sentences:  Built in the Robinson Redwing factory at Croydon, Purley Way, Surrey in 1947, the first prototype was taken to Redhill in 1948.The sleek light aircraft appeared at the S.B.A.C show at Farnborough in September 1948 and received the registration "G-ALOI" in April 1949.The Chief Test Pilot at RAE Farnborough, Group Captain H.J.