Originally Posted by
Bob Viking
Google suggests 479 aircraft in the current RAF inventory. So if you wish to count them in the picture you might be correct.
I would suggest that the current RAF inventory contains a good mixture of incredibly capable aircraft though. The same is probably not true of the photo above.
BV
I think it was in the low 300s in the static and over 600 in the flypast. Some Commonwealth Air Forces too
https://www.hampshireairfields.co.uk/nos10.html
There was a book on the subject
They were capable for their time!