his first solo!
I would doubt that.
In the dim dark ages, I was sent off on my first solo (also at BK) with the princely total of about 4 hours but the instructor forgot to say "only one and then come back for a coffee". By about my third or fourth circuit, he had contacted the tower and it was suggested that I should get my sorry a- back onto the ground ....
Cec was a big bloke and the little Victa went like a rocket with only me on board so I was having some youthfully exuberant fun, I guess.