There are 4 Siai-Marchetti L1019 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 1977.
N774DW
1977 Siai-Marchetti L1019
Anchorage, AK
N775DW
1976 Siai-Marchetti L1019
Prineville, OR
N779DW
1975 Siai-Marchetti L1019
N395RV
1974 Siai-Marchetti L1019
Farmerville, LA