Lockheed Hurcules 6oth

Must fall into the historic category now with 60 years since the first flight on 23rd August 1954, and still in production.

Equate those figures to the Spitfire and it would still have been being produced and operational in March 1996

Equate those figures to the Sopwith Camel and it would still have been being produced and operational in December 1976

Perhaps the speed of aircraft development has slowed …………….