Passenger life is more precious, the safety of aircraft dominantly depends on the cockpit security systems. It is essential to enhance the cockpit security due to increasing threats day-by-day. Implementation of advanced systems such as fingerprint scanner, an auto alarm is required to keep the cockpit as well the airplane safer from any sort of danger especially in bigger aircraft carrying 100-800 passengers. This Project intends to enrich the aircraft safety to its maximum by implementing better door lock systems using highly advanced Arduino Processor combined with a fingerprint scanner.