Our team of aviation enthusiasts, personally inspect each part before it is removed, making sure it works prior to removal. We know how important it is to get your part fast and hassle free that is why we stand by our inventory and offer a 30 day warranty and fast-free shipping for all domestic orders. We do our job in sending quality parts to our customers, it is the customer's duty to make sure it is airworthy according to FAA regulations. We look forward to earning and keeping your business!