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14 CFR Ch. I (1–1–19 Edition) 

§ 121.314 

pilot’s permission, except that non-
transport category airplanes certifi-
cated after December 31, 1964, are not 
required to comply with this para-
graph. For airplanes equipped with a 
crew rest area having separate entries 
from the flightdeck and the passenger 
compartment, a door with such a lock-
ing means must be provided between 
the crew rest area and the passenger 

(g) A key for each door that sepa-

rates a passenger compartment from 
another compartment that has emer-
gency exit provisions. Except for 
flightdeck doors, a key must be readily 
available for each crewmember. Except 
as provided below, no person other 
than a person who is assigned to per-
form duty on the flightdeck may have 
a key to the flightdeck door. Before 
April 22, 2003, any crewmember may 
have a key to the flightdeck door but 
only if the flightdeck door has an in-
ternal flightdeck locking device in-
stalled, operative, and in use. Such 
‘‘internal flightdeck locking device’’ 
has to be designed so that it can only 
be unlocked from inside the flightdeck. 

(h) A placard on each door that is the 

means of access to a required passenger 
emergency exit, to indicate that it 
must be open during takeoff and land-

(i) A means for the crew, in an emer-

gency to unlock each door that leads to 
a compartment that is normally acces-
sible to passengers and that can be 
locked by passengers. 

(j) After April 9, 2003, for airplanes 

required by paragraph (f) of this sec-
tion to have a door between the pas-
senger and pilot or crew rest compart-
ments, and for transport category, all- 
cargo airplanes that have a door in-
stalled between the pilot compartment 
and any other occupied compartment 
on January 15, 2002; 

(1) After April 9, 2003, for airplanes 

required by paragraph (f) of this sec-
tion to have a door between the pas-
senger and pilot or crew rest compart-

(i) Each such door must meet the re-

quirements of § 25.795(a)(1) and (2) in ef-
fect on January 15, 2002; and 

(ii) Each operator must establish 

methods to enable a flight attendant to 
enter the pilot compartment in the 

event that a flightcrew member be-
comes incapacitated. Any associated 
signal or confirmation system must be 
operable by each flightcrew member 
from that flightcrew member’s duty 

(2) After October 1, 2003, for transport 

category, all-cargo airplanes that had a 
door installed between the pilot com-
partment and any other occupied com-
partment on or after January 15, 2002, 
each such door must meet the require-
ments of § 25.795(a)(1) and (2) in effect 
on January 15, 2002; or the operator 
must implement a security program 
approved by the Transportation Secu-
rity Administration (TSA) for the oper-
ation of all airplanes in that operator’s 

(k) Except for all-cargo operations as 

defined in § 110.2 of this chapter, for all 
passenger-carrying airplanes that re-
quire a lockable flightdeck door in ac-
cordance with paragraph (f) of this sec-
tion, a means to monitor from the 
flightdeck side of the door the area 
outside the flightdeck door to identify 
persons requesting entry and to detect 
suspicious behavior and potential 

[Doc. No. 6258, 29 FR 19205, Dec. 31, 1964, as 
amended by Amdt. 121–5, 30 FR 6113, Apr. 30, 
1965; Amdt. 121–251, 60 FR 65931, Dec. 20, 1995; 
Amdt. 121–288, 67 FR 2127, Jan. 15, 2002; Amdt. 
121–299, 68 FR 42881, July 18, 2003; Amdt. 121– 
334, 72 FR 45635, Aug. 15, 2007; Amdt. 121–353, 
76 FR 7488, Feb. 10, 2011] 

§ 121.314

Cargo and baggage compart-


For each transport category airplane 

type certificated after January 1, 1958: 

(a) Each Class C or Class D compart-

ment, as defined in § 25.857 of this Chap-
ter in effect on June 16, 1986 (see Ap-
pendix L to this part), that is greater 
than 200 cubic feet in volume must 
have ceiling and sidewall liner panels 
which are constructed of: 

(1) Glass fiber reinforced resin; 
(2) Materials which meet the test re-

quirements of part 25, appendix F, part 
III of this chapter; or 

(3) In the case of liner installations 

approved prior to March 20, 1989, alu-

(b) For compliance with paragraph 

(a) of this section, the term ‘‘liner’’ in-
cludes any design feature, such as a 

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