This Skylight Avionics Course Deviation Indicator, with the Manufacturer Part Number 50-003-11 and Serial Number 573, has been recently overhauled and is ready for use. It is a top-quality avionics part that will be a valuable addition to any collection. The indicator is designed to provide accurate and reliable information to the pilot, and it has been rigorously tested to ensure that it meets all the necessary performance standards. Whether you are an avid collector or a professional pilot, this Course Deviation Indicator is a must-have item that you won't want to miss out on.