A bit of hunting around on the Web suggests it may be Eddsfield (I thought it might be Langtoft, but I was wrong!) - Details below:
Tel: 07970 482539. Owner: Edward Peacock.Eddsfield Airfield, Langtoft, Driffield, East Yorks YO25 3BJ.
Grass 800x20mtr RW 27/09.
FUEL: Unknown.
Details / comments on the PilotWeb site, together with Web link for Eddsfield (which looks like a VERY useful site)
entry for Eddsfield.
Hope this helps.