455 

Federal Aviation Administration, DOT 

§ 135.180 

(3) of this section, and must be readily 
accessible. 

(k) On each large passenger-carrying 

turbojet-powered airplane, each ven-
tral exit and tailcone exit must be— 

(1) Designed and constructed so that 

it cannot be opened during flight; and 

(2) Marked with a placard readable 

from a distance of 30 inches and in-
stalled at a conspicuous location near 
the means of opening the exit, stating 
that the exit has been designed and 
constructed so that it cannot be opened 
during flight. 

(l) 

Portable lights. 

No person may op-

erate a passenger-carrying airplane un-
less it is equipped with flashlight stow-
age provisions accessible from each 
flight attendant seat. 

[Doc. No. 26530, 57 FR 19245, May 4, 1992; 57 
FR 29120, June 30, 1992, as amended at 57 FR 
34682, Aug. 6, 1992] 

§ 135.179

Inoperable instruments and 

equipment. 

(a) No person may take off an air-

craft with inoperable instruments or 
equipment installed unless the fol-
lowing conditions are met: 

(1) An approved Minimum Equipment 

List exists for that aircraft. 

(2) The responsible Flight Standards 

office has issued the certificate holder 
operations specifications authorizing 
operations in accordance with an ap-
proved Minimum Equipment List. The 
flight crew shall have direct access at 
all times prior to flight to all of the in-
formation contained in the approved 
Minimum Equipment List through 
printed or other means approved by the 
Administrator in the certificate hold-
ers operations specifications. An ap-
proved Minimum Equipment List, as 
authorized by the operations specifica-
tions, constitutes an approved change 
to the type design without requiring 
recertification. 

(3) The approved Minimum Equip-

ment List must: 

(i) Be prepared in accordance with 

the limitations specified in paragraph 
(b) of this section. 

(ii) Provide for the operation of the 

aircraft with certain instruments and 
equipment in an inoperable condition. 

(4) Records identifying the inoperable 

instruments and equipment and the in-

formation required by (a)(3)(ii) of this 
section must be available to the pilot. 

(5) The aircraft is operated under all 

applicable conditions and limitations 
contained in the Minimum Equipment 
List and the operations specifications 
authorizing use of the Minimum Equip-
ment List. 

(b) The following instruments and 

equipment may not be included in the 
Minimum Equipment List: 

(1) Instruments and equipment that 

are either specifically or otherwise re-
quired by the airworthiness require-
ments under which the airplane is type 
certificated and which are essential for 
safe operations under all operating 
conditions. 

(2) Instruments and equipment re-

quired by an airworthiness directive to 
be in operable condition unless the air-
worthiness directive provides other-
wise. 

(3) Instruments and equipment re-

quired for specific operations by this 
part. 

(c) Notwithstanding paragraphs (b)(1) 

and (b)(3) of this section, an aircraft 
with inoperable instruments or equip-
ment may be operated under a special 
flight permit under §§ 21.197 and 21.199 
of this chapter. 

[Doc. No. 25780, 56 FR 12311, Mar. 22, 1991; 56 
FR 14920, Apr. 8, 1991, as amended by Amdt. 
135–60, 61 FR 2616, Jan. 26, 1996; Amdt. 135–91, 
68 FR 54586, Sept. 17, 2003; Docket FAA–2018– 
0119, Amdt. 135–139, 83 FR 9175, Mar. 5, 2018] 

§ 135.180

Traffic Alert and Collision 

Avoidance System. 

(a) Unless otherwise authorized by 

the Administrator, after December 31, 
1995, no person may operate a turbine 
powered airplane that has a passenger 
seat configuration, excluding any pilot 
seat, of 10 to 30 seats unless it is 
equipped with an approved traffic alert 
and collision avoidance system. If a 
TCAS II system is installed, it must be 
capable of coordinating with TCAS 
units that meet TSO C–119. 

(b) The airplane flight manual re-

quired by § 135.21 of this part shall con-
tain the following information on the 
TCAS I system required by this sec-
tion: 

(1) Appropriate procedures for— 
(i) The use of the equipment; and 

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