Andy Preston, aged 70, from Milton Keynes, who crashed his glider into another glider and landed in a farmer's field after releasing his parachute. Incredible pictures have emerged showing a glider pilot bailing out after a terrifying mid-air collision at 4,500ft. Andy Preston described how he was tipped upside down after what felt like a 'car crash in the air' and forced to open his parachute before falling to the ground. The 70-year-old farmer, who was taking part in a gliding competition in Cambridgeshire, said it is the worst thing that has happened in his 19 years of flying and admitted he was lucky to get out.