This is a large executive jet with two Rolls Royce SPEY 511-8 engines and is manufactured by Gulfstream Aerospace.
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It has capacity for a crew of 2 pilots and up to 12 passengers in some configurations. This model has seven variants: C-20F, C-20G, C-20H, C-20J, Gulfstream IV/G400/Gulfstream IV-SP, G450 and G350.
This model has an exterior height 24ft 6 in, exterior length of 79ft 11 and produced 258 jets between 1967 and 1979.