Anyone know how far these projects of the Vietnamese AF Institute of Science and Technology progressed? I understand that prototypes of both the TL-1 (side-by-side seating) and HL-1 (tandem-seating) were built around 1984/1985.
Never saw technical details and wonder what engine was used (Lycoming or Continental?)
Never saw technical details and wonder what engine was used (Lycoming or Continental?)