On 22 September 2018 at 1931 UTC (1531 EDT) a Personal Locator Beacon (PLB) was detected at 42 52.1N 109 29.5W, 18 miles east of Pinedale, WY. It was activated after a horseback rider suffered a medical emergency. The Air Force Rescue Coordination Center received the alert and notified the Sublette County Sheriff's Office, which launched a ground crew to the location. The crew located the rider and transported her to a nearby medical facility.
1 SARSAT RESCUE