Gulfstream AA5A Cheetah ZK-EFX was c/n AA5A-0679 was among a batch of eight similar aircraft imported by New Zealand Aerospace Industries Ltd in latish 1977.
(the others were two Tigers, another Cheetah and three T Cats).
It was registered to N.Z.A.I. Ltd of Hamilton on 08-02-1979 before moving over to Gisborne for Air Gisborne Ltd from 06-11-1979. It remained there for the best part of twenty years before being sold to Peter Mant of Whakatane.
It is seen above at Whakatane on 17-03-2009.
Shortly after this photo it passed to Dean Harnett of Shannon whom it was with when its registration was revoked on 07-04-2011.
And above at on Feilding 03-03-2016.
It was noted recently by Ray Deerness in this unusual attitude in a paddock at Te Arakuna.