Section 25.854

14 CFR Ch. I (1-1-19 Edition)

standard containers and the cavity
walls that are exposed when a full complement of such carts or containers is
not carried; and
(4) Large cabinets and cabin stowage
compartments, other than underseat
stowage compartments for stowing
small items such as magazines and
maps.
(e) The interiors of compartments,
such as pilot compartments, galleys,
lavatories, crew rest quarters, cabinets
and stowage compartments, need not
meet the standards of paragraph (d) of
this section, provided the interiors of
such compartments are isolated from
the main passenger cabin by doors or
equivalent means that would normally
be closed during an emergency landing
condition.
(f) Smoking is not allowed in lavatories. If smoking is allowed in any
area occupied by the crew or passengers, an adequate number of selfcontained, removable ashtrays must be
provided in designated smoking sections for all seated occupants.
(g) Regardless of whether smoking is
allowed in any other part of the airplane, lavatories must have self-contained, removable ashtrays located
conspicuously on or near the entry side
of each lavatory door, except that one
ashtray may serve more than one lavatory door if the ashtray can be seen
readily from the cabin side of each lavatory served.
(h) Each receptacle used for the disposal of flammable waste material
must be fully enclosed, constructed of
at least fire resistant materials, and
must contain fires likely to occur in it
under normal use. The capability of the
receptacle to contain those fires under
all probable conditions of wear, misalignment, and ventilation expected in
service must be demonstrated by test.

spaschal on DSK3GDR082PROD with CFR

[Amdt. 25-83, 60 FR 6623, Feb. 2, 1995, as
amended by Amdt. 25-116, 69 FR 62788, Oct.
27, 2004]

Section 25.854 Lavatory fire protection.
For airplanes with a passenger capacity of 20 or more:
(a) Each lavatory must be equipped
with a smoke detector system or equivalent that provides a warning light in
the cockpit, or provides a warning
light or audible warning in the pas-

senger cabin that would be readily detected by a flight attendant; and
(b) Each lavatory must be equipped
with a built-in fire extinguisher for
each disposal receptacle for towels,
paper, or waste, located within the lavatory. The extinguisher must be designed to discharge automatically into
each disposal receptacle upon occurrence of a fire in that receptacle.
[Amdt. 25-74, 56 FR 15456, Apr. 16, 1991]

Section 25.855 Cargo or baggage compartments.
For each cargo or baggage compartment, the following apply:
(a) The compartment must meet one
of the class requirements of Section 25.857.
(b) Each of the following cargo or
baggage compartments, as defined in
Section 25.857, must have a liner that is separate from, but may be attached to, the
airplane structure:
(1) Any Class B through Class E cargo
or baggage compartment, and
(2) Any Class F cargo or baggage
compartment, unless other means of
containing a fire and protecting critical systems and structure are provided.
(c) Ceiling and sidewall liner panels
of Class C cargo or baggage compartments, and ceiling and sidewall liner
panels in Class F cargo or baggage
compartments, if installed to meet the
requirements of paragraph (b)(2) of this
section, must meet the test requirements of part III of appendix F of this
part or other approved equivalent
methods.
(d) All other materials used in the
construction of the cargo or baggage
compartment must meet the applicable
test criteria prescribed in part I of appendix F of this part or other approved
equivalent methods.
(e) No compartment may contain any
controls, lines, equipment, or accessories whose damage or failure would
affect safe operation, unless those
items are protected so that - 
(1) They cannot be damaged by the
movement of cargo in the compartment, and
(2) Their breakage or failure will not
create a fire hazard.
(f) There must be means to prevent
cargo or baggage from interfering with

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