The four men who died in a plane crash north of Billings Saturday night have been identified by Yellowstone County Sheriff Mike Linder.
All are Billings residents. They are pilot David Healow, 69, Rusty Jungels, 36, Mikel Peterson, 35 and Raymond Rumbold, 32.
Investigators from the National Transportation Safety Board and the Federal Aviation Administration spent most of the Monday at the site near Dunn Mountain north of Billings.