§ 23.2325. Fire protection.
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/us/cfr/t14/s§ 23.2325·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)The following materials must be self-extinguishing—
(1)Insulation on electrical wire and electrical cable;
(2)For levels 1, 2, and 3 airplanes, materials in the baggage and cargo compartments inaccessible in flight; and
(3)For level 4 airplanes, materials in the cockpit, cabin, baggage, and cargo compartments.
(b)The following materials must be flame resistant—
(1)For levels 1, 2 and 3 airplanes, materials in each compartment accessible in flight; and
(2)Any equipment associated with any electrical cable installation and that would overheat in the event of circuit overload or fault.
(c)Thermal/acoustic materials in the fuselage, if installed, must not be a flame propagation hazard.
(d)Sources of heat within each baggage and cargo compartment that are capable of igniting adjacent objects must be shielded and insulated to prevent such ignition.
(e)For level 4 airplanes, each baggage and cargo compartment must—
(1)Be located where a fire would be visible to the pilots, or equipped with a fire detection system and warning system; and
(2)Be accessible for the manual extinguishing of a fire, have a built-in fire extinguishing system, or be constructed and sealed to contain any fire within the compartment.
(f)There must be a means to extinguish any fire in the cabin such that—
(1)The pilot, while seated, can easily access the fire extinguishing means; and
(2)For levels 3 and 4 airplanes, passengers have a fire extinguishing means available within the passenger compartment.
(g)Each area where flammable fluids or vapors might escape by leakage of a fluid system must—
(1)Be defined; and
(2)Have a means to minimize the probability of fluid and vapor ignition, and the resultant hazard, if ignition occurs.
(h)Combustion heater installations must be protected from uncontained fire.
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§ 23.2325
Fire protection.
Fed. Reg.×1
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