Atlas / eCFR / Subchapter C / Part 23
14 CFR · Part 23
AIRWORTHINESS STANDARDS: NORMAL CATEGORY AIRPLANES
18 Legal Interpretations 334 Special Conditions 406 ELOS findings
Authority
49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704, Pub. L. 113-53, 127 Stat. 584 (49 U.S.C. 44704) note.
Source
Doc. No. FAA-2015-1621, Amdt. 23-64, 81 FR 96689, Dec. 30, 2016, unless otherwise noted.
Subpart A — General
3 sections
Subpart B — Flight
14 sections
- § 23.2100 § 23.2100 Weight and center of gravity. ↗
- § 23.2105 § 23.2105 Performance data. ↗
- § 23.2110 § 23.2110 Stall speed. ↗
- § 23.2115 § 23.2115 Takeoff performance. ↗
- § 23.2120 § 23.2120 Climb requirements. ↗
- § 23.2125 § 23.2125 Climb information. ↗
- § 23.2130 § 23.2130 Landing. ↗
- § 23.2135 § 23.2135 Controllability. ↗
- § 23.2140 § 23.2140 Trim. ↗
- § 23.2145 § 23.2145 Stability. ↗
- § 23.2150 § 23.2150 Stall characteristics, stall warning, and spins. ↗
- § 23.2155 § 23.2155 Ground and water handling characteristics. ↗
- § 23.2160 § 23.2160 Vibration, buffeting, and high-speed characteristics. ↗
- § 23.2165 § 23.2165 Performance and flight characteristics requirements for flight in icing conditions. ↗
Subpart C — Structures
15 sections
- § 23.2200 § 23.2200 Structural design envelope. ↗
- § 23.2205 § 23.2205 Interaction of systems and structures. ↗
- § 23.2210 § 23.2210 Structural design loads. ↗
- § 23.2215 § 23.2215 Flight load conditions. ↗
- § 23.2220 § 23.2220 Ground and water load conditions. ↗
- § 23.2225 § 23.2225 Component loading conditions. ↗
- § 23.2230 § 23.2230 Limit and ultimate loads. ↗
- § 23.2235 § 23.2235 Structural strength. ↗
- § 23.2240 § 23.2240 Structural durability. ↗
- § 23.2245 § 23.2245 Aeroelasticity. ↗
- § 23.2250 § 23.2250 Design and construction principles. ↗
- § 23.2255 § 23.2255 Protection of structure. ↗
- § 23.2260 § 23.2260 Materials and processes. ↗
- § 23.2265 § 23.2265 Special factors of safety. ↗
- § 23.2270 § 23.2270 Emergency conditions. ↗
Subpart D — Design and Construction
8 sections
- § 23.2300 § 23.2300 Flight control systems. ↗
- § 23.2305 § 23.2305 Landing gear systems. ↗
- § 23.2310 § 23.2310 Buoyancy for seaplanes and amphibians. ↗
- § 23.2315 § 23.2315 Means of egress and emergency exits. ↗
- § 23.2320 § 23.2320 Occupant physical environment. ↗
- § 23.2325 § 23.2325 Fire protection. ↗
- § 23.2330 § 23.2330 Fire protection in designated fire zones and adjacent areas. ↗
- § 23.2335 § 23.2335 Lightning protection. ↗
Subpart E — Powerplant
9 sections
- § 23.2400 § 23.2400 Powerplant installation. ↗
- § 23.2405 § 23.2405 Automatic power or thrust control systems. ↗
- § 23.2410 § 23.2410 Powerplant installation hazard assessment. ↗
- § 23.2415 § 23.2415 Powerplant ice protection. ↗
- § 23.2420 § 23.2420 Reversing systems. ↗
- § 23.2425 § 23.2425 Powerplant operational characteristics. ↗
- § 23.2430 § 23.2430 Fuel systems. ↗
- § 23.2435 § 23.2435 Powerplant induction and exhaust systems. ↗
- § 23.2440 § 23.2440 Powerplant fire protection. ↗
Subpart F — Equipment
11 sections
- § 23.2500 § 23.2500 Airplane level systems requirements. ↗
- § 23.2505 § 23.2505 Function and installation. ↗
- § 23.2510 § 23.2510 Equipment, systems, and installations. ↗
- § 23.2515 § 23.2515 Electrical and electronic system lightning protection. ↗
- § 23.2520 § 23.2520 High-intensity Radiated Fields (HIRF) protection. ↗
- § 23.2525 § 23.2525 System power generation, storage, and distribution. ↗
- § 23.2530 § 23.2530 External and cockpit lighting. ↗
- § 23.2535 § 23.2535 Safety equipment. ↗
- § 23.2540 § 23.2540 Flight in icing conditions. ↗
- § 23.2545 § 23.2545 Pressurized systems elements. ↗
- § 23.2550 § 23.2550 Equipment containing high-energy rotors. ↗
Subpart G — Flightcrew Interface and Other Information
5 sections
Appendices & SFARs
Related Advisory Circulars
ACs whose subject series maps to Part 23. 127 current, 139 cancelled.
