Here are the key measurement boundaries for Pilots :
Functional Reach (Lenth of Arms with Fist Clenched) 720mm - 900mm
Sitting Height: 865-990mm
Buttock to Knee: 560-660mm
Buttock to Heel: 1000-1200mm
Tailor made for Group Captain Bader, with his falsies. No need to invoke grandfather rights for him to get in to GD (Flying) Branch, I see.