StacksVerified U.S. regulatory reference

14 CFR §135.149

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
No person may operate an aircraft unless it is equipped with—
  1. (a)A sensitive altimeter that is adjustable for barometric pressure;
  2. (b)Heating or deicing equipment for each carburetor or, for a pressure carburetor, an alternate air source;
  3. (c)For turbojet airplanes, in addition to two gyroscopic bank-and-pitch indicators (artificial horizons) for use at the pilot stations, a third indicator that is installed in accordance with the instrument requirements prescribed in § 121.305(j) of this chapter.
  4. (d)[Reserved]
  5. (e)For turbine powered aircraft, any other equipment as the Administrator may require.