There was also someone (who I used to think was a friend....) who saw Mach-quite-a-lot in a Frightning when pointed straight down after cocking up a PI. Saw the nadir star on the AI sitting dead centre and the strip ASI well to the right and moving further right. Closed the throttles, pulled as hard as possible, then woke up pointing up at very low level with the speed washing off rapidly. Full AB to recover, then off home to Binbrook....