- AC 20-135APowerplant Installation and Propulsion System Component Fire Protection Test Methods, Standards, and CriteriaCurrent2025-09-29↗
- AC 20-167BAirworthiness Approval of Enhanced Vision System, Enhanced Flight Vision System, and Combined Vision System EquipmentCurrent2025-09-08↗
- AC 20-197Turbine Engine and Airframe Sensor Icing ComplianceCurrent2025-06-18↗
- AC 20-146AMethodology for Dynamic Seat Certification by Analysis for Use in Parts 23, 25, 27, and 29 Airplanes and RotorcraftCurrent2024-11-29↗
- AC 20-154AGuide for Developing a Receiving Inspection System for Aircraft Parts and MaterialsCurrent2024-07-03↗
- AC 20-158BThe Certification of Aircraft Electrical and Electronic Systems for Operation in the High-Intensity Radiated Fields (HIRF) EnvironmentCurrent2024-05-20↗
- AC 20-186AAirworthiness and Operational Approval of Cockpit Voice Recorder SystemsCurrent2024-05-06↗
- AC 20-29CApproval and Use of Fuel System Icing Inhibitors (FSII)Current2024-03-27↗
- AC 20-193Use of Multi-Core ProcessorsCurrent2024-01-08↗
- AC 20-105CReciprocating Engine Power-Loss Accident Prevention and Trend MonitoringCurrent2023-12-18↗
- AC 20-109BService Difficulty Reporting System (Air Operator/Air Agency/General Aviation/Unmanned Aircraft Systems)Current2023-11-01↗
- AC 20-152ADevelopment Assurance for Airborne Electronic HardwareCurrent2022-10-07↗
- AC 20-189Management of Open Problem Reports (OPRs)Current2022-09-16↗
- AC 20-185AAirworthiness Approval of Synthetic Vision Systems, Synthetic Vision Guidance Systems and Aircraft State Awareness Synthetic Vision SystemsCurrent2021-01-27↗
- AC 20-144AFAA Approval of Electrical Firing Cartridge Components in an Aircraft Fire Extinguishing or Suppression SystemCurrent2018-10-11↗
- AC 20-162BAirworthiness Approval of Installed Radio Frequency Identification (RFID) Tags and SensorsCurrent2018-10-11↗
- AC 20-53CProtection of Aircraft Fuel Systems Against Vapor Ignition Caused by LightningCurrent2018-09-24↗
- AC 20-62EEligibility, Quality, & Identification of Aeronautical Replacement PartsCurrent2018-09-14↗
- AC 20-190Aircraft Electromagnetic Compatibility CertificationCurrent2018-06-25↗
- AC 20-115DAirborne Software Development Assurance Using EUROCAE ED-12( ) and RTCA DO-178( )Current2017-07-21↗
- AC 20-151CAirworthiness Approval of Traffic Alert and Collision Avoidance Systems (TCAS II), Versions 7.0 & 7.1 and Associated Mode S TranspondersCurrent2017-07-21↗
- AC 20-164ADesigning and Demonstrating Aircraft Tolerance to Portable Electronic DevicesCurrent2017-06-09↗
- AC 23.2010-1FAA Accepted Means of Compliance Process for 14 CFR Part 23Current2017-03-27↗
- AC 20-188Compatibility of Changes to Type Design Installed on AircraftCurrent2016-12-09↗
- AC 20-182AAirworthiness Approval for Aircraft Weather Radar SystemsCurrent2016-10-01↗
