In a bid to reclaim my OH:-
Fairchild vz-5
All the VZ's:-
VZ-1 Hiller (HO-1E) Pawnee 1955
VZ-2 Vertol 76
VZ-3 Ryan 72 Vertiplane 1958
VZ-4 Doak 16 Convertiplane 1959
VZ-5 Fairchild M224-1 1959
VZ-6 Chrysler 1959
VZ-7 Curtiss-Wright 1958
VZ-8 Piasecki 59K Airgeep/Seageep 1959
VZ-9 Avro Avrocar 1961
VZ-10 Lockheed Hummingbird 1960 - to V-4
VZ-11 Ryan Vertifan 1960 - to V-5
VZ-12 Hawker-Siddeley Kestrel 1960 - to V-6