Darrel Toepfer wrote:

http://us.imdb.com/title/tt0097443/board/nest/467131
"I saw your question and must tell you that I do know the aeroplane was
actually custom-made for the movie by the film studios. In fact, it now
hangs in the ceiling of a restaurant (owned by the company) in
Bloemfontein, South Africa. Hope that helps you.
Best regards Dr. Brendan Byrne"


"We had a smaller airplane, but we couldn't find it."