§ 25.1731 - Powerplant and APU fire detector system: EWIS.  


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  • § 25.1731 Powerplant and APU fire detector system: EWIS.

    (a) EWIS that are part of each fire or overheat detector system in a fire zone must be fire-resistant.

    (b) No EWIS component of any fire or overheat detector system for any fire zone may pass through another fire zone, unless:

    (1) It is protected against the possibility of false warnings resulting from fires in zones through which it passes; or

    (2) Each zone involved is simultaneously protected by the same detector and extinguishing system.

    (c) EWIS that are part of each fire or overheat detector system in a fire zone must meet the requirements of § 25.1203.