- AA EY . ▁It ▁was ▁fitted ▁with ▁Pear son ▁rot ary ▁a iler ons ▁and ▁re - design ated ▁G ad fly ▁II ▁when ▁it ▁achieved ▁a ▁world ▁alt itude ▁record ▁of ▁ ▁in ▁the ▁ 2 0 0   kg ▁class ▁on ▁ 1 6 ▁May ▁ 1 9 2 9 ▁pil oted ▁by ▁G . L . P . ▁Hend erson . ▁ ▁The ▁second ▁aircraft ▁was ▁a ▁G ad fly ▁II ▁G - A AR J ▁which ▁first ▁fle w ▁in ▁August ▁ 1 9 2 9 ▁and ▁was ▁export ed ▁to ▁Canada , ▁where ▁it ▁was ▁dam aged ▁beyond ▁repair ▁at ▁K itch ener , ▁Ontario , ▁on ▁ 2 5 ▁August ▁ 1 9 3 1 . ▁The ▁final ▁aircraft ▁was ▁G ad fly ▁III ▁G - A AR K ▁which ▁was ▁the ▁same ▁as ▁the ▁G ad fly ▁II ▁but ▁fitted ▁with ▁a ▁ ▁Sal m son ▁A . D . 9 ▁radial ▁engine . ▁It ▁was ▁with dra wn ▁from ▁use ▁in ▁ 1 9 3 0 . ▁The ▁first ▁aircraft ▁G - AA EY ▁was ▁last ▁based ▁at ▁Wol ver ham pton ▁when ▁it ▁was ▁scra pped ▁in ▁June ▁ 1 9 3 4 . ▁ ▁Vari ants ▁G ad fly ▁I ▁ABC ▁Sc orp ion ▁II ▁power ed , ▁one ▁built ▁later ▁converted ▁to ▁G ad fly ▁II . ▁G ad fly ▁II ▁Same ▁as ▁G ad fly ▁II ▁but ▁fitted ▁with ▁Pear son ▁rot ary ▁a iler ons , ▁one ▁conversion ▁and