This is a large business jet manufactured by Gulfstream Aerospace which took its first flight on December 2nd of 1979 and was introduced to the market on September of 1980. It was produced until 1986 with 202 jets delivered.
It has a maximum speed of 928 km/h (576 mph, 501 knots) and has a cruise speed of 818 km/h (508 mph, 442 knots). It has a length of 25.32 m (83 ft 1 in) and a height of 7.43 m (24 ft 4½ in), making it optimal for a crew of 2-3 and up to 12 passengers in some configurations. This model has eight variants: Model G-1159A Gulfstream III, C-20A (capacity for 14 passengers and 5 crew members), C-20B (used for Operational Support Airlift and Special Assignment Airlift Missions), C-20C, C-20D (used for Operational Support Airlift), C-20E, Gulfstream III SRA-1 (with surveillance version for export), Gulfstream III SMA-3.
Is used for military and government transportation by: Cameroon (Cameroon Air Force), Denmark (Royal Danish Air Force), Algeria, Ivory Coast, Ghana, Gabon, Ireland, India, Italy, Morocco, Mexico, Togo, Oman, Saudi Arabia, Uganda (Uganda Air Force), United States (NASA, United States Army, United Sates Navy), Venezuela (Venezuelan Air Force), Zimbabwe (Air Force of Zimbabwe)