14 CFR · Part 135
14 CFR § 135.149
Equipment requirements: General.
No person may operate an aircraft unless it is equipped with—
A sensitive altimeter that is adjustable for barometric pressure;
Heating or deicing equipment for each carburetor or, for a pressure carburetor, an alternate air source;
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.
[Reserved]
For turbine powered aircraft, any other equipment as the Administrator may require.
Regulations Referenced
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
Primary Source