- AC 20-140CGuidelines for Design Approval of Aircraft Data Link Communication Systems Supporting Air Traffic Services (ATS)Current2016-09-28↗
- AC 20-160AOnboard Recording of Controller Pilot Data Link Communication (CPDLC) In Crash Survivable MemoryCurrent2016-09-28↗
- AC 20-153BAcceptance of Aeronautical Data Processes and Associated DatabasesCurrent2016-04-19↗
- AC 20-77BUse of Manufacturers’ Maintenance ManualsCurrent2016-01-04↗
- AC 20-149BInstallation Guidance for Domestic Flight Information Service- BroadcastCurrent2015-12-21↗
- AC 20-165BAirworthiness Approval of Automatic Dependent Surveillance - Broadcast OUT SystemsCurrent2015-12-07↗
- AC 20-184Guidance on Testing and Installation of Rechargeable Lithium Battery and Battery Systems on AircraftCurrent2015-10-15↗
- AC 20-18BQualification Testing of Turbojet and Turbofan Engine Thrust ReversersCurrent2015-07-07↗
- AC 20-172BAirworthiness Approval for ADS-B In Systems and ApplicationsCurrent2015-05-20↗
- AC 20-150BAirworthiness Approval of Satellite Voice (SATVOICE) Equipment Supporting Air Traffic Service (ATS) CommunicationCurrent2014-12-23↗
- AC 20-183Laser Airworthiness Installation GuidanceCurrent2014-12-15↗
- AC 20-166AIssue Paper ProcessCurrent2014-11-06↗
- AC 20-147ATurbojet, Turboprop, Turboshaft, and Turbofan Engine Induction System Icing and Ice IngestionCurrent2014-10-22↗
- AC 20-24DApproval of Propulsion Fuels, Additives, and Lubricating OilsCurrent2014-06-30↗
- AC 20-176AService Bulletins Related to Airworthiness Directives and Indicating FAA Approval on Service DocumentsCurrent2014-06-16↗
- AC 20-181Airworthiness Approval of Attitude Heading Reference System (AHRS) EquipmentCurrent2014-04-07↗
- AC 20-138DAirworthiness Approval of Positioning and Navigation Systems (Including Change 2)Current2014-03-28↗
- AC 20-155AIndustry Documents To Support Aircraft Lightning Protection CertificationCurrent2013-07-16↗
- AC 20-179Certification Data Retention Agreements and Government RecordsCurrent2013-06-10↗
- AC 20-180Approved Model List Supplemental Type Certificate (AML-STC)Current2013-05-14↗
- AC 20-178Flammability Testing of Aircraft Cabin Interior Panels After AlterationsCurrent2012-06-04↗
- AC 20-177Design and Installation Guidance for an Airborne System for Non-Required Telecommunication Service in Non Aeronautical Frequency BandsCurrent2012-02-28↗
- AC 20-175Controls for Flight Deck SystemsCurrent2011-12-08↗
- AC 23-17CSystems and Equipment Guide for Certification of Part 23 Airplanes and AirshipsCurrent2011-11-17↗
- AC 23.1309-1ESystem Safety Analysis and Assessment for Part 23 AirplanesCurrent2011-11-17↗
+ 216 more on the FAA index
Recent Federal Register activity
The last 25 of 370 Federal Register documents that touch 14 CFR Part 23, newest first.
