Newton-on-Rawcliffe shows on Google Earth, at N54.17.26.76 W0.44.40.00, 1200 m on a 155° heading from the village. There appear to be two grass runways, one 17/35 ~600 m, and one 15/33, ~300 m or so, with a hangar to the South (a light aircraft can even be seen). The entrance seems to be on Ruddings Road. Salters Gate shows at N54.19.44.89 W0.41.01.97, with one 550 m 18/36 runway. Entrance apparently on Old Wife's Way (!)
My kind of airfields!
Cheers
