The UH-60L Blackhawk represented an upgrade to the original UH-60A. Production of the UH-60L began in 1989 with the conversion of existing UH-60A aircraft to the "L" standard featuring more power and lifting capability with upgraded T700-GE-701C engines and improved gearbox. In addition, the UH-60L also incorporated upgrades to the automatic flight control system (AFCS) for better flight control performance with upgraded...