Code of Federal Regulations > Title 14 > Chapter I > Part 135 > Subpart C - Subpart C—Aircraft and Equipment

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Apr 15, 2026

§ 135.141 - Applicability.

§ 135.143 - General requirements.

§ 135.144 - Portable electronic devices.

§ 135.145 - Aircraft proving and validation tests.

§ 135.147 - Dual controls required.

§ 135.149 - Equipment requirements: General.

§ 135.150 - Public address and crewmember interphone systems.

§ 135.151 - Cockpit voice recorders.

§ 135.152 - Flight data recorders.

§ 135.153 - [Reserved]

§ 135.154 - Terrain awareness and warning system.

§ 135.155 - Fire extinguishers: Passenger-carrying aircraft.

§ 135.156 - Flight data recorders: filtered data.

§ 135.157 - Oxygen equipment requirements.

§ 135.158 - Pitot heat indication systems.

§ 135.159 - Equipment requirements: Carrying passengers under VFR at night or under VFR over-the-top conditions.

§ 135.160 - Radio altimeters for rotorcraft operations.

§ 135.161 - Communication and navigation equipment for aircraft operations under VFR over routes navigated by pilotage.

§ 135.163 - Equipment requirements: Aircraft carrying passengers under IFR.

§ 135.165 - Communication and navigation equipment: Extended over-water or IFR operations.

§ 135.167 - Emergency equipment: Extended overwater operations.

§ 135.168 - Emergency equipment: Overwater rotorcraft operations.

§ 135.169 - Additional airworthiness requirements.

§ 135.170 - Materials for compartment interiors.

§ 135.171 - Shoulder harness installation at flight crewmember stations.

§ 135.173 - Airborne thunderstorm detection equipment requirements.

§ 135.175 - Airborne weather radar equipment requirements.

§ 135.177 - Emergency equipment requirements for aircraft having a passenger seating configuration of more than 19 passengers.

§ 135.178 - Additional emergency equipment.

§ 135.179 - Inoperable instruments and equipment.

§ 135.180 - Traffic Alert and Collision Avoidance System.

§ 135.181 - Performance requirements: Aircraft operated over-the-top or in IFR conditions.

§ 135.183 - Performance requirements: Land aircraft operated over water.

§ 135.185 - Empty weight and center of gravity: Currency requirement.