U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 14Chapter IPart 91Subpart B - Subpart B—Flight Rules

GENERAL
§ 91.101 - Applicability.
§ 91.103 - Preflight action.
§ 91.105 - Flight crewmembers at stations.
§ 91.107 - Use of safety belts, shoulder harnesses, and child restraint systems.
§ 91.108 - Use of supplemental restraint systems.
§ 91.109 - Flight instruction; Simulated instrument flight and certain flight tests.
§ 91.111 - Operating near other aircraft.
§ 91.113 - Right-of-way rules: Except water operations.
§ 91.115 - Right-of-way rules: Water operations.
§ 91.117 - Aircraft speed.
§ 91.119 - Minimum safe altitudes: General.
§ 91.121 - Altimeter settings.
§ 91.123 - Compliance with ATC clearances and instructions.
§ 91.125 - ATC light signals.
§ 91.126 - Operating on or in the vicinity of an airport in Class G airspace.
§ 91.127 - Operating on or in the vicinity of an airport in Class E airspace.
§ 91.129 - Operations in Class D airspace.
§ 91.130 - Operations in Class C airspace.
§ 91.131 - Operations in Class B airspace.
§ 91.133 - Restricted and prohibited areas.
§ 91.135 - Operations in Class A airspace.
§ 91.137 - Temporary flight restrictions in the vicinity of disaster/hazard areas.
§ 91.138 - Temporary flight restrictions in national disaster areas in the State of Hawaii.
§ 91.139 - Emergency air traffic rules.
§ 91.141 - Flight restrictions in the proximity of the Presidential and other parties.
§ 91.143 - Flight limitation in the proximity of space flight operations.
§ 91.144 - Temporary restriction on flight operations during abnormally high barometric pressure conditions.
§ 91.145 - Management of aircraft operations in the vicinity of aerial demonstrations and major sporting events.
§ 91.146 - Passenger-carrying flights for the benefit of a charitable, nonprofit, or community event.
§ 91.147 - Passenger-carrying flights for compensation or hire.
§§ 91.148-91.149 - §[Reserved]

VISUAL FLIGHT RULES
§ 91.151 - Fuel requirements for flight in VFR conditions.
§ 91.153 - VFR flight plan: Information required.
§ 91.155 - Basic VFR weather minimums.
§ 91.157 - Special VFR weather minimums.
§ 91.159 - VFR cruising altitude or flight level.
§ 91.161 - Special awareness training required for pilots flying under visual flight rules within a 60-nautical mile radius of the Washington, DC VOR/DME.
§§ 91.162-91.165 - §[Reserved]

INSTRUMENT FLIGHT RULES
§ 91.167 - Fuel requirements for flight in IFR conditions.
§ 91.169 - IFR flight plan: Information required.
§ 91.171 - VOR equipment check for IFR operations.
§ 91.173 - ATC clearance and flight plan required.
§ 91.175 - Takeoff and landing under IFR.
§ 91.176 - Straight-in landing operations below DA/DH or MDA using an enhanced flight vision system (EFVS) under IFR.
§ 91.177 - Minimum altitudes for IFR operations.
§ 91.179 - IFR cruising altitude or flight level.
§ 91.180 - Operations within airspace designated as Reduced Vertical Separation Minimum airspace.
§ 91.181 - Course to be flown.
§ 91.183 - IFR communications.
§ 91.185 - IFR operations: Two-way radio communications failure.
§ 91.187 - Operation under IFR in controlled airspace: Malfunction reports.
§ 91.189 - Category II and III operations: General operating rules.
§ 91.191 - Category II and Category III manual.
§ 91.193 - Certificate of authorization for certain Category II operations.
§§ 91.195-91.199 - §[Reserved]
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