Bell B.206 Jet Ranger G-AVZH near York.
On 10th June 1970 this aircraft took off from the disused Clifton airfield and headed south but a few miles later the engine began to have technical issues so the helicopter was force landed south of York. Damage resulted though where the landing was made is not yet known.
Pilot - Name unknown.
The aircraft was registered to Air Hanson Ltd, of London, who operated from Brooklands.