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The FAA |
For each compartment to be used by the crew or passengers:
(a) The materials must be at least flame-resistant;
(b) [Reserved]
(c) If smoking is to be prohibited, there must be a placard so
stating, and if smoking is to be allowed—
(1) There must be an adequate number of self-contained,
removable ashtrays; and
(2) Where the crew compartment is separated from the passenger compartment,
there must be at least one illuminated sign (using either letters or symbols)
notifying all passengers when smoking is prohibited. Signs which notify when
smoking is prohibited must—
(i) When illuminated, be legible to each passenger seated in
the passenger cabin under all probable lighting conditions; and
(ii) Be so constructed that the crew can turn the illumination on and off;
and
(d) In addition, for commuter category airplanes the following
requirements apply:
(Section d snipped - not-applicable to our aircraft...)
(e) Lines, tanks, or equipment containing fuel, oil, or other
flammable fluids may not be installed in such compartments unless adequately
shielded, isolated, or otherwise protected so that any breakage or failure of
such an item would not create a hazard.
(f) Airplane materials located on the cabin side of the firewall
must be self-extinguishing or be located at such a distance from the firewall,
or otherwise protected, so that ignition will not occur if the firewall is
subjected to a flame temperature of not less than 2,000 degrees F for 15
minutes. For self-extinguishing materials (except electrical wire and cable
insulation and small parts that the Administrator finds would not contribute
significantly to the propagation of a fire), a vertifical [sic]
self-extinguishing test must be conducted in accordance with Appendix F of this
part or an equivalent method approved by the Administrator. The average burn
length of the material may not exceed 6 inches and the average flame time after
removal of the flame source may not exceed 15 seconds. Drippings from the
material test specimen may not continue to flame for more than an average of 3
seconds after falling.
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