Tire Pressure Home › Forums › Technical Information › Tire Pressure Tagged: Ply Rating, Tire Pressure, Tire Size This topic has 0 replies, 1 voice, and was last updated 8 years, 3 months ago by Roscoe Rosché. Viewing 0 reply threads Author Posts January 21, 2016 at 00:32 #3675 Roscoe RoschéKeymaster Here are the recommended tire pressures from the proper manual for each model (sans AA2). Aircraft Nose psi Main psi Plys Size AA1,AA1A, AA1B 22 26 4 15 x 6.00 – 6 19 4 6.00-6 AA1C 19 22 4 15 x 6.00 – 6 AA5,AA5A 21 24 4 AA5B, AG5B 21 34 4 GA7 40+-2 40+-2 4 (nose 15 x 6.00 – 6) 6 (main 6.00-6, Type III) Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In