There are 5 Siai-Marchetti SF260W 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 1976 and 1977.
N224AP
1977 Siai-Marchetti SF260W
Great Falls, MT
N227AP
1977 Siai-Marchetti SF260W
Sagaponack, NY
N20D
1976 Siai-Marchetti SF260W
Gillette, WY
N7269R
1976 Siai-Marchetti SF260W
Gillette, WY
N953WT
1976 Siai-Marchetti SF260W
Lantana, TX