. . "1820"^^ . . . "1968Z"^^ . "The Grumman American AA-1 series is a family of light, two-seat aircraft. The family includes the original American Aviation AA-1 Yankee Clipper and AA-1A Trainer, the Grumman American AA-1B Trainer and TR-2 and the Gulfstream American AA-1C Lynx and T-Cat."@en . . "1968Z"^^ . . .