Code of Federal Regulations > Title 14 > Chapter I > Part 135 > Subpart B - Subpart B—Flight Operations

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Dec 14, 2025

§ 135.61 - General.

§ 135.63 - Recordkeeping requirements.

§ 135.64 - Retention of contracts and amendments: Commercial operators who conduct intrastate operations for compensation or hire.

§ 135.65 - Reporting mechanical irregularities.

§ 135.67 - Reporting potentially hazardous meteorological conditions and irregularities of ground facilities or navigation aids.

§ 135.69 - Restriction or suspension of operations: Continuation of flight in an emergency.

§ 135.71 - Airworthiness check.

§ 135.73 - Inspections and tests.

§ 135.75 - Inspectors credentials: Admission to pilots' compartment: Forward observer's seat.

§ 135.76 - DOD Commercial Air Carrier Evaluator's Credentials: Admission to pilots compartment: Forward observer's seat.

§ 135.77 - Responsibility for operational control.

§ 135.78 - Instrument approach procedures and IFR landing minimums.

§ 135.79 - Flight locating requirements.

§ 135.81 - Informing personnel of operational information and appropriate changes.

§ 135.83 - Operating information required.

§ 135.85 - Carriage of persons without compliance with the passenger-carrying provisions of this part.

§ 135.87 - Carriage of cargo including carry-on baggage.

§ 135.89 - Pilot requirements: Use of oxygen.

§ 135.91 - Oxygen and portable oxygen concentrators for medical use by passengers.

§ 135.93 - Minimum altitudes for use of autopilot.

§ 135.95 - Airmen: Limitations on use of services.

§ 135.97 - Aircraft and facilities for recent flight experience.

§ 135.98 - Operations in the North Polar Area.

§ 135.99 - Composition of flight crew.

§ 135.100 - Flight crewmember duties.

§ 135.101 - Second in command required under IFR.

§ 135.103 - [Reserved]

§ 135.105 - Exception to second in command requirement: Approval for use of autopilot system.

§ 135.107 - Flight attendant crewmember requirement.

§ 135.109 - Pilot in command or second in command: Designation required.

§ 135.111 - Second in command required in Category II operations.

§ 135.113 - Passenger occupancy of pilot seat.

§ 135.115 - Manipulation of controls.

§ 135.117 - Briefing of passengers before flight.

§ 135.119 - Prohibition against carriage of weapons.

§ 135.120 - Prohibition on interference with crewmembers.

§ 135.121 - Alcoholic beverages.

§ 135.122 - Stowage of food, beverage, and passenger service equipment during aircraft movement on the surface, takeoff, and landing.

§ 135.123 - Emergency and emergency evacuation duties.

§ 135.125 - Aircraft security.

§ 135.127 - Passenger information requirements and smoking prohibitions.

§ 135.128 - Use of safety belts and child restraint systems.

§ 135.129 - Exit seating.