May 2 / Pilatus PC-6 Turbo Porter first flight
May 4 / Pilatus PC-6 Porter first flight
May 6 / Republic P-47 Thunderbolt first flight
May 6 / Canadair CF-5 first flight
May 6 / Curtiss P-36 Hawk first flight
May 6 / Red Arrows First Display
May 6 / Swifts Formed
May 7 / Pilatus PC-9 first flight
May 10 / AgustaWestland AW169 first flight
May 10 / A-10 Thunderbolt II first flight
May 13 / English Electric Canberra first flight
May 15 / Viggen SE-DXO First Post Restoration Flight
May 16 / Boeing VC-25 first flight
May 18 / Saab 17 first flight
May 20 / Sukhoi Su-27 first flight
May 21 / Antonov An-26 first flight
May 22 / DHC-1 Chipmunk first flight
May 23 / Hawker Siddeley Nimrod first flight
May 25 / Boeing E-3 Sentry first flight
May 27 / F-4 Phantom II first flight
May 28 / Sopwith Triplane first flight
May 29 / Vought F4U Corsair first flight
