Aircraft certification and equipment requirements.

CFR · 2024-01-01 · US · Title 14

(a) (1) That airplane meets the requirements of § 121.173(c), or (2) That airplane and all other airplanes of the same or related type operated by that certificate holder meet the performance requirements of sections 4a.737-T through 4a.750-T of the Civil Air Regulations as in effect on January 31, 1965; or §§ 25.45 through 25.75 and § 121.173(a), (b), (d), and (e) of this title. (b) (c) (1) The requirements of sections 4b.0 through 4b.19 as in effect May 18, 1954, must be complied with; (2) The birdproof windshield requirements of section 4b.352 need not be complied with; (3) The provisions of sections 4b.480 through 4b.490 (except sections 4b.484(a)(1) and 4b.487(e)), as in effect May 16, 1953, must be complied with; and (4) The provisions of paragraph 4b.484(a)(1), as in effect July 20, 1950, must be complied with. (d) (1) It is certificated at a maximum gross weight that is not greater than 48,000 pounds; (2) It meets the requirements of §§ 121.199 through 121.205 using the performance data in appendix C to this part; (3) Before each flight, each engine contains at least 25 gallons of oil; and (4) After December 31, 1964— (i) It is powered by a type and model engine as set forth in appendix C of this part, when certificated at a maximum gross takeoff weight greater than 45,000 pounds; and (ii) It complies with the special airworthiness requirement set forth in §§ 121.213 through 121.287 of this part or in appendix C of this part. (e) (f) (1) Until December 20, 2010: (i) T

official document · source cfr-2024 · id 14:§ 121.157