Check the listing for details. HONEYWELL AIR DATA COMPUTER HG180U255 with Maintenance History *UNTESTED* bin27. Condition: For parts or not working, Made in United States. Listed at 750.00 USD. THIS ITEM IS UNTESETED AND BEING SOLD AS IS FOR PARTS ONLY! The Honeywell Air Data Computer HG180U255 is a vital component for aircraft, providing accurate information on airspeed, altitude, and other crucial metrics. This specific model has a maintenance history, indicating it has been regularly serviced and maintained to ensure optimal performance. As an untested item, it offers potential buyers the opportunity to incorporate a reliable avionics part into their aircraft, enhancing safety and efficiency during flights. With the trusted brand of Honeywell and the specific compatibility with the HG180U255 model, this air data computer is a valuable addition to any aircraft.