Both XS163 and XS165 were not in my logbook with 705NAS in early 1969, but my first (helicopter) solo was flying 42/XS166 in March of that year.
Not me next to the trusty steed, but another contributor to Rotorheads 
On the same sunny Cornish dispersal in April 1969 was this Whirlwind HAS7, no idea of the number:
