1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2013 SAE International All rights reserved. No part of this p
3、ublication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS6271 AEROSPACE STANDARD AS6271 Issued 2013-01 Halocarbon Clean Agent Hand-Held
5、Fire Extinguisher RATIONALE This SAE Aerospace Standard (AS) is created in response to a request by the European Aviation Safety Agency (EASA) to craft the technical basis for a European Technical Standard Order (ETSO) that addresses International Civil Aviation Organization (ICAO) Assembly Resoluti
6、on A36-12, regarding the replacement of halon in civil aircraft fire extinguishers. It is intended to identify pertinent hand-held fire extinguisher requirements selected from the broad range of fire extinguisher standards existing across the international community. The goal is to synthesize a sing
7、le set of requirements specifically applicable to aircraft fire extinguishers. 1. SCOPE 1.1 This AS establishes minimum requirements for halocarbon clean agent hand-held fire extinguishers carried on board civil aircraft. The requirements include: design (cylinder, valve, gauge, mounting equipment),
8、 performance (firefighting effectiveness - hidden fire test, discharge test, type, etc.), environmental (ozone depleting/global warming potential, atmospheric life span), and occupant safety concerns (toxicology - seat fire test). 1.2 The purpose of this AS is to provide a technical basis for harmon
9、ized regulation of halocarbon clean agent hand-held fire extinguishers across the international civil aviation community. 2. REFERENCES 2.1 Applicable Documents The following publications form a part of this document to the extent specified herein. The latest issue of SAE publications shall apply. T
10、he applicable issue of other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws
11、and regulations unless a specific exemption has been obtained. 2.1.1 UL Publications Available from Underwriters Laboratories Inc., 333 Pfingsten Road, Northbrook, IL 60062-2096, Tel: 847-272-8800, . ANSI/UL 711 Rating and Testing of Fire Extinguishers, ISBN 0-7629-0780-0 ANSI/UL 2129 Halocarbon Cle
12、an Agent Fire Extinguishers, ISSN 0317-526X SAE AS6271 Page 2 of 6 2.1.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM D6806 Standard Practice for Analysis of Halogenated Organic Solv
13、ents and Their Admixtures by Gas Chromatography, February 2007. 2.1.3 Code of Federal Regulations (CFR) Available from the United States Government Printing Office, 732 North Capitol Street, NW, Washington, DC 20401, Tel: 202-512-0000, www.gpoaccess.gov. 14 CFR 23 Airworthiness Standards: Normal, Ut
14、ility, Acrobatic, and Commuter Category Airplanes 14 CFR 25 Airworthiness Standards: Transport Category Airplanes 14 CFR 27 Airworthiness Standards: Normal Category Rotorcraft 14 CFR 29 Airworthiness Standards: Transport Category Rotorcraft 2.1.4 U.S. EPA Publications Available from U.S. EPA, Strato
15、spheric Protection Division (6205J), 1310 L Street, NW, Washington , DC 20005, www.epa.gov/ozone/snap. Significant New Alternatives Policy (SNAP) Program, (42 USC 7671k) 2.1.5 FAA Publications Available from National Technical Information Service (NTIS), 5285 Port Royal Road, Springfield, VA, 22161,
16、 or http:/www.fire.tc.faa.gov/reports/reports.asp. Development of a Minimum Performance Standard for hand-held Fire Extinguishers as a Replacement for Halon 1211 on Civilian Transport Category Aircraft, DOT/FAA/AR-01/37, August 2002 2.1.6 EASA Publications Available from European Aviation Safety Age
17、ncy, Postfach 10 12 53, D-50452 Koeln, Germany, Tel: +49-221-8999-000, www.easa.eu.int. Certification Specification for Normal, Utility, Aerobatic and Commuter Aeroplanes, CS-23 Certification Specification for Large Aeroplanes, CS-25 Certification Specification for Small Rotorcraft, CS-27 Certificat
18、ion Specification for Large Rotorcraft, CS-29 SAE AS6271 Page 3 of 6 2.1.7 European Commission Publications Available from European Chemicals Agency, Annankatu 18, P.O. Box 400, FI-00121 Helsinki, Finland, http:/echa.europa.eu/web/guest/support/guidance-on-reach-and-clp-implementation. Registration,
19、 Evaluation, Authorisation and Restriction of Chemical Substances. (EC 1907/2006) 2.1.8 NFPA Publications Available from National Fire Protection Agency, 1 Batterymarch Park, Quincy, MA 02169-7471, Tel: 617-770-3000, www.nfpa.org. Standard for Portable Fire Extinguishers, NFPA 10, 2010. 2.2 Related
20、Publications The following publications are provided for information purposes only and are not a required part of this SAE Aerospace Technical Report. 2.2.1 FAA Publications Available from Federal Aviation Administration, 800 Independence Avenue, SW, Washington, DC 20591, Tel: 866-835-5322, www.faa.
