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  4. Part 91
  5. § 91.1
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14 CFR · Part 91

14 CFR § 91.1

Applicability.

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Read in Subpart A
Part 91 Contents
  • Special Federal Aviation Regulation No. 50-2: Special Flight Rules in the Vicinity of the Grand Canyon National Park, AZ
  • Special Federal Aviation Regulation No. 60: Air Traffic Control System Emergency Operation
  • Special Federal Aviation Regulation No. 97: Special Operating Rules for the Conduct of Instrument Flight Rules (IFR) Area Navigation (RNAV) Operations using Global Positioning Systems (GPS) in Alaska
  • Special Federal Aviation Regulation No. 104: Prohibition Against Certain Flights by Syrian Air Carriers to the United States
  • Subpart A: General
  • Subpart B: Flight Rules
  • Subpart C: Equipment, Instrument, and Certificate Requirements
  • Subpart D: Special Flight Operations
  • Subpart E: Maintenance, Preventive Maintenance, and Alterations
  • Subpart F: Large and Turbine-Powered Multiengine Airplanes and Fractional Ownership Program Aircraft
  • Subpart G: Additional Equipment and Operating Requirements for Large and Transport Category Aircraft
  • Subpart H: Foreign Aircraft Operations and Operations of U.S.-Registered Civil Aircraft Outside of the United States; and Rules Governing Persons on Board Such Aircraft
  • Subpart I: Operating Noise Limits
  • Subpart J: Waivers
  • Subpart K: Fractional Ownership Operations
  • Subpart L: Continued Airworthiness and Safety Improvements
  • Subpart M: Special Federal Aviation Regulations
  • Subpart N: Mitsubishi MU-2B Series Special Training, Experience, and Operating Requirements
  • Appendix A to Part 91: Category II Operations: Manual, Instruments, Equipment, and Maintenance
  • Appendix D to Part 91: Airports/Locations: Special Operating Restrictions
  • Appendix E to Part 91: Airplane Flight Recorder Specifications
  • Appendix F to Part 91: Helicopter Flight Recorder Specifications
  • Appendix G to Part 91: Operations in Reduced Vertical Separation Minimum (RVSM) Airspace
(a)

Except as provided in paragraphs (b), (c), (e), and (f) of this section and §§ 91.701 and 91.703, this part prescribes rules governing the operation of aircraft within the United States, including the waters within 3 nautical miles of the U.S. coast.

(b)

Each person operating an aircraft in the airspace overlying the waters between 3 and 12 nautical miles from the coast of the United States must comply with §§ 91.1 through 91.21; §§ 91.101 through 91.143; §§ 91.151 through 91.159; §§ 91.167 through 91.193; § 91.203; § 91.205; §§ 91.209 through 91.217; § 91.221, § 91.225; §§ 91.303 through 91.319; §§ 91.323 through 91.327; § 91.605; § 91.609; §§ 91.703 through 91.715; and § 91.903.

(c)

This part applies to each person on board an aircraft being operated under this part, unless otherwise specified.

(d)

This part also establishes requirements for operators to take actions to support the continued airworthiness of each aircraft.

(e)

This part does not apply to any aircraft or vehicle governed by part 103 of this chapter, or subparts B, C, or D of part 101 of this chapter.

(f)

Except as provided in §§ 107.13, 107.27, 107.47, 107.57, and 107.59 of this chapter, this part does not apply to any aircraft governed by part 107 of this chapter.

(g)

Additional requirements for powered-lift operations are set forth in part 194 of this chapter.

Referenced By

Interpretations of This Section (6)

  • Cooling, 2017
  • Mostofizadeh, 2013
  • Hill (CarsonHelicopters), 2011
  • Simmons, 2010
  • Anderson, 2009
  • Shacknai, 2007

Advisory Circulars (1)

  • AC 90-114C

Documents that cite this section, found in their catalog metadata or text. Listed by date, not by significance.

Regulations Referenced

14 CFR 91.70114 CFR 91.70314 CFR 91.114 CFR 91.2114 CFR 91.10114 CFR 91.14314 CFR 91.15114 CFR 91.15914 CFR 91.16714 CFR 91.19314 CFR 91.20314 CFR 91.20514 CFR 91.20914 CFR 91.21714 CFR 91.22114 CFR 91.22514 CFR 91.30314 CFR 91.31914 CFR 91.32314 CFR 91.32714 CFR 91.60514 CFR 91.60914 CFR 91.71514 CFR 91.90314 CFR Part 10314 CFR Part 10114 CFR 107.1314 CFR 107.2714 CFR 107.4714 CFR 107.5714 CFR Part 107

Reflects the eCFR edition current as of July 6, 2026. Retrieved from ecfr.gov on July 17, 2026.

Primary Source

  • Official Source (14 CFR · Part 91)