Later delivered to the Pakistani Air Force as R4000. The only overseas operator of the type, Pakistan flew 36 between 1951 and 1958, although it is reported some may have remained in service as late as 1964. Flown by 11 Squadron, the type was replaced by F86F Sabres.

Built at the General Aircraft factory in Feltham and moved to Brough for flight trials following the merger of General Aircraft and Blackburn Aircraft. First flown on 20th June 1950, it was followed in 1953 by a single example of the GAL65 (B.100) and from 1955 by 47 B.101 Beverleys

This Pioneer II was a prototype of a Pioneer I, (VL515) which was civil registered as G-AKBF. The original prototypes (VL515 and VL516) were fitted with Alvis Leonides engines and receiving civil registrations (G-AKBF and G-ANAZ). The first, G-AKBF seen here at Farnborough in 1951 and later to become a RAF Scottish Aviation Pioneer CC.1 - XE512. VV119 the Vickers Supermarine Type 528 registration can just be seen in the background. Scanned from an original image photographer unknown.

Built as G-AGRZ. Flown by the RAE 1950-1953 for pressurisation tests. Returned to G-AGRZ for Flight Refuelling Ltd in November 1953, then to Aviation Traders in March 1954 for spares recovery. Scrapped in July 1959.