114
14 CFR Ch. I (1–1–19 Edition)
§ 121.312
(ii)
Manufactured after August 19, 1990.
Each airplane with a passenger capac-
ity of 20 or more and manufactured
after August 19, 1990, must comply with
the heat release rate and smoke testing
provisions of § 25.853(d) in effect March
6, 1995 (formerly § 25.853(a–1)(see app. L
of this part) in effect on September 26,
1988).
(2)
Substantially complete replacement
of the cabin interior on or after May 1,
1972
—(i)
Airplane for which the applica-
tion for type certificate was filed prior to
May 1, 1972.
Except as provided in para-
graph (a)(3)(i) or (a)(3)(ii) of this sec-
tion, each airplane for which the appli-
cation for type certificate was filed
prior to May 1, 1972, must comply with
the provisions of § 25.853 in effect on
April 30, 1972, regardless of passenger
capacity, if there is a substantially
complete replacement of the cabin in-
terior after April 30, 1972.
(ii)
Airplane for which the application
for type certificate was filed on or after
May 1, 1972.
Except as provided in para-
graph (a)(3)(i) or (a)(3)(ii) of this sec-
tion, each airplane for which the appli-
cation for type certificate was filed on
or after May 1, 1972, must comply with
the material requirements under which
the airplane was type certificated, re-
gardless of passenger capacity, if there
is a substantially complete replace-
ment of the cabin interior on or after
that date.
(3)
Airplane type certificated after Jan-
uary 1, 1958, with passenger capacity of 20
or more
—(i)
Substantially complete re-
placement of the cabin interior on or after
March 6, 1995.
Except as provided in
paragraph (a)(3)(ii) of this section, each
airplane that was type certificated
after January 1, 1958, and has a pas-
senger capacity of 20 or more, must
comply with the heat release rate test-
ing provisions of § 25.853(d) in effect
March 6, 1995 (formerly § 25.853(a–1) in
effect on August 20, 1986)(see app. L of
this part), if there is a substantially
complete replacement of the cabin in-
terior components identified in
§ 25.853(d), on or after that date, except
that the total heat release over the
first 2 minutes of sample exposure shall
not exceed 100 kilowatt-minutes per
square meter and the peak heat release
rate must not exceed 100 kilowatts per
square meter.
(ii)
Substantially complete replacement
of the cabin interior on or after August 20,
1990.
Each airplane that was type cer-
tificated after January 1, 1958, and has
a passenger capacity of 20 or more,
must comply with the heat release rate
and smoke testing provisions of
§ 25.853(d) in effect March 6, 1995 (for-
merly § 25.853(a–1) in effect on Sep-
tember 26, 1988)(see app. L of this part),
if there is a substantially complete re-
placement of the cabin interior compo-
nents identified in § 25.853(d), on or
after August 20, 1990.
(4) Contrary provisions of this sec-
tion notwithstanding, the Director of
the division of the Aircraft Certifi-
cation Service responsible for the air-
worthiness rules may authorize devi-
ation from the requirements of para-
graph (a)(1)(i), (a)(1)(ii), (a)(3)(i), or
(a)(3)(ii) of this section for specific
components of the cabin interior that
do not meet applicable flammability
and smoke emission requirements, if
the determination is made that special
circumstances exist that make compli-
ance impractical. Such grants of devi-
ation will be limited to those airplanes
manufactured within 1 year after the
applicable date specified in this section
and those airplanes in which the inte-
rior is replaced within 1 year of that
date. A request for such grant of devi-
ation must include a thorough and ac-
curate analysis of each component sub-
ject to § 25.853(a–1), the steps being
taken to achieve compliance, and, for
the few components for which timely
compliance will not be achieved, cred-
ible reasons for such noncompliance.
(5) Contrary provisions of this sec-
tion notwithstanding, galley carts and
galley standard containers that do not
meet the flammability and smoke
emission requirements of § 25.853(d) in
effect March 6, 1995 (formerly § 25.853(a–
1)) (see app. L of this part) may be used
in airplanes that must meet the re-
quirements of paragraphs (a)(1)(i),
(a)(1)(ii), (a)(3)(i), or (a)(3)(ii) of this
section, provided the galley carts or
standard containers were manufac-
tured prior to March 6, 1995.
(b)
Seat cushions.
Seat cushions, ex-
cept those on flight crewmember seats,
in each compartment occupied by crew
or passengers, must comply with the
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