airpolice
Actually, Step Turn made a very valid point, which, if you stop to think about it instead of launching into an attack, does not require study of the report.
I often wonder what spectacle there is in a single small jet (and the Gnat was even smaller) performing vertical manoeuvres up to several thousand feet. Is it more for the pilots' pleasure/ego trip rather than the spectators'? Far more entertaining to see a pair of Stearmans at 500 ft.