Section 135.141 14 CFR Ch. I (1-1-19 Edition) paragraph (d) of this section or a passenger 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 accommodate a passenger being relocated from an exit seat, the certificate holder shall move a passenger who is willing 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 crewmember 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 section 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 information, passenger information cards, crewmember verification of appropriate seating in exit seats, passenger 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 certificate holder employee on the airport to whom complaints should be addressed for resolution; and, (2) Submit their procedures for preliminary review and approval to the principal operations inspectors assigned 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 paragraph (n) of this section will not become 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 Section 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 aircraft and equipment requirements of part 91 of this chapter. However, this part does not require the duplication of any equipment required by this chapter. Section 135.143 General requirements. (a) No person may operate an aircraft under this part unless that aircraft and its equipment meet the applicable regulations of this chapter. (b) Except as provided in Section 135.179, no person may operate an aircraft under this part unless the required instruments and equipment in it have been approved and are in an operable condition. (c) ATC transponder equipment installed within the time periods indicated below must meet the performance and environmental requirements of the following TSO-s: (1) Through January 1, 1992: (i) Any class of TSO-C74b or any class of TSOC74c 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 appropriate class of TSO-C112 (Mode S). For purposes of paragraph (c)(2) of this section, - installation - does not include - (i) Temporary installation of TSOC74b or TSO-C74c substitute equipment, as appropriate, during maintenance of the permanent equipment; (ii) Reinstallation of equipment after temporary removal for maintenance; or 432 VerDate Sep<11>2014 08:20 May 17, 2019 Jkt 247048 PO 00000 Frm 00442 Fmt 8010 Sfmt 8002 Y:\SGML\247048.XXX 247048