Two FR.5s were built on the F.4 body; one was used for nose section camera tests, the other broke up in midair while in testing over Moreton Valence.
To FR.5 blev bygget af F.4 flystel; den ene bev anvendt til tests af næsemonterede kameraer, den anden havarerede under flyvning mens den udførte tests over Moreton Valence.