Search teams located the site of an airplane crash that killed three people near Yellowstone National Park using the last known location of the smart watch from one of the victims, authorities say,

Three people died when their plane crashed near West Yellowstone. The FAA and NTSB are investigating the cause of the accident.

Authorities used the smartwatch’s last location to search for the small plane, which had three on board when it crashed “in dense timber” near West Yellowstone.