There are 3 Bac Jet Provost P84 MK 4 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 1964 and 1965.
N204JP
1965 Bac Jet Provost P84 MK 4
Waller, TX
N8272Y
1965 Bac Jet Provost P84 MK 4
Lexington, SC
N219JP
1964 Bac Jet Provost P84 MK 4
Stigler, OK