If your seated height is too great you could be too high in the cockpit. If your thigh length is too big you risk losing your knees on ejection.
While there are many aircraft where size is not an issue the Service do not recruit people with a limited range of employments. I am sure you will have rejected a number of difference cars as you don't fit them. I know I have.
Years ago, before we were so exact on measurements, there was one nav who was posted to Javelins. Only on the OCU did they discover he could not fit. He obviously had great aptitude as an RIO for I next met him as a flt cdr (that was exceptional) on F4s (and that was exceptional too).
One Andy Mac chugherhew (
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