21、gov. Hand Fire Extinguishers for Use in Aircraft, Advisory Circular (AC) 20-42D, January 14, 2011. 2.2.2 NFPA Publications Available from National Fire Protection Agency, 1 Batterymarch Park, Quincy, MA 02169-7471, Tel: 617-770-3000, www.nfpa.org. Aircraft Hand Portable Fire Extinguishers, NFPA 408,
22、 2010. 2.3 Mandating and Recommending Words SHALL: Indicates a mandatory criterion SHOULD: Indicates a criterion for which an alternative, including non-compliance, may be applied if it is documented and justified 3. GENERAL REQUIREMENTS This AS uses a minimum design and performance standards model
23、based on ANSI/UL standards 711 and 2129, as well as aircraft-specific performance tests described in Development of a Minimum Performance Standard for Hand-held Fire Extinguishers as a Replacement for Halon 1211 on Civilian Transport Category Aircraft, DOT/FAA/AR-01/37, August 2002, hereinafter refe
24、rred to as the MPS. 3.1 Fire Extinguisher Type Table 1 includes a brief synopsis of fire extinguisher ratings, test requirements, qualification sources and applications. 3.1.1 Type 1 - An extinguisher with a minimum rating of UL 2B:C, or equivalent, is applicable for small aircraft (see 2.2.1 for ge
25、neral guidance). SAE AS6271 Page 4 of 6 3.1.2 Type 2 - An extinguisher with a minimum rating of UL 5B:C, or equivalent, is applicable for transport category aircraft. 3.1.3 Type 3 - An extinguisher with a minimum rating of UL 1A:10B:C, or equivalent, is applicable for accessible cargo compartments o
26、f combination passenger/cargo aircraft and cargo aircraft. TABLE 1 - FIRE EXTINGUISHER TYPE Type Min. Rating Test Requirements Qualification Application 1 UL 2B:C UL 711/2129 UL 711/2129 SNAP/REACH Small aircraft 2 UL 5B:C UL 711/2129 MPS UL 711/2129 SNAP/REACH Passenger and Crew Compartments 3 UL 1
27、A:10B:C UL 711/2129 UL 711/2129 SNAP/REACH Cargo Compartment 3.2 Agent Halocarbon clean agents shall be listed under U.S. EPA SNAP, as acceptable substitutes for Halon 1211, and be registered under REACH for use in a fire extinguisher to be sold or imported into the EU. 3.2.1 The Significant New Alt
28、ernatives Policy (SNAP) Program is the U.S. Environmental Protection Agencys program to regulate substitutes for ozone-depleting chemicals being phased out under the stratospheric ozone protection provisions of the Clean Air Act (CAA). The U.S. EPA identifies and publishes lists of acceptable and un
29、acceptable substitutes for class I or class II ozone-depleting substances (see 2.1.4). 3.2.2 REACH is the European Community Regulation on chemicals and their safe use. REACH applies to substances manufactured or imported into the EU in quantities of 1 ton or more per year (see 2.1.7). 3.3 Halogenat
30、ed Agent Purity Halocarbon clean agent purity shall comply with its ASTM standard specification, or equivalent. Purity of an agent, for which the Standard Specification does not include a test method, shall be demonstrated in accordance with ASTM D6806, or equivalent. 3.4 Material Compatibility Halo
31、n replacement agents should be non-corrosive. The agents compatibility with metals, elastomers, and plastics used in the construction of the fire extinguisher and aircraft interior components shall be demonstrated. 3.5 Fire Type The fire extinguisher shall be shown to be effective against the type(s
