Evaluation method of airworthiness compliance of civil aircraft flight deck door against bullet penetration

Evaluation method of airworthiness compliance of civil aircraft flight deck door against bullet penetration

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The folk rivet sweat civil aircraft flight deck door system is installed in the aircraft cabin to block the cockpit area and cabin area.In addition to providing normal access to the cockpit, it must have bullet proof and intrusion prevention functions to prevent non-crew members from seizing control of the aircraft and provide safety protection for crew members.Proceeding from the interpretation of the airworthiness provisions for the flight deck door system to resist penetration, the airworthiness certification requirements are restudied, and an evaluation method of civil aircraft flight deck door to resist penetration is proposed.The test implementation details and requirements such as bullet selection, dangerous trajectory confirmation, shooting point screening and test piece configuration preparation are given, and the method is verified based on the development of a civil aircraft flight deck door system and the airworthiness certification for resisting penetration.

The results show that the proposed method is effective ashy bines protein powder and meets the compliance of the clauses, which can provide reference for aircraft flight deck door design and development, airworthiness compliance analysis and verification, and airworthiness certification of relevant clauses.