The David Clark H10-30 Aviation Headset is a high-quality, FAA TSO C57 certified headset designed for aviation use. Made in the United States by David Clark, this headset is compatible with Aviat aircraft and has a manufacturer part number of 12507G-10. Though it does not come with a warranty, it is known for its durability and reliability in the aviation industry. Whether you are a pilot or aircraft maintenance technician, this headset is a crucial piece of equipment for communication and safety in the cockpit. Styrofoam head not included.