal Aviation Administration were investigating the incident. Boulder Ambulance, St. Peter’s Ambulance, Elkhorn Search and Rescue, Basin Volunteer Fire Department, Boulder Volunteer Fire Department, and the United States Forest Service (USFS) all assisted.
