The PPA1201–00 smoke detector is a crucial component in aircraft safety systems, designed to detect smoke and potential fire hazards within aircraft cabins, cargo holds, and avionics bays. Engineered for high sensitivity and reliability, this advanced smoke detector plays a vital role in ensuring the safety of passengers, crew, and valuable cargo during flight. https://nprlive.com/business/top-5-causes-of-aircraft-on-ground--aog--and-how-airlines-prevent-them