There are 4 Timberline Helicopters UH-60A aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1980 and 1982.
N620TJ
1982 Timberline Helicopters INC UH-60A
Sandpoint, ID
N684UH
1982 Timberline Helicopters INC UH-60A
Kalispell, MT
N434TH
1981 Timberline Helicopters INC UH-60A
Sandpoint, ID
N274TH
1980 Timberline Helicopters INC UH-60A
North Salt Lake, UT