Volpar, Inc. worked on a program to reengine Falcon 20s with the Pratt & Whitney Canada PW305 engines, but the program was abandoned before a FAA STC was awarded.
Volpal, inc. работала над программой перевода Falkon 20 на двигатели Pratt & Whitney Canada PW305, но программа была остановлена до получения сертификата типа в FAA.