304 

14 CFR Ch. I (1–1–19 Edition) 

§ 25.854 

standard containers and the cavity 
walls that are exposed when a full com-
plement 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 lava-

tories. If smoking is allowed in any 
area occupied by the crew or pas-
sengers, an adequate number of self- 
contained, removable ashtrays must be 
provided in designated smoking sec-
tions for all seated occupants. 

(g) Regardless of whether smoking is 

allowed in any other part of the air-
plane, lavatories must have self-con-
tained, removable ashtrays located 
conspicuously on or near the entry side 
of each lavatory door, except that one 
ashtray may serve more than one lava-
tory door if the ashtray can be seen 
readily from the cabin side of each lav-
atory served. 

(h) Each receptacle used for the dis-

posal 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, mis-
alignment, and ventilation expected in 
service must be demonstrated by test. 

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

§ 25.854

Lavatory fire protection. 

For airplanes with a passenger capac-

ity of 20 or more: 

(a) Each lavatory must be equipped 

with a smoke detector system or equiv-
alent 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 de-
tected 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 lav-
atory. The extinguisher must be de-
signed to discharge automatically into 
each disposal receptacle upon occur-
rence of a fire in that receptacle. 

[Amdt. 25–74, 56 FR 15456, Apr. 16, 1991] 

§ 25.855

Cargo or baggage compart-

ments. 

For each cargo or baggage compart-

ment, the following apply: 

(a) The compartment must meet one 

of the class requirements of § 25.857. 

(b) Each of the following cargo or 

baggage compartments, as defined in 
§ 25.857, must have a liner that is sepa-
rate 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 crit-
ical systems and structure are pro-
vided. 

(c) Ceiling and sidewall liner panels 

of Class C cargo or baggage compart-
ments, 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 require-
ments 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 ap-
pendix F of this part or other approved 
equivalent methods. 

(e) No compartment may contain any 

controls, lines, equipment, or acces-
sories 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 compart-
ment, 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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