inputs.text: wellbuilt - using ifr airsport year really performed better expected 6 months purchased unit minor switch problehem company repaired recently battery replaced company also free charge seehem small company leave voicehemail call always respond tech always helpful know little electronics tell unit built last used summer glareshield gets extrehemely hot unit never overheated shut set atc assigned altitude changes immediately plane not altitude hold autopilot airsport backup avoid altitude deviations main thing never failed job feel warrants 100 approval rating