There are 6 Piaggio P.136-L1 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 1955 and 1956.
N40022
1956 Piaggio P.136-L1
New Richmond, WI
N6354T
1955 Piaggio P.136-L1
Mount Pleasant, TX
N160EG
Piaggio P.136-L1
Van Nuys, CA
N222A
Piaggio P.136-L1
River Falls, WI
N40025
Piaggio P.136-L1
N Richland Hills, TX
N40029
Piaggio P.136-L1
Watkins, CO