This page gives details of some of the aircraft types that were offered or promised to the Royal Jordanian Air Force but not delivered, cancelled official orders, and types have been falsely reported as being in service.
Three BK-117s are reported to have been in RJAF service.
Piper PA-28 Cherokee
The Cherokees were actually operated by the Royal Jordanian Air Academy, not the Air Force.
Piper PA-34 Seneca
The Senecas were actually operated by the Royal Jordanian Air Academy, not the Air Force.
Six(!) of the 25 Sealands built in total are sometimes reported to have been used by the RJAF.