What is NFPA 409?
This standard helps safeguard life and property through requirements for the proper construction and fire protection of aircraft hangars used for aircraft storage, maintenance, or related activities.
Official document scope
What does NFPA 409 address?
Comprehensive coverage includes provisions for the full range of construction and protection issues for Group I, II, III, and IV aircraft hangers from clear space distance, landing gear pits, exit and access requirements, and grounding facilities for static electricity to fire protection systems, portable extinguishers, detection and actuation systems, and water supply. Criteria also address paint hangars and unfueled aircraft hangars.
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