Federal Aviation Administration, DOT

Section 25.1801

Section 25.1729 Instructions for Continued
Airworthiness: EWIS.
The applicant must prepare Instructions for Continued Airworthiness applicable to EWIS in accordance with
Appendix H sections H25.4 and H25.5 to
this part that are approved by the
FAA.

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Section 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
Section 25.1203.

the

requirements

Section 25.1733 Fire detector systems, general: EWIS.
EWIS associated with any installed
fire protection system, including those
required by SectionSection 25.854 and 25.858, must be
considered an integral part of the system in showing compliance with the
applicable requirements for that system.

Subpart I - Special Federal
Aviation Regulations
SOURCE: Docket No. FAA-2011-0186, Amdt.
25-133, 76 FR 12555, Mar. 8, 2011, unless otherwise noted.

Section 25.1801 SFAR No. 111 - Lavatory Oxygen Systems.
The requirements of Section 121.1500 of this
chapter also apply to this part.

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