432 

14 CFR Ch. I (1–1–19 Edition) 

§ 135.141 

paragraph (d) of this section or a pas-
senger requests a non-exit seat, the 
certificate holder shall expeditiously 
relocate the passenger to a non-exit 
seat. 

(l) In the event of full booking in the 

non-exit seats and if necessary to ac-
commodate a passenger being relocated 
from an exit seat, the certificate hold-
er shall move a passenger who is will-
ing and able to assume the evacuation 
functions that may be required, to an 
exit seat. 

(m) A certificate holder may deny 

transportation to any passenger under 
this section only because— 

(1) The passenger refuses to comply 

with instructions given by a crew-
member or other authorized employee 
of the certificate holder implementing 
exit seating restrictions established in 
accordance with this section, or 

(2) The only seat that will physically 

accommodate the person’s handicap is 
an exit seat. 

(n) In order to comply with this sec-

tion certificate holders shall— 

(1) Establish procedures that address: 
(i) The criteria listed in paragraph 

(b) of this section; 

(ii) The functions listed in paragraph 

(d) of this section; 

(iii) The requirements for airport in-

formation, passenger information 
cards, crewmember verification of ap-
propriate seating in exit seats, pas-
senger briefings, seat assignments, and 
denial of transportation as set forth in 
this section; 

(iv) How to resolve disputes arising 

from implementation of this section, 
including identification of the certifi-
cate holder employee on the airport to 
whom complaints should be addressed 
for resolution; and, 

(2) Submit their procedures for pre-

liminary review and approval to the 
principal operations inspectors as-
signed to them at the responsible 
Flight Standards office. 

(o) Certificate holders shall assign 

seats prior to boarding consistent with 
the criteria listed in paragraph (b) and 
the functions listed in paragraph (d) of 
this section, to the maximum extent 
feasible. 

(p) The procedures required by para-

graph (n) of this section will not be-
come effective until final approval is 

granted by the Executive Director, 
Flight Standards Service, Washington, 
DC. Approval will be based solely upon 
the safety aspects of the certificate 
holder’s procedures. 

[Doc. No. 25821, 55 FR 8073, Mar. 6, 1990, as 
amended by Amdt. 135–45, 57 FR 48664, Oct. 
27, 1992; Amdt. 135–50, 59 FR 33603, June 29, 
1994; Amdt. 135–60, 61 FR 2616, Jan. 26, 1996; 
Docket FAA–2018–0119, Amdt. 135–139, 83 FR 
9175, Mar. 5, 2018] 

Subpart C—Aircraft and 

Equipment 

§ 135.141

Applicability. 

This subpart prescribes aircraft and 

equipment requirements for operations 
under this part. The requirements of 
this subpart are in addition to the air-
craft and equipment requirements of 
part 91 of this chapter. However, this 
part does not require the duplication of 
any equipment required by this chap-
ter. 

§ 135.143

General requirements. 

(a) No person may operate an aircraft 

under this part unless that aircraft and 
its equipment meet the applicable reg-
ulations of this chapter. 

(b) Except as provided in § 135.179, no 

person may operate an aircraft under 
this part unless the required instru-
ments and equipment in it have been 
approved and are in an operable condi-
tion. 

(c) ATC transponder equipment in-

stalled within the time periods indi-
cated below must meet the perform-
ance and environmental requirements 
of the following TSO’s: 

(1) 

Through January 1, 1992: 

(i) Any 

class of TSO-C74b or any class of TSO- 
C74c as appropriate, provided that the 
equipment was manufactured before 
January 1, 1990; or 

(ii) The appropriate class of TSO-C112 

(Mode S). 

(2) 

After January 1, 1992: 

The appro-

priate class of TSO-C112 (Mode S). For 
purposes of paragraph (c)(2) of this sec-
tion, ‘‘installation’’ does not include— 

(i) Temporary installation of TSO- 

C74b or TSO-C74c substitute equip-
ment, as appropriate, during mainte-
nance of the permanent equipment; 

(ii) Reinstallation of equipment after 

temporary removal for maintenance; or 

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