The FK - 3 was built by apprentices at the VFW ( Vereinitige Flugtechnische Werke ) German factory at Speyer .
The FK - 3 was flew for the first time on 24 April 1968 .
The FK - 3 was built by apprentices at the VFW ( Vereinitige Flugtechnische Werke ) German factory at Speyer and flew for the first time on 24 April 1968 .