There are 5 Enstrom 280 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 1974 and 1975.
N280Q
1975 Enstrom 280
Burke, TX
N132AB
1974 Enstrom 280
Batavia, OH
N280FU
Enstrom 280
Brewster, WA
N3235B
Enstrom 280
Gnadenhutten, OH
N754MH
Enstrom 280
Amelia, OH