Sentinel Aerospace is committed to the most stringent quality controls. We continuously monitor and audit our supply chain, to ensure that we are obtaining and stocking only the highest quality rotables, expendables, and avionics. When selecting our repair partners, we select only the finest 145 repair facilities, that provide the highest quality work and longest warranties in the industry.All materials supplied by Sentinel Aerospace are provided with applicable FAA 8130-3, EASA, and CAAC certifications, and are fully traceable to OEMs, major FAA 121/129, and other national carriers.