Aircraft communication and navigation equipment for operations under IFR or over the top.

CFR · 2024-01-01 · US · Title 14

(a) (1) The en route navigation aids necessary for navigating the aircraft along the route (e.g., ATS routes, arrival and departure routes, and instrument approach procedures, including missed approach procedures if a missed approach routing is specified in the procedure) are available and suitable for use by the aircraft navigation equipment required by this section; (2) The aircraft used in those operations is equipped with at least the following— (i) Except as provided in paragraph (c) of this section, two approved independent navigation systems suitable for navigating the aircraft along the route to be flown within the degree of accuracy required for ATC; (ii) One marker beacon receiver providing visual and aural signals; and (iii) One ILS receiver; and (3) Any RNAV system used to meet the navigation equipment requirements of this section is authorized in the foreign air carrier's operations specifications. (b) (1) At least two independent communication systems necessary under normal operating conditions to fulfill the functions specified in § 121.347(a) of this chapter; and (2) At least one of the communication systems required by paragraph (b)(1) of this section must have two-way voice communication capability. (c) (1) It can be shown that the aircraft is equipped with at least one other (2) The aircraft has sufficient fuel so that the flight may proceed safely to a suitable airport by use of the remaining navigation system, and complete an instrument approach and land.

official document · source cfr-2024 · id 14:§ 129.17