Part Number AL-HFT-PC is a TEST KIT manufactured or catalogued by Cessna Citation. In some cases a proprietary airframe or engine manufacturer's part number may be assigned to identify the same part which was actually manufactured by a different component OEM. These airframe, engine and accessory parts are generally classified into three categories - rotable, expendable and consumable parts. To define and better understand FAA approved aircraft parts, refer to FAA Advisory Circular AC20-62E CHG 1. Current catalogue availability is subject to change and may be affected by inactivity, supersedure and obsolescence.