larger 150 or 160 hp engines that further increase performance. Other popular modifications include the addition of a dorsal strake on earlier model AA-1s to improve yaw stability or the addition of a transparent red rudder cap to fair the flashing beacon for reduced drag. Some AA-1s have been converted to taildragger configuration. Variants AA-1 Yankee 1968 – Production version developed from the Bede BD-1 with a 108hp Lycoming O-235-C2C engine, 461 built. AA-1A Trainer 1971 – Dual-control trainer version with modified wing aerofoil, 470 built. AA-1B Trainer/Tr-2 1972 – Development of the AA-1A with an increase in useful load, also sold as the Tr-2 touring model, 680 built. AA-1C T-Cat/Lynx 1976 – AA-1B with a 115hp Lycoming O-235-L2C engine, AA-5 elevators and modified engine mount, marketed as the T-Cat as trainer replacement for the Trainer and as the Lynx tourer to replace the Tr-2, 211 built. Specifications (AA-1A) See also References BD-1 Pilot Evaluation Report from 1965 BD-1 Sales brochure and pictures Stagg, Skip, Article – Ask a Man Who Owns One, Private Pilot Magazine(1997) Article – Gulfstream Yankee/Trainer AA-1, Aviation Consumer Used Airplane Guide (1989) Smith, Scott, Article The Grumman Yankee Fighter Fun – Trainer Price! USAviator, Airedale Press Inc., 3000 21st St-NW, Winter Haven, FL, 33881 Stagg, Skip, Article – Grumman Where It All Began, Private Pilot Magazine (1997) Article – AGAC AA-1 Aviation Consumer Cox, Bill, Trusty Trainer, Plane & Pilot Magazine (1997) Gulfstream American Model AA-1 Yankee Owner's manual January 15, 1979 Wilkinson, Stephan How It's Built, Flying magazine November 1968 The Yankees Are Here Hellman, Judy, How It Flies, Flying magazine November 1968 The Yankees Are Here Connes, Keith, How It Will Sell, Flying magazine November 1968 The Yankees Are Here Weeghman, Richard B., How It Is Backed, Flying magazine November 1968 The Yankees Are Here FAA Airworthiness Directive 73-13-07 Grumman Gang AA-1 Specifications and production numbers Type Certificate External links "Flying the Yankee." Popular Science, July 1969, pp. 72–74. 1960s United States civil utility aircraft Single-engined tractor aircraft Low-wing aircraft AA-1 AA-1 Aircraft first flown in 1963