32、) of fires for which it is rated. 3.5.1 Class A All solid materials (e.g., wood, textiles, curtains furniture and plastics, etc.), usually organic in nature (contains compounds of carbon), which generally produce glowing embers. 3.5.2 Class B All flammable liquids, oils, solvents, gases. SAE AS6271
33、Page 5 of 6 3.5.3 Class C The electrical conductivity of ignition sources determines the use of a fire extinguisher with the Class C rating. If the electrical source cannot be eliminated, then a non-electrical conducting agent should be used. 4. EQUIPMENT DESIGN The equipment design goal of this sta
34、ndard is to provide fire extinguishers that have the physical attributes necessary to assure the airworthiness necessary for installation on aircraft type certificated under CFR/CS part 23, 25, 27, or 29, as applicable. The fire extinguisher and its constituent components shall be demonstrated to co
35、mply with the requirements in ANSI/UL 2129. 4.1 Mounting Bracket 4.1.1 The fire extinguisher/mounting bracket assembly shall be shown to withstand without failure the highest ultimate inertia force/load, applied to all on-axis (X, Y, Z) orientations, specified in the Airworthiness Standard applicabl
36、e to the specific aircraft on which the fire extinguisher is installed. Increase the ultimate inertia forces/loads, if necessary, to meet the aircraft manufacturers specifications for flight and ground loads. 4.1.2 The mounting bracket shall permit, without removal of the fire extinguisher from its
37、bracket, inspection of fire extinguisher gauges and/or other operational status indicators. 5. PERFORMANCE The performance goal of this standard is to provide fire extinguishers that have the fire-fighting effectiveness of the Halon 1211 fire extinguishers previously required on civil aircraft. 5.1
38、Rating and Performance Fire Extinguishers shall comply with the performance requirements in ANSI/UL 711/2129 and, in addition for Type 2 fire extinguishers (see Table 1), successfully complete the requirements in 5.2. 5.2 Additional Type 2 Fire Extinguisher Performance Requirements The MPS seeks to
39、ensure that there is no reduction in safety to the flying public by the replacement of Halon 1211 with another fire-fighting agent(s) in aircraft hand-held fire extinguishers. 5.2.1 Hidden Fire Test The Hidden Fire test is designed to determine the performance of the agent/extinguisher in a flooding
40、 scenario in which a fire is located in an aircraft area hidden from view (e.g., behind wall panels, inside galleys, etc.). The agent shall be demonstrated to extinguish fire(s), in accordance with the procedure and minimum performance requirements in Appendix A.1 of the MPS. 5.2.2 Seat Fire Toxicit
41、y Test The Seat Fire Toxicity test is designed to evaluate the types and concentrations of toxic gases formed when the agent is used to extinguish a seat fire under typical airflow conditions found in a transport aircraft cabin. The agent/extinguisher shall be demonstrated to extinguish seat fire(s)
42、, in accordance with the procedure in Appendix A.2 of the MPS, without generating hazardous gases that exceed the levels specified in paragraph A.2.12. SAE AS6271 Page 6 of 6 6. MAINTENANCE PROCEDURES The fire extinguisher shall be capable of being maintained per NFPA 10; service instructions shall
43、be made available upon request. 7. NOTES 7.1 A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. PREPARED BY SAE COMMITTEE S-9, CABIN SAFETY PROVISIONS
