I caught the programme on Hazel Hill and her "8 gun" mathematics and I thought it was nicely presented by Sophie Rayworth.. She's becoming the BBC's "go-to" presenter for aviation programmes having fronted shows from Duxford Stow Maries and the Mall in the recent past. Oh and "Chopper", I think the blue
PR Spitfire is a PR11 not a 9. Just saying.