ANEC IV Avro Avian Blackburn Bluebird II Cierva C.19 autogyro Darmstadt D-18 de Havilland DH.60 Moth Fairchild 21 Klemm Kl 25 Nicholas-Beazley NB-8G Parnall Imp Robinson Redwing II Southern Martlet Westland Widgeon