NFPA 409 Resources
The following NATA supported and/or developed resources provide a general understanding of hangar foam suppression system requirements, options, and alternatives.
NATA Aircraft Hangar Fire Protection Guidance
Review of Foam Fire Suppression System Discharges in Aircraft Hangars, November 2019
Review of Foam Fire Suppression System Discharges in Aircraft Hangars, February 2021
US Air Force Foam Sundown Policy, November 2021
Performance Criteria for Aircraft Hangar Fire Protection Systems, January 2022
NFPA 409, Standard on Aircraft Hangars, 2022 Edition
NATA Contact
Steve Berry
sberry@nata.aero