Sorry for the confusion but I initially I couldn't get the image up of G-AISL visiting the Flying Club.
Incidentally G-AJKL was registered to some concern in Luton in 1967 and was photographed derelict at Luton in 1971.
G-AISL Registration details here for period in question:
https://cwsprduksumbraco.blob.core.w...r/G-AISL-3.pdf