Small Airplanes
| Amendment | Effective Date | Subject |
|---|---|---|
| Part 23(N) | 2/1/1965 | Adoption of Part 23 |
| 23-1 | 7/29/1965 | Altimeter System Requirements |
| 23-2 | 8/1/1965 | Limited Weight Credit for Airplanes Equipped with Standby Power |
| 23-3 | 11/11/1965 | One Engine Inoperative Stalls |
| 23-4 | 4/14/1967 | Performance of Lazy Eights & Chandelles in Normal Category Airplanes |
| 23-5 | 6/4/1967 | Miscellanenous Aircraft Propulsion System Design Requirements |
| 23-6 | 8/1/1967 | Altimeter System Requirements |
| 23-7 | 9/14/1969 | Small Airplane Type Certification Requirements |
| 23-8 | 2/5/1970 | Maintenance Manual Requirements |
| 23-9 | 6/17/1970 | Installation and Operating Requirements for Oxygen Equipment and Supply |
| 23-10 | 3/13/1971 | Airworthiness Standards |
| 23-11 | 8/11/1971 | Anticollision Light Standards |
| 23-12 | 11/5/1971 | Position Light Dihedral Angles |
| 23-13 | 10/23/1972 | Airplane and Rotorcraft Manuals, Markings and Placards |
| 23-14 | 12/20/1973 | Type Certification Standards |
| 23-15 | 10/31/1974 | Aircraft and Aircraft Engines - Certification Procedures and Type Certification Standards |
| 23-16 | 2/14/1975 | Form Number and Clarifying Revisions |
| 23-17 | 2/1/1977 | Airworthiness Review Program |
| 23-18 | 5/2/1977 | Airworthiness Review Program - Amendment 4: Powerplant Amendments |
| 23-19 | 7/18/1977 | Crashworthiness: Installation of Shoulder Harnesses in Small Airplanes |
| 23-20 | 9/1/1977 | Airworthiness Review Program - Amendment 5: Equipment and System Amendments |
| 23-21 | 3/1/1978 | Performance and minimum control speed |
| 23-22 | 12/4/1978 | Safety Belts and Harnesses |
| 23-23 | 12/1/1978 | Subpart D Design and Construction |
| 23-24 | 12/31/1979 | Aircraft Wheel and Brake Assemblies |
| 23-25 | 3/6/1980 | Compartment Interiors |
| 23-26 | 10/14/1980 | Landing Gear Extension and Retraction; Instructions for Continued Airworthiness; Appendix G |
| 23-27 | 11/19/1980 | Combusion Heater Fire Protection |
| Change 15 | 12/8/1980 | Special Federal Aviation Regulations (SFAR) 41 |
| 23-28 | 4/28/1982 | Appendix A, Simplified Design Load Criteria |
| Change 17 | 9/13/1982 | SFAR 41C |
| 23-29 | 3/26/1984 | Engine and Related Powerplant Installation Amendments |
| 23-30 | 3/29/1984 | Oxygen Dispensing Equipment |
| 23-31 | 12/28/1984 | Whirl Mode Instability Analysis |
| 23-32 | 12/12/1985 | Shoulder Harnesses |
| 23-33 | 8/11/1986 | Standardization of Cockpit Controls |
| 23-34 | 2/17/1987 | Commuter Category |
| 23-35 | 10/11/1988 | Cockpit Voice Records and Flight Recorders |
| 23-36 | 9/14/1988 | Emergency Landing Conditions; Personnel and Cargo Accomodations |
| 23-37 | 8/18/1990 | Appendix G |
| 23-38 | 10/16/1989 | Fatigue Evaluation |
| 23-39 | 5/2/1990 | Minor Changes to Commuter Category |
| 23-40 | 9/10/1990 | Fuel Venting and Exhaust Emission Requirements |
| 23-41 | 11/26/1990 | Electronic Display Instrument Systems |
| 23-42 | 2/4/1990 | Canard or Tandem Wing Configurations |
| 23-43 | 5/10/1993 | Small Airplane Airworthiness Review Program Amendment No. 3, (Powerplant and Equipment Standards) |
| 23-44 | 8/18/1993 | Stall Speed Gerater than 61 Knots |
| 23-45 | 9/7/1993 | Numerous changes in Subparts B, C, D, G, Appendix D, and Adds Appendix I |
| 23-46 | 6/16/1994 | Emergency Exit Provisions |
| 23-47 | 12/28/1995 | Revision of Authority Citations |
| 23-48 | 3/11/1996 | Airframe Rules Based on European Joint Aviation Requirements |
| 23-49 | 3/11/1996 | Systems and Equipment Rules Based on European Join Aviation Requirements |
| 23-50 | 3/11/1996 | Flight Rules Based on European Join Aviation Requirements |
| 23-51 | 3/11/1996 | Powerplant Rules Based on European Join Aviation Requirements |
| 23-52 | 7/25/1996 | Powerplant Instruments; Fuel Pressure Indication |
| 23-53 | 3/26/1998 | Rain and Hail Ingestion Standards |
| 23-54 | 9/13/2000 | Engine Foreign Object Ingestion Requirements for Turbine Engines |
| 23-55 | 3/3/2002 | Authority Citation Change, Deletion of SFAR 41 |
| 23-57 | 9/5/2007 | High-Intensity Radiated Fields (HIRF) Protection for Aircraft Electrical and Electronic Systems |
| 23-58 | 4/7/2008 | Revisions to Cockpit Voice Recorder and Digital Flight Data Recorder Regulations |
| 23-58 | 7/9/2009 | Revisions to Cockpit Voice Recorder and Digital Flight Data Recorder Regulations |
| 23-59 | 12/23/2008 | Airworthiness Standards; Propellers |
| 23-61 | 8/8/2011 | Airworthiness Standards; Electrical and Electronic System Lightning Protection |
| 23-62 | 1/31/2012 | Certification of Part 23 Turbofan- and Turbojet-Powered Airplanes and Miscellaneous Amendments |
| 23-63 | 3/21/2017 | Revisions to Operational Requirements for the Use of Enhanced Flight Vision Systems (EFVS) and to Pilot Compartment View Requirements for Vision Systems |
| 23-64 | 8/30/2017 | Revision of Airworthiness Standards for Normal, Utility, Acrobatic, and Commuter Category Airplanes |
| 23-65 | 12/9/2022 | Miscellaneous Amendments |
Last updated: Wednesday, June 21, 2023