- 2025-05-20RuleAccepted Means of Compliance (MOC); Airworthiness Standards: Normal Category AirplanesRead →
- 2024-05-29RuleAccepted Means of Compliance (MOC); Airworthiness Standards: Normal Category AirplanesRead →
- 2023-01-18RuleMiscellaneous Amendments; CorrectionRead →
- 2022-12-09RuleMiscellaneous AmendmentsRead →
- 2022-03-11RuleAccepted Means of Compliance; Airworthiness Standards: Normal Category AirplanesRead →
- 2020-09-22RuleAccepted Means of Compliance; Airworthiness Standards: Normal Category AirplanesRead →
- 2019-10-10RuleSpecial Conditions: Diamond Aircraft Industries of Canada Model DA-62 Airplanes; Diesel Cycle Engine InstallationRead →
- 2019-09-23RuleSpecial Conditions: Diamond Aircraft Industries of Canada Model DA-62 Airplanes; Electronic Engine Control System InstallationRead →
- 2019-08-30RuleSpecial Conditions: DAHER Aerospace Model TBM700 Airplanes; Autothrust SystemRead →
- 2019-08-15RuleSpecial Conditions: Pilatus Aircraft Ltd., Model PC-12/47E Airplanes; Electronic Engine Control System InstallationRead →
- 2019-08-15RuleSpecial Conditions: Pilatus Aircraft Ltd. Model PC-12/47E Airplanes; Autothrust SystemRead →
- 2019-04-26RuleSpecial Conditions: Costruzioni Aeronautiche Tecnam S.P.A.; Model P2012 Airplane; Installation of Rechargeable Lithium BatteriesRead →
- 2019-04-26RuleSpecial Conditions: Costruzioni Aeronautiche Tecnam S.P.A., Model P2012 Airplane; Electronic Engine Control System InstallationRead →
- 2018-12-27RuleSpecial Conditions: Innovative Solutions & Support, Inc.; Textron Aviation, Inc. Model B200-Series Airplanes; Autothrust FunctionsRead →
- 2018-10-26NPRMSpecial Conditions: Innovative Solutions & Support, Inc.; Textron Aviation, Inc. Model B200-Series Airplanes; Autothrust FunctionsRead →
- 2018-08-03RuleSpecial Conditions: Cirrus Design Corporation; Model SF50 Airplane; Installation of Rechargeable Lithium BatteriesRead →
- 2018-07-25RuleSpecial Conditions: TCW Technologies, LLC; Piper Aircraft PA-32 Series Airplanes; Installation of Rechargeable Lithium BatteriesRead →
- 2018-07-19RuleSpecial Conditions: Cranfield Aerospace Limited, Textron Aviation Inc. Model 525-Series Airplanes; Tamarack Load Alleviation System and Cranfield Winglets-Interaction of Systems and StructuresRead →
- 2018-05-11RuleAccepted Means of Compliance; Airworthiness Standards: Normal Category AirplanesRead →
- 2018-05-03RuleSpecial Conditions: St. Louis Helicopter, LLC; Textron Aviation B300, B300C, B300C (MC-12W), and B300C (UC-12W) Airplanes; Installation of Rechargeable Lithium BatteriesRead →
- 2018-03-16RuleSpecial Conditions: Honda Aircraft Company, Inc., HA-420 Airplane; Single-Place Side-Facing Lavatory Seat Dynamic TestRead →
- 2018-03-05RuleSpecial Conditions: Textron Aviation, Inc., Model C90A King Air; Installation of Electronic Engine Control SystemRead →
- 2017-08-29RuleSpecial Conditions: Game Composites Ltd., GB1 Airplane; Acrobatic Category Aerodynamic StabilityRead →
- 2017-07-17RuleSpecial Conditions: Pilatus Aircraft Ltd., PC-24, Autothrust SystemRead →
- 2017-07-17RuleSpecial Conditions: Pilatus Aircraft Ltd., PC-24; Pressure Defuel SystemRead →
+ 345 more on federalregister.gov