N123WE. 1975 Cessna Cardinal 177RG, Fresh Annual, Wing Spar AD Completed, S-TEC Autopilot, Great Paint & Interior. Have you been looking for an economical cross-country aircraft? If so, this one is it! This Cardinal RG is equipped with an S-TEC 50 Autopilot! The wing spar AD has been complied with so you can fly around with some peace of mind! Give AOS a call today to discuss this Cardinal RG!