1975 Grumman AA-1B Trainer. 3115 TTAF, 891 SMOH Engine, 150 HP MOD!, Gross Weight Increase, Extended Range Fuel, Dual Coms & Navs, Trutrak Digitrak A/P. Contact us for digital logs. Airframe: Total Time: 3,115.36 Engines: LYCOMING O-320-A2B Time: 891.36 SMOH TBO: 2,000 Props: MCCAULEY 2 Blade......more.