Federal Aviation Administration, DOT

Section 121.312

equipped at each flight deck station
with a combined safety belt and shoulder harness that meets the applicable
requirements specified in Section 25.785 of this
chapter, effective March 6, 1980, except
that - 
(1) Shoulder harnesses and combined
safety belt and shoulder harnesses that
were approved and installed before
March 6, 1980, may continue to be used;
and
(2) Safety belt and shoulder harness
restraint systems may be designed to
the inertia load factors established
under the certification basis of the airplane.
(g) Each flight attendant must have a
seat for takeoff and landing in the passenger compartment that meets the requirements of Section 25.785 of this chapter,
effective March 6, 1980, except that - 
(1) Combined safety belt and shoulder
harnesses that were approved and installed before March, 6, 1980, may continue to be used; and
(2) Safety belt and shoulder harness
restraint systems may be designed to
the inertia load factors established
under the certification basis of the airplane.
(3) The requirements of Section 25.785(h) do
not apply to passenger seats occupied
by flight attendants not required by
Section 121.391.
(h) Each occupant of a seat equipped
with a shoulder harness or with a combined safety belt and shoulder harness
must have the shoulder harness or
combined safety belt and shoulder harness properly secured about that occupant during takeoff and landing, except
that a shoulder harness that is not
combined with a safety belt may be unfastened if the occupant cannot perform the required duties with the
shoulder harness fastened.
(i) At each unoccupied seat, the safety belt and shoulder harness, if installed, must be secured so as not to
interfere with crewmembers in the performance of their duties or with the
rapid egress of occupants in an emergency.
(j) After October 27, 2009, no person
may operate a transport category airplane type certificated after January 1,
1958 and manufactured on or after October 27, 2009 in passenger-carrying operations under this part unless all pas-

senger and flight attendant seats on
the airplane meet the requirements of
Section 25.562 in effect on or after June 16,
1988.
(k) Seat dimension disclosure. (1) Each
air carrier that conducts operations
under this part and that has a Web site
must make available on its Web site
the width of the narrowest and widest
passenger seats in each class of service
for each airplane make, model and series operated by that air carrier in passenger-carrying operations.
(2) For purposes of paragraph (k)(1) of
this section, the width of a passenger
seat means the distance between the
inside of the armrests for that seat.
[Doc. No. 7522, 32 FR 13267, Sept. 20, 1967]
EDITORIAL NOTE: For FEDERAL REGISTER citations affecting Section 121.311, see the List of CFR
Sections Affected, which appears in the
Finding Aids section of the printed volume
and at www.govinfo.gov.

Section 121.312 Materials
interiors.

for

compartment

(a) All interior materials; transport category airplanes and nontransport category airplanes type certificated before
January 1, 1965. Except for the materials covered by paragraph (b) of this
section, all materials in each compartment of a transport category airplane,
or a nontransport category airplane
type certificated before January 1, 1965,
used by the crewmembers and passengers, must meet the requirements of
Section 25.853 of this chapter in effect as follows, or later amendment thereto:
(1) Airplane with passenger seating capacity of 20 or more - (i) Manufactured
after August 19, 1988, but prior to August
20, 1990. Except as provided in paragraph (a)(3)(ii) of this section, each airplane with a passenger capacity of 20 or
more and manufactured after August
19, 1988, but prior to August 20, 1990,
must comply with the heat release rate
testing provisions of Section 25.853(d) in effect
March 6, 1995 (formerly Section 25.853(a-1) in
effect on August 20, 1986) (see App. L of
this part), except that the total heat
release over the first 2 minutes of sample exposure must not exceed 100 kilowatt minutes per square meter and the
peak heat release rate must not exceed
100 kilowatts per square meter.

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