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A draft hand extinguisher advisory circular has been reviewed by The FAA Aircraft Certification Office, and then by the hand extinguisher task group. Current A/C 20-42C for halons will be cancelled. For all existing installations, FAA is allowing continued use of halon extinguishers to be replaced with required halon equivalent extinguishers by attrition (Extinguishers already installed remain safe to use based on history of safe use of halon extinguishers on aircraft)Ĥ BACKGROUND Halon replacement hand extinguishers are available meeting UL, and MPS requirements and FAA safe-use guidelines: HCFC Blend B, HFC-236fa and HFC- 227ea. For all new installations, FAA recommends users to transition to the alternatives which do not deplete the ozone layer and still provide safe, effective fire protection in handheld extinguishers on aircraft. Remaining users of halons are dependent on existing, potentially uncertain, supplies and their ability to gain access to these remaining stockpiles Based on evaluations of human health and environmental effects, safe, effective alternatives are commercially available to replace halon 1211 in handheld fire extinguishers on aircraft. By 2010, Halon 1211 will no longer be produced anywhere in the world.

Hughes Technical Center Atlantic City International Airport, NJ 08405 USA Handheld Extinguisher Draft Advisory Circular Update Aircraft Systems Fire Protection Working Group Meeting London, UK April 16-17, 2007Ģ OUTLINE OF TALK Background Purpose of the handheld advisory circular (AC) FAR requirements for hand-held extinguishers Minimum performance standard (MPS) for transport category aircraft Fire fighting guidance Toxicity: decomposition products, agent, low oxygen hypoxia Safe use of hand extinguishers  Ventilated and unventilated compartments  Accessible Cargo Compartments in Passenger/Cargo & Cargo Aircraft AC language for halocarbon fire extinguishers Task group comments on March 2007 AC Draftģ BACKGROUND Since 1994, halon 1211 has no longer been produced in the US. Speitel Fire Safety Branch FAA William J. Hughes Technical Center Atlantic City International Airport, NJ 08405 USA Handheld."- Presentation transcript: