[Federal Register Volume 90, Number 96 (Tuesday, May 20, 2025)] [Rules and Regulations] [Pages 21392-21402] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 2025-08985] ======================================================================= ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 23 [Docket No. FAA-2025-0438] Accepted Means of Compliance (MOC); Airworthiness Standards: Normal Category Airplanes AGENCY: Federal Aviation Administration (FAA), Department of Transportation (DOT). ACTION: Notification of availability (NOA). ----------------------------------------------------------------------- SUMMARY: This document announces the availability of ASTM International (ASTM) consensus standards for use as an FAA-accepted MOC to the applicable airworthiness standards for normal category airplanes. The FAA accepts ASTM F3264-24, ``Standard Specification for Normal Category Aeroplanes Certification,'' with changes identified in this document. DATES: Acceptance of the means of compliance is effective on May 20, 2025. FOR FURTHER INFORMATION CONTACT: Hieu Nguyen, Federal Aviation Administration, Policy and Standards Division, AIR-600, GA, Airplanes, Rotorcraft and Emerging Aircraft Section, AIR-62B, 901 Locust Street, Room 301, Kansas City, Missouri 64106; telephone: (316) 946-4123; facsimile: (316) 946-4107; email: [email protected]. SUPPLEMENTARY INFORMATION: Background Under the provisions of the National Technology Transfer and Advancement Act of 1995 \1\ and Office of Management and Budget (OMB) Circular A-119, ``Federal Participation in the Development and Use of Voluntary Consensus Standards and in Conformity Assessment Activities,'' effective January 27, 2016, the FAA participates in the development of consensus standards for use as a means of carrying out its policy objectives where appropriate. --------------------------------------------------------------------------- \1\ Ref Public Law 104-113 as amended by Public Law 107-107. --------------------------------------------------------------------------- Consistent with the Small Airplane Revitalization Act of 2013, the FAA has been working with industry and other stakeholders through the ASTM F44 Committee on General Aviation Aircraft to develop consensus standards as a MOC in certificating small airplanes under part 23.\2\ --------------------------------------------------------------------------- \2\ Ref Public Law 113-53. --------------------------------------------------------------------------- [[Page 21393]] In part 23, amendment 23-64 (81 FR 96572), published on December 30, 2016,\3\ the final rule stated the FAA would publish an NOA of those consensus standards in the Federal Register when the Administrator accepts the consensus standards as an acceptable MOC. The FAA reviewed the published ASTM consensus standards developed by the ASTM F44 Committee on General Aviation Aircraft as the basis for a MOC to 65 sections of part 23, amendments 23-64 and 23-65. In some cases, the Administrator found sections of ASTM F3264-24, without changes, are accepted as a MOC for the airworthiness requirements of part 23, amendments 23-64 and 23-65. In other cases, the MOC, while based on ASTM consensus standards, include additional FAA provisions necessary to comply with the airworthiness requirements of part 23, amendments 23-64 and 23-65. --------------------------------------------------------------------------- \3\ See https://www.federalregister.gov/documents/2016/12/30/2016-30246/revision-of-airworthiness-standards-for-normal-utility-acrobatic-and-commuter-category-airplanes. --------------------------------------------------------------------------- Part 23, amendment 23-64, established airworthiness requirements based on the safety requirements outlined in amendment 23-63, except in areas that address loss of control and icing, where the FAA increased the safety level. Depending on the details of a design, the applicant may require use of a different MOC beyond those accepted by this NOA. For example, novel airplane designs, such as unmanned airplanes or vertical takeoff and landing airplanes, may be outside the scope of this NOA, and applicants may need to propose an alternative MOC applicable to their designs accepted under Sec. 23.2010. Means of Compliance Accepted The FAA accepts only the revisions of the standards referenced in ASTM F3264-24, ``Standard Specification for Normal Category Aeroplanes Certification,'' as a MOC for part 23, amendments 23-64 and 23-65, with the changes identified in table 1. For ease of use, table 2 was added to provide a side-by-side view, linking the applicable part 23 regulation to the ASTM F3264-24 section. This is a guidance document. Its content is not legally binding in its own right and will not be relied upon by the Department as a separate basis for affirmative enforcement action or other administrative penalty. Conformity with the guidance document is voluntary only, and nonconformity will not affect rights and obligations under existing statutes and regulations. --------------------------------------------------------------------------- \4\ The MOC are intended for traditional part 23 airplanes, not for novel designs. Novel designs require evaluation and possible modification of the MOC. \5\ Wherever ``shall'' is used within a standard, replace with ``must.'' \6\ You may find additional information on the FAA Small Airplane Issues List (SAIL) here: https://www.faa.gov/aircraft/air_cert/design_approvals/small_airplanes/small_airplanes_regs/. Table 1--Part 23 Accepted MOC Based on ASTM Consensus Standards \4\ \5\ ---------------------------------------------------------------------------------------------------------------- ASTM No. as identified in F3264- Changes required for FAA Additional Information 24 ASTM document title acceptance \4\ \5\ \6\ ---------------------------------------------------------------------------------------------------------------- F2490-20.......................... Standard Guide for None...................... Aircraft Electrical Load and Power Source Capacity Analysis. F3061/F3061M-22b.................. Standard The tables defining The tables defining Specification for applicability of applicability found in Systems and requirements in sections F3061/F3061M-22b Equipment in 4, 10, 13, and 17 are not sections 4, 10, 13, and Aircraft. accepted. Applicability 17 are not accepted. will be determined by the Applicability will be Policy and Standards determined by the Policy Division. and Standards Division. Replace 17.3.1.1 with:.... Aircraft certification (a) Each electrical or levels are as defined in electronic system that 14 CFR 23.2005. performs a function, the F3061/F3061M-22b does not failure of which would contain means for prevent the continued showing compliance to safe flight and landing Sec. 23.2310, Buoyancy of the airplane, must be for seaplanes and designed, and installed amphibians. If applying such that--. for certification of a (1) The function at the seaplane or amphibian, airplane level is not applicants may use the adversely affected during provisions of Sec. Sec. and after the time the 23.751, 23.755, and airplane is exposed to 23.757 at amendment 23- lightning; and. 63 as a means of (2) The system recovers complying with Sec. normal operation of that 23.2310 or may obtain function in a timely FAA acceptance of a manner after the airplane different MOC in is exposed to lightning accordance with Sec. unless the system's 23.2010. recovery conflicts with other operational or functional requirements of the system.. Replace 17.3.1.2 with: (b) Each electrical and electronic system that performs a function, the failure of which would significantly reduce the capability of the airplane or the ability of the flight crew to respond to an adverse operating condition, must be designed and installed such that the system recovers normal operation of that function in a timely manner after the airplane is exposed to lightning. Remove 17.3.1.3........... Replace 10.4.2, 10.4.3, 10.4.4 Level 1 with Level 4. F3062/F3062M-20................... Standard None...................... Specification for Aircraft Powerplant Installation. F3063/F3063M-21................... Standard None...................... Specification for Aircraft Fuel Storage and Delivery. F3064/F3064M-21................... Standard None...................... Specification for Aircraft Powerplant Control, Operation, and Indication. F3065/F3065M-21a.................. Standard None...................... Specification for Aircraft Propeller System Installation. [[Page 21394]] F3066/F3066M-18................... Standard None...................... Specification for Aircraft Powerplant Installation Hazard Mitigation. F3082/F3082M-22................... Standard None...................... Specification for Weights and Centers of Gravity of Aircraft. F3083/F3083M-20a.................. Standard Replace 4.1.6 with: Specification for Powerplant and ESS mounts Emergency and supporting structures Conditions, Occupant must withstand 18.0 g Safety, and forward for powerplants Accommodations. and ESS installed behind and above the seating compartment. F3093/F3093M-21................... Standard None...................... Specification for Aeroelasticity Requirements. F3114-21.......................... Standard None...................... Specification for Structures. F3115/F3115M-23................... Standard Replace 4.4.3.3 with: The If the applicant proposes Specification for residual strength to use F3115/F3115M-20 Structural evaluation must show that sections 4.3 or 6.3.2, Durability for Small the remaining structure the Policy and Standards Aeroplanes. is able to withstand the Division will be residual strength loads involved as the standard in 4.5 with the extent of is applied during detectable damage projects to review the consistent with the approach to determining results of the damage similarity (F3115/F3115M- tolerance evaluations. 20 section 4.3) and The residual strength criteria defining demonstrated for obvious damage (F3115/ inspectable damage shall F3115M-20 section be sufficiently above 6.3.2). limit loads in 4.5 and If the applicant proposes should consider variables to use F3115/F3115M-23 such as the severity of sections 4.1.3 or damage, inspection 4.3.3.2, the Policy and interval, and inspection Standards Division will method. This level of be involved as the residual strength standard is applied demonstrated should also during projects to account for material review the approach to variability, damage, determining similarity growth rate, and (F3115/F3115M-23 section environmental effects. 4.1.3) and criteria Guidance for no growth, defining obvious damage slow growth, or arrested (F3115/F3115M-23 section growth can be found in 4.3.3.2). documents X2.3 and X2.4. Replace 4.4.1.1 with: For Note: Composite structure all airplanes the methods needs to be damage described in 4.4.3. tolerant. If Delete 4.4.1.2............ impractical, safe life methods may be used. Means of compliance must reflect this. F3115-20 replace 7.1.1 with: For all airplanes the methods described in 7.3. Delete 7.1.2. F3116/F3116M-18e2................. Standard Replace 4.1.4 with: Specification for Appendix X1 through Design Loads and Appendix X4 provides, Conditions. within the limitations specified within the appendix, a simplified MOC with several of the requirements set forth in sections 4.2 to 4.26 and 7.1 to 7.9 that can be applied as one (but not the only) means to comply. If the simplified methods in Appendix X1 through X3 are used, they must be used together in their entirety. Replace X1.1.1 with: The methods provided in this appendix provide one possible means (but not the only possible means) of compliance and can only be applied to Level 1 and Level 2 low speed airplanes. Replace X2.1.1 with: The methods provided in this appendix provide one possible means (but not the only possible means) of compliance and can only be applied to Level 1 and Level 2 low speed airplanes. Replace X3.1.1 with: The methods provided in this appendix provide one possible means (but not the only possible means) of compliance and can only be applied to Level 1 and Level 2 low speed airplanes. Replace X4.1.1 with: The methods provided in this appendix provide one possible means (but not the only possible means) of compliance and can only be applied to Level 1 low speed airplanes. F3117/F3117M-23a.................. Standard None...................... Specification for Crew Interface in Aircraft. F3120/F3120M-20................... Standard None...................... Specification for Ice Protection for General Aviation Aircraft. F3173/F3173M-21a.................. Standard None...................... Specification for Aircraft Handling Characteristics. F3174/F3174M-21................... Standard None...................... Specification for Establishing Operating Limitations and Information for Aeroplanes. F3179/F3179M-22e1................. Standard None...................... Specification for Performance of Aircraft. [[Page 21395]] F3180/F3180M-21................... Standard The FAA does not Applicants may propose Specification for universally accept all elements of F3180/F3180M- Low-Speed Flight alternatives contained in 21, or other means, for Characteristics of F3180/F3180M-21. The FAA development of their Aircraft. previously accepted and project MOC to Sec. continues to accept F3180/ 23.2150 in accordance F3180M-16. with Sec. 23.2010. F3227/F3227M-22................... Standard None...................... Specification for Environmental Systems in Aircraft. F3228-21.......................... Standard Remove: Table 1........... Aircraft Type Code Specification for compliance matrix table Flight Data and found in F3228-21 is not Voice Recording in accepted. Applicability Small Aircraft. will be determined by the Policy and Standards Division. F3229/F3229M-17................... Standard Practice for Remove: Table 1........... Aircraft Type Code Static Pressure compliance matrix table System Tests in found in F3229/F3229M-17 Small Aircraft. is not accepted. Applicability will be determined by the Policy and Standards Division. F3230-21a......................... Standard Practice for Remove: Table 1........... Aircraft Type Code Safety Assessments compliance matrix table of Systems and found in F3230-21a is Equipment in Small not accepted. Aircraft. Applicability will be determined by the Policy and Standards Division. F3231/F3231M-23................... Standard Remove: Table 1........... Aircraft Type Code Specification for compliance matrix table Electrical Systems found in F3231/F3231M-23 for Aircraft with is not accepted. Combustion Engine Applicability will be Electrical Power determined by the Policy Generation. and Standards Division. F3232/F3232M-20................... Standard None...................... Specification for Flight Controls in Small Aircraft. F3233/F3233M-21................... Standard Remove: Table 1........... Aircraft Type Code Specification for compliance matrix table Flight and found in F3233/F3233M-21 Navigation is not accepted. Instrumentation in Applicability will be Aircraft. determined by the Policy and Standards Division. F3234/F3234M-21................... Standard Remove: Table 1........... Aircraft Type Code Specification for compliance matrix table Exterior Lighting in found in F3234/F3234M-21 Small Aircraft. is not accepted. Applicability will be determined by the Policy and Standards Division. F3235-22.......................... Standard Remove: Section 4.2....... If applying for Specification for Remove: Table 1........... certification of an Aircraft Storage airplane with installed Batteries. lithium batteries, applicants may use the guidance provided by RTCA DO-311A or may obtain FAA acceptance of a different MOC in accordance with Sec. 23.2010. Aircraft Type Code compliance matrix table found in F3235-22 is not accepted. Applicability will be determined by the Policy and Standards Division. F3236-21a......................... Standard Remove: Table 1........... Aircraft Type Code Specification for compliance matrix table High Intensity found in F3236-21a is Radiated Field not accepted. (HIRF) Protection in Applicability will be Small Aircraft. determined by the Policy and Standards Division. F3239-22a......................... Standard The FAA does not Applicants may propose Specification for universally accept F3239- F3239-22a for Aircraft Electric 22a. development of their MOC Propulsion Systems. for electric propulsion systems on a project-by- project basis. Any MOC proposed must receive acceptance by the FAA in accordance with Sec. 23.2010. F3254-22.......................... Standard Figures 2, 3, and 4 Other proposed Specification for Replace: ``Remote'' with: probabilities will be Aircraft Interaction ``10-\5\''. considered by the FAA on of Systems and Replace: ``Extremely a case-by-case basis. Structures. Improbable'' with: ``10- \8\'' for Level 1, 2, and 3 airplanes and with ``10- \9\'' for Level 4 airplanes.. F3309/F3309M-21................... Standard Practice for None...................... Simplified Safety Assessment of Systems and Equipment in Small Aircraft. F3316/F3316M-19................... Standard FAA does not universally Applicants may propose Specification for accept F3316/F3316M-19. F3316/F3316M-19 for Electrical Systems Remove: Table 1........... development of their MOC for Aircraft with for electrical systems Electric or Hybrid- installed on airplanes Electric Propulsion. with electric or hybrid- electric propulsion systems on a project-by- project basis. Applicants may obtain FAA acceptance of a different MOC in accordance with Sec. 23.2010. Aircraft Type Code compliance matrix table found in F3316/F3316M-19 is not accepted. Applicability will be determined by the Policy and Standards Division. F3331-18.......................... Standard Practice for None...................... Aircraft Water Loads. [[Page 21396]] F3367-21a......................... Standard Practice for Replace 5.1.1 with: Simplified Methods Systems that are part of for Addressing High- the Type Certificated Intensity Radiated Engine must be installed Fields (HIRF) and in accordance with the Indirect Effects of engine manufacturer's Lightning on requirements. The minimum Aircraft HIRF and lightning qualification in accordance with sections 8 and 9 of this ASTM practice should be met at the aircraft level, except for engine control systems in Level 1 and 2 airplanes, which should meet the following: HIRF: DO-160, section 20-R for both radiated and conducted susceptibility.. Lightning: Utilize guidance in AC 33.28- 3.. For metallic fuselage DO- 160G, section 22-A3J3L3 (shielded) and A3H3L3 (unshielded). For composite fuselage DO- 160G, section 22-B3K3L3 (shielded) and B3H3L3 (unshielded). Use of lower HIRF and lighting induced voltage and current levels may be acceptable for electronic engine control systems if substantiated at the airplane level (by test in the proposed installation or similar) when exposed to external HIRF environment per AC 20-158 (latest revision) and lightning per AC 20- 136 (latest revision); using shielding and grounding of the electronic engine control system and accessories in the given installation. F3380-19.......................... Standard Practice for None...................... Structural Compliance of Very Light Aeroplanes. F3396/F3396M-20................... Standard Practice for None...................... Aircraft Simplified Loads Criteria. F3397/F3397M-21................... Standard Practice for None...................... Aeroplane Turbine Fuel System Hot Weather Operations. F3408/F3408M-21................... Standard None...................... Specification for Aircraft Emergency Parachute Recovery Systems. F3432-20a......................... Standard Practice for None...................... Powerplant Instruments. F3498-21.......................... Standard Practice for None...................... Developing Simplified Fatigue Load Spectra. F3532-22.......................... Standard Practice for None...................... Protection of Aircraft Systems from Intentional Unauthorized Electronic Interactions. ---------------------------------------------------------------------------------------------------------------- Table 2--Side-By-Side View of Part 23 Regulations and ASTM F3264-24 Section(s) ------------------------------------------------------------------------ Part 23 amendments 23-64 and ASTM F3264-24 ASTM F3264-24 23-65 regulation(s) section(s) \7\ subsection(s) \8\ ------------------------------------------------------------------------ Subpart B--Flight ------------------------------------------------------------------------ Sec. 23.2100 Weight and 5.1 Weight/Mass 5.1.1 F3082/F3082M-22 center of gravity. and Center of Standard Gravity:. Specification for Weights and Centers of Gravity of Aircraft. 5.1.2 F3114-21 Standard Specification for Structures. Sec. 23.2105 Performance 5.2 Performance 5.2.1 F3179/F3179M- data. Data:. 22e1 Standard Specification for Performance of Aircraft. Sec. 23.2110 Stall speed.... 5.3 Stall Speed:. 5.3.1 F3179/F3179M- 22e1 Standard Specification for Performance of Aircraft. Sec. 23.2115 Takeoff 5.4 Takeoff 5.4.1 F3179/F3179M- performance. Performance:. 22e1 Standard Specification for Performance of Aircraft. Sec. 23.2120 Climb 5.5 Climb 5.5.1 F3179/F3179M- requirements. Requirements:. 22e1 Standard Specification for Performance of Aircraft. Sec. 23.2125 Climb 5.6 Climb 5.6.1 F3179/F3179M- information. Information:. 22e1 Standard Specification for Performance of Aircraft. Sec. 23.2130 Landing........ 5.7 Landing:..... 5.7.1 F3179/F3179M- 22e1 Standard Specification for Performance of Aircraft. Sec. 23.2135 Controllability 5.8 5.8.1 F3173/F3173M- Controllability:. 21a Standard Specification for Aircraft Handling Characteristics. Sec. 23.2140 Trim........... 5.9 Trim:........ 5.9.1 F3173/F3173M- 21a Standard Specification for Aircraft Handling Characteristics. Sec. 23.2145 Stability...... 5.10 Stability:.. 5.10.1 F3173/F3173M- 21a Standard Specification for Aircraft Handling Characteristics. Sec. 23.2150 Stall 5.11 Stall 5.11.1 F3180/F3180M- characteristics, stall Characteristics, 21 Standard warning, and spins. Stall Warning, Specification for and Spins:. Low-Speed Flight Characteristics of Aircraft. Sec. 23.2155 Ground and 5.12 Ground and 5.12.1 F3173/F3173M- water handling Water Handling 21a Standard characteristics. Characteristics:. Specification for Aircraft Handling Characteristics. Sec. 23.2160 Vibration, 5.13 Vibration, 5.13.1 F3173/F3173M- buffeting, and high-speed Buffeting, and 21a Standard characteristics. High-Speed Specification for Characteristics:. Aircraft Handling Characteristics. Sec. 23.2165 Performance and 5.14 Performance 5.14.1 F3120/F3120M- flight characteristics and Flight 20 Standard requirements for flight in Characteristics Specification for icing conditions. Requirements for Ice Protection for Flight in Icing General Aviation Conditions:. Aircraft. ------------------------------------------------------------------------ [[Page 21397]] Subpart C--Structures ------------------------------------------------------------------------ Sec. 23.2200 Structural 6.1 Structural 6.1.1 F3116/F3116M- design envelope. Design Envelope:. 18e2 Standard Specification for Design Loads and Conditions. 6.1.1.1 F3396/F3396M- 20 Standard Practice for Aircraft Simplified Loads. Sec. 23.2205 Interaction of 6.2 Interaction 6.2.1 F3254-22 systems and structures. of Systems and Standard Structure:. Specification for Aircraft Interaction of Systems and Structures. Sec. 23.2210 Structural 6.3 Structural 6.3.1 F3116/F3116M- design loads. Design Loads:. 18e2 Standard Specification for Design Loads and Conditions. 6.3.1.1 F3396/F3396M- 20 Standard Practice for Aircraft Simplified Loads. 6.3.2 F3408/F3408M-21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2215 Flight load 6.4 Flight Load 6.4.1 F3116/F3116M- conditions. Conditions:. 18e2 Standard Specification for Design Loads and Conditions. 6.4.1.1 F3396/F3396M- 20 Standard Practice for Aircraft Simplified Loads. Sec. 23.2220 Ground and 6.5 Ground and 6.5.1 F3116/F3116M- water load conditions. Water Load 18e2 Standard Conditions:. Specification for Design Loads and Conditions. 6.5.1.1 F3331-18 Standard Practice for Aircraft Water Loads. Sec. 23.2225 Component 6.6 Component 6.6.1 F3061/F3061M- loading conditions. Loading 22b Standard Conditions:. Specification for Systems and Equipment in Small Aircraft. 6.6.1.1 F3232/F3232M- 20 Standard Specification for Flight Controls in Small Aircraft. 6.6.2 F3116/F3116M- 18e2 Standard Specification for Design Loads and Conditions. 6.6.2.1 F3396/F3396M- 20 Standard Practice for Aircraft Simplified Loads. Sec. 23.2230 Limit and 6.7 Limit and 6.7.1 F3114-21 ultimate loads. Ultimate Loads:. Standard Specification for Structures. 6.7.2 F3408/F3408M-21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2235 Structural 6.8 Structural 6.8.1 F3114-21 strength. Strength:. Standard Specification for Structures. 6.8.2 F3408/F3408M-21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2240 Structural 6.9 Structural 6.9.1 F3061/F3061M- durability. Durability:. 22b Standard Specification for Systems and Equipment in Small Aircraft. 6.9.2 F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 6.9.3 F3115/F3115M-23 Standard Specification for Structural Durability for Small Aeroplanes. 6.9.3.1 F3380-19 Standard Practice for Structural Compliance of Very Light Aeroplanes. 6.9.3.2 F3498-21 Standard Practice for Developing Simplified Fatigue Load Spectra. 6.9.4 F3116/F3116M- 18e2 Standard Specification for Design Loads and Conditions. Sec. 23.2245 Aeroelasticity. 6.10 6.10.1 F3061/F3061M- Aeroelasticity:. 22b Standard Specification for Systems and Equipment in Small Aircraft. 6.10.2 F3093/F3093M- 21 Standard Specification for Aeroelasticity Requirement. 6.10.3 F3232/F3232M- 23a Standard Specification for Flight Controls in Small Aircraft. Sec. 23.2250 Design and 6.11 Design and 6.11.1 F3061/F3061M- construction principles. Construction 22b Standard Principles:. Specification for Systems and Equipment in Small Aircraft. 6.11.1.1 F3232/F3232M- 20 Standard Specification for Flight Controls in Small Aircraft. 6.11.2 F3114-21 Standard Specification for Structures. 6.11.2.1 F3380-19 Standard Practice for Structural Compliance of Very Light Aeroplanes. 6.11.3 F3408/F3408M- 21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2255 Protection of 6.12 Protection 6.12.1 F3061/F3061M- structure. of Structure:. 22b Standard Specification for Systems and Equipment in Small Aircraft. 6.12.1.1 F3232/F3232M- 20 Standard Specification for Flight Controls in Small Aircraft. 6.12.2 F3114-21 Standard Specification for Structures. 6.12.2.1 F3380-19 Standard Practice for Structural Compliance of Very Light Aeroplanes. 6.12.3 F3066/F3066M- 18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 6.12.4 F3408/F3408M- 21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2260 Materials and 6.13 Materials 6.13.1 F3114-21 processes. and Processes:. Standard Specification for Structures. 6.13.1.1 F3380-19 Standard Practice for Structural Compliance of Very Light Aeroplanes. 6.13.2 F3408/F3408M- 21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2265 Special factors 6.14 Special 6.14.1 F3061/F3061M- of safety. Factors of 22b Standard Safety:. Specification for Systems and Equipment in Small Aircraft. 6.14.2 F3114-21 Standard Specification for Structures. 6.14.2.1 F3380-19 Standard Practice for Structural Compliance of Very Light Aeroplanes. Sec. 23.2270 Emergency 6.15 Emergency 6.15.1 F3061/F3061M- conditions. Conditions:. 22b Standard Specification for Systems and Equipment in Small Aircraft. [[Page 21398]] 6.15.1.1 F3232/F3232M- 20 Standard Specification for Flight Controls in Small Aircraft. 6.15.2 F3083/F3083M- 20a Standard Specification for Emergency Conditions, Occupant Safety and Accommodations. 6.15.3 F3408/F3408M- 21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. ------------------------------------------------------------------------ Subpart D--Design and Construction ------------------------------------------------------------------------ Sec. 23.2300 Flight control 7.1 Flight 7.1.1 F3061/F3061M- systems. Control Systems:. 22b Standard Specification for Systems and Equipment in Small Aircraft. 7.1.1.1 F3232/F3232M- 20 Standard Specification for Flight Controls in Small Aircraft. 7.1.2 F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 7.1.3 F3117/F3117M- 23a Standard Specification for Crew Interface. Sec. 23.2305 Landing gear 7.2 Landing Gear 7.2.1 F3061/F3061M- systems. Systems:. 22b Standard Specification for Systems and Equipment in Small Aircraft. Sec. 23.2310 Buoyancy for 7.3 Buoyancy for 7.3.1 F3061/F3061M- seaplanes and amphibians. Seaplanes and 22b Standard Amphibians:. Specification for Systems and Equipment in Small Aircraft. Sec. 23.2315 Means of egress 7.4 Means of 7.4.1 F3061/F3061M- and emergency exits. Egress and 22b Standard Emergency Exits:. Specification for Systems and Equipment in Small Aircraft. 7.4.2 F3083/F3083M- 20a Standard Specification for Emergency Conditions, Occupant Safety and Accommodations. Sec. 23.2320 Occupant 7.5 Occupant 7.5.1 F3061/F3061M- physical environment. Physical 22b Standard Environment:. Specification for Systems and Equipment in Small Aircraft. 7.5.1.1 F3227/F3227M- 22 Standard Specification for Environmental Systems in Small Aircraft. 7.5.2 F3083/F3083M- 20a Standard Specification for Emergency Conditions, Occupant Safety and Accommodations. 7.5.3 F3114-21 Standard Specification for Structures. 7.5.4 F3117/F3117M- 23a Standard Specification for Crew Interface in Aircraft. Sec. 23.2325 Fire protection 7.6 Fire 7.6.1 F3061/F3061M- Protection:. 22b Standard Specification for Systems and Equipment in Small Aircraft. 7.6.1.1 F3231/F3231M- 23 Standard Specification for Electrical Systems for Aircraft with Combustion Engine Electrical Power Generation. 7.6.1.2 F3234/F3234M- 21 Standard Specification for Exterior Lighting in Small Aircraft. 7.6.1.3 F3316/F3316M- 19 Standard Specification for Electrical Systems for Aircraft with Electric or Hybrid- Electric Propulsion. 7.6.2 F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 7.6.3 F3083/F3083M- 20a Standard Specification for Emergency Conditions, Occupant Safety and Accommodations. 7.6.4 F3408/F3408M-21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2330 Fire protection 7.7 Fire 7.7.1 F3061/F3061M- in designated fire zones and Protection in 22b Standard adjacent areas. Designated Fire Specification for Zones and Systems and Adjacent Areas:. Equipment in Small Aircraft. 7.7.1.1 F3231/F3231M- 23 Standard Specification for Electrical Systems for Aircraft with Combustion Engine Electrical Power Generation. 7.7.2 F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 7.7.3 F3114-21 Standard Specification for Structures. Sec. 23.2335 Lightning 7.8 Lightning 7.8.1 F3061/F3061M- protection. Protection:. 22b Standard Specification for Systems and Equipment in Small Aircraft. ------------------------------------------------------------------------ Subpart E--Powerplant ------------------------------------------------------------------------ Sec. 23.2400 Powerplant 8.1 Powerplant 8.1.1 F3062/F3062M-20 installation. Installation:. Standard Specification for Aircraft Powerplant Installation. 8.1.2 F3063/F3063M-21 Standard Specification for Aircraft Fuel and Energy Storage and Delivery. 8.1.3 F3064/F3064M-21 Standard Specification for Aircraft Powerplant Control, Operation, and Indication. 8.1.3.1 F3432-20a Standard Practice for Powerplant Instruments. 8.1.4 F3065/F3065M- 21a Standard Specification for Aircraft Propeller System Installation. 8.1.5 F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 8.1.6 F3239-22a Standard Specification for Aircraft Electric Propulsion Systems. Sec. 23.2405 Automatic power 8.2 Power or 8.2.1 F3062/F3062M-20 or thrust control systems. Thrust Control Standard Systems:. Specification for Aircraft Powerplant Installation. 8.2.2 F3064/F3064M-21 Standard Specification for Aircraft Powerplant Control, Operation, and Indication. 8.2.2.1 F3432-20a Standard Practice for Powerplant Instruments. 8.2.3 F3065/F3065M- 21a Standard Specification for Aircraft Propeller System Installation. 8.2.4 F3117/F3117M- 23a Standard Specification for Crew Interface. Sec. 23.2410 Powerplant 8.3 Powerplant 8.3.1 F3061/F3061M- installation hazard Installation 22b Standard assessment. Hazard Specification for Assessment:. Systems and Equipment in Small Aircraft. [[Page 21399]] 8.3.2 F3062/F3062M-20 Standard Specification for Aircraft Powerplant Installation. 8.3.3 F3063/F3063M-21 Standard Specification for Aircraft Fuel and Energy Storage and Delivery. 8.3.4 F3064/F3064M-21 Standard Specification for Aircraft Powerplant Control, Operation, and Indication. 8.3.4.1 F3432-20a Standard Practice for Powerplant Instruments. 8.3.5 F3065/F3065M- 21a Standard Specification for Aircraft Propeller System Installation. 8.3.6 F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 8.3.7 F3117/F3117M- 23a Standard Specification for Crew Interface in Aircraft. 8.3.8 F3239-22a Standard Specification for Aircraft Electric Propulsion Systems. Sec. 23.2415 Powerplant ice 8.4 Powerplant 8.4.1 F3062/F3062M-20 protection. Installation Ice Standard Protection:. Specification for Aircraft Powerplant Installation. 8.4.2 F3063/F3063M-21 Standard Specification for Aircraft Fuel and Energy Storage and Delivery. 8.4.3 F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 8.4.4 F3239-22a Standard Specification for Aircraft Electric Propulsion Systems. Sec. 23.2420 Reversing 8.5 Reversing 8.5.1 F3062/F3062M-20 systems. Systems:. Standard Specification for Aircraft Powerplant Installation. 8.5.2 F3065/F3065M- 21a Standard Specification for Aircraft Propeller System Installation. 8.5.3 F3239-22a Standard Specification for Aircraft Electric Propulsion Systems. Sec. 23.2425 Powerplant 8.6 Powerplant 8.6.1 F3062/F3062M-20 operational characteristics. Operational Standard Characteristics:. Specification for Aircraft Powerplant Installation. 8.6.2 F3064/F3064M-21 Standard Specification for Aircraft Powerplant Control, Operation, and Indication. 8.6.2.1 F3432-20a Standard Practice for Powerplant Instruments. 8.6.3 F3065/F3065M- 21a Standard Specification for Aircraft Propeller System Installation. 8.6.4 F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 8.6.5 F3117/F3117M- 23a Standard Specification for Crew Interface in Aircraft. 8.6.6 F3239-22a Standard Specification for Aircraft Electric Propulsion Systems. Sec. 23.2430 Fuel systems... 8.7 Fuel and 8.7.1 F3062/F3062M-20 Energy Storage Standard and Distribution Specification for Systems:. Aircraft Powerplant Installation. 8.7.2 F3063/F3063M-21 Standard Specification for Aircraft Fuel and Energy Storage and Delivery. 8.7.2.1 F3397/F3397M- 21 Standard Practice for Aeroplane Turbine Fuel System Hot Weather Operations. 8.7.3 F3064/F3064M-21 Standard Specification for Aircraft Powerplant Control, Operation, and Indication. 8.7.3.1 F3432-20a Standard Practice for Powerplant Instruments. 8.7.4 F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 8.7.5 F3114-21 Standard Specification for Structures. 8.7.6 F3239-22a Standard Specification for Aircraft Electric Propulsion Systems. Sec. 23.2435 Powerplant 8.8 Powerplant 8.8.1 F3062/F3062M-20 induction and exhaust systems. Induction, Standard Exhaust, and Specification for Support Systems:. Aircraft Powerplant Installation. 8.8.2 F3239-22a Standard Specification for Aircraft Electric Propulsion Systems. Sec. 23.2440 Powerplant fire 8.9 Powerplant 8.9.1 F3061/F3061M- protection. Installation 22b Standard Fire Protection:. Specification for Systems and Equipment in Small Aircraft. 8.9.2 F3062/F3062M-20 Standard Specification for Aircraft Powerplant Installation. 8.9.3 F3063/F3063M-21 Standard Specification for Aircraft Fuel an Energy Storage and Delivery. 8.9.4 F3064/F3064M-21 Standard Specification for Aircraft Powerplant Control, Operation, and Indication. 8.9.4.1 F3432-20a Standard Practice for Powerplant Instruments. 8.9.5 F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 8.9.6 F3239-22a Standard Specification for Aircraft Electric Propulsion Systems. ------------------------------------------------------------------------ Subpart F--Equipment ------------------------------------------------------------------------ Sec. 23.2500 Airplane level 9.1 Systems and 9.1.1 F3061/F3061M- systems requirements. Equipment 22b Standard Function--Requir Specification for ements:. Systems and Equipment in Small Aircraft. 9.1.1.1 F3231/F3231M- 23 Standard Specification for Electrical Systems for Aircraft with Combustion Engine Electrical Power Generation. 9.1.1.1(a) F3235-22 Standard Specification for Aircraft Storage Batteries. 9.1.1.2 F3232/F3232M- 20 Standard Specification for Flight Controls in Small Aircraft. [[Page 21400]] 9.1.1.3 F3233/F3233M- 21 Standard Specification for Flight and Navigation Instrumentation in Aircraft. 9.1.1.3(a) F3229/ F3229M-17 Standard Practice for Static Pressure System Tests in Small Aircraft. 9.1.1.4 F3316/F3316M- 19 Standard Specification for Electrical Systems for Aircraft with Electric or Hybrid- Electric Propulsion. 9.1.2 F3064/F3064M-21 Standard Specification for Aircraft Powerplant Control, Operation, and Indication. 9.1.2.1 F3432-20a Standard Practice for Powerplant Instruments. 9.1.3 F3066/F3066M-18 Standard Specification for Aircraft Powerplant Installation Hazard Mitigation. 9.1.4 F3117/F3117M- 23a Standard Specification for Crew Interface in Aircraft. 9.1.5 F3120/F3120M-20 Standard Specification for Ice Protection for General Aviation Aircraft. 9.1.6 F3408/F3408M-21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2505 Function and 9.2 Equipment 9.2.1 F3061/F3061M- installation. Function and 22b Standard Installation Specification for Requirements:. Systems and Equipment in Small Aircraft. 9.2.1.1 F3231/F3231M- 23 Standard Specification for Electrical Systems for Aircraft with Combustion Engine Electrical Power Generation. 9.2.1.1(a) F3235-22 Standard Specification for Aircraft Storage Batteries. 9.2.1.2 F3232/F3232M- 20 Standard Specification for Flight Controls in Small Aircraft. 9.2.1.3 F3233/F3233M- 21 Standard Specification for Flight and Navigation Instrumentation in Aircraft. 9.2.1.4 F3316/F3316M- 19 Standard Specification for Electrical Systems for Aircraft with Electric or Hybrid- Electric Propulsion. 9.2.2 F3408/F3408M-21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. 9.2.3 F3117/F3117M- 23a Standard Specification for Crew Interface in Aircraft. Sec. 23.2510 Equipment, 9.3 Equipment, 9.3.1 F3061/F3061M- systems, and installations. Systems, and 22b Standard Installation:. Specification for Systems and Equipment in Small Aircraft. 9.3.1.1 F3230-21a Standard Practice for Safety Assessments of Systems and Equipment in Small Aircraft. 9.3.1.2 F3233/F3233M- 21 Standard Specification for Flight and Navigation Instrumentation in Aircraft. 9.3.1.3 F3227/F3227M- 22 Standard Specification for Environmental Systems in Small Aircraft. 9.3.1.4 F3309/F3309M- 21 Standard Practice for Simplified Safety Assessment of Systems and Equipment in Small Aircraft. 9.3.1.5 F3532-22 Standard Practice for Protection of Aircraft Systems from Intentional Unauthorized Electronic Interactions. 9.3.2 F3408/F3408M-21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2515 Electrical and 9.4 Electrical 9.4.1 F3061/F3061M- electronic system lightning and Electronic 22b Standard protection. System Lightning Specification for Protection:. Systems and Equipment in Small Aircraft. 9.4.1.1 F3367-21a Standard Practice for Simplified Methods for Addressing High- Intensity Radiated Fields (HIRF) and Indirect Effects of Lightning on Aircraft. Sec. 23.2520 High-intensity 9.5 High 9.5.1 F3061/F3061M- Radiated Fields (HIRF) Intensity 22b Standard protection. Radiated Fields Specification for (HIRF) Systems and Protection:. Equipment in Small Aircraft. 9.5.1.1 F3236-21a Standard Specification for High Intensity Radiated Field (HIRF) Protection in Small Aircraft. 9.5.1.2 F3367-21a Standard Practice for Simplified Methods for Addressing High- Intensity Radiated Fields (HIRF) and Indirect Effects of Lightning on Aircraft. Sec. 23.2525 System power 9.6 System Power 9.6.1 F3061/F3061M- generation, storage, and Generation, 22b Standard distribution. Storage, and Specification for Distribution:. Systems and Equipment in Small Aircraft. 9.6.1.1 F3231/F3231M- 23 Standard Specification for Electrical Systems for Aircraft with Combustion Engine Electrical Power Generation. 9.6.1.1(a) F2490-20 Standard Guide for Aircraft Electrical Load and Power Source Capacity Analysis. 9.6.1.2 F3233/F3233M- 21 Standard Specification for Flight and Navigation Instrumentation in Aircraft. 9.6.1.3 F3316/F3316M- 19 Standard Specification for Electrical Systems for Aircraft with Electric or Hybrid- Electric Propulsion. 9.6.1.3(a) F2490-20 Standard Guide for Aircraft Electrical Load and Power Source Capacity Analysis. 9.6.2 F3117/F3117M- 23a Standard Specification for Crew Interface in Aircraft. 9.6.3 F3120/F3120M-20 Standard Specification for Ice Protection for General Aviation Aircraft. Sec. 23.2530 External and 9.7 External and 9.7.1 F3061/F3061M- cockpit lighting. Cockpit 22b Standard Lighting:. Specification for Systems and Equipment in Small Aircraft. 9.7.1.1 F3233/F3233M- 21 Standard Specification for Flight and Navigation Instrumentation in Aircraft. 9.7.1.2 F3234/F3234M- 21 Standard Specification for Exterior Lighting in Small Aircraft. 9.7.2 F3117/F3117M- 23a Standard Specification for Crew Interface in Aircraft. 9.7.3 F3120/F3120M-20 Standard Specification for Ice Protection for General Aviation Aircraft. [[Page 21401]] Sec. 23.2535 Safety 9.8 Safety 9.8.1 F3061/F3061M- equipment. Equipment:. 22b Standard Specification for Systems and Equipment in Small Aircraft. 9.8.2 F3083/F3083M- 20a Standard Specification for Emergency Conditions, Occupant Safety and Accommodations. 9.8.3 F3117/F3117M- 23a Standard Specification for Crew Interface. Sec. 23.2540 Flight in icing 9.9 Flight in 9.9.1 F3061/F3061M- conditions. Icing 22b Standard Conditions:. Specification for Systems and Equipment in Small Aircraft. 9.9.1.1 F3233/F3233M- 21 Standard Specification for Flight and Navigation Instrumentation in Aircraft. 9.9.2 F3120/F3120M-20 Standard Specification for Ice Protection for General Aviation Aircraft. Sec. 23.2545 Pressurized 9.10 Pressurized 9.10.1 F3061/F3061M- systems elements. System Elements:. 22b Standard Specification for Systems and Equipment in Small Aircraft. 9.10.1.1 F3229/F3229M- 17 Standard Practice for Static Pressure System Tests in Small Aircraft. Sec. 23.2550 Equipment 9.11 Equipment 9.11.1 F3061/F3061M- containing high-energy rotors. Containing High- 22b Standard Energy Rotors:. Specification for Systems and Equipment in Small Aircraft. ------------------------------------------------------------------------ Subpart G--Flight Crew Interface and Other Information ------------------------------------------------------------------------ Sec. 23.2600 Flightcrew 10.1 Flight crew 10.1.1 F3061/F3061M- interface. Compartment 22b Standard Interface:. Specification for Systems and Equipment in Small Aircraft. 10.1.1.1 F3232/F3232M- 20 Standard Specification for Flight Controls in Small Aircraft. 10.1.2 F3062/F3062M- 20 Standard Specification for Aircraft Powerplant Installation. 10.1.3 F3063/F3063M- 21 Standard Specification for Aircraft Fuel and Energy Storage and Delivery. 10.1.4 F3064/F3064M- 21 Standard Specification for Aircraft Powerplant Control, Operation, and Indication. 10.1.4.1 F3432-20a Standard Practice for Powerplant Instruments. 10.1.5 F3114-21 Standard Specification for Structures. 10.1.6 F3117/F3117M- 23a Standard Specification for Crew Interface in Aircraft. 10.1.7 F3408/F3408M- 21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2605 Installation 10.2 Installation 10.2.1 F3061/F3061M- and operation. and Operation 22b Standard Information:. Specification for Systems and Equipment in Small Aircraft. 10.2.1.1 F3227/F3227M- 22 Standard Specification for Environmental Systems in Small Aircraft. 10.2.1.2 F3231/F3231M- 23 Standard Specification for Electrical Systems for Aircraft with Combustion Engine Electrical Power Generation. 10.2.1.3 F3232/F3232M- 20 Standard Specification for Flight Controls in Small Aircraft. 10.2.1.4 F3233/F3233M- 21 Standard Specification for Flight and Navigation Instrumentation in Aircraft. 10.2.2 F3062/F3062M- 20 Standard Specification for Aircraft Powerplant Installation. 10.2.3 F3063/F3063M- 21 Standard Specification for Aircraft Fuel and Energy Storage and Delivery. 10.2.4 F3064/F3064M- 21 Standard Specification for Aircraft Powerplant Control, Operation, and Indication. 10.2.4.1 F3432-20a Standard Practice for Powerplant Instruments. 10.2.5 F3117/F3117M- 23a Standard Specification for Crew Interface in Aircraft. 10.2.6 F3120/F3120M- 20 Standard Specification for Ice Protection for General Aviation Aircraft. 10.2.7 F3408/F3408M- 21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2610 Instrument 10.3 Instrument 10.3.1 F3061/F3061M- markings, control markings, Markings, 22b Standard and placards. Control Specification for Markings, and Systems and Placards:. Equipment in Small Aircraft. 10.3.2 F3063/F3063M- 21 Standard Specification for Aircraft Fuel and Energy Storage and Delivery. 10.3.3 F3117/F3117M- 23a Standard Specification for Crew Interface in Aircraft. 10.3.4 F3120/F3120M- 20 Standard Specification for Ice Protection for General Aviation Aircraft. 10.3.5 F3408/F3408M- 21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. Sec. 23.2615 Flight, 10.4 Flight, 10.4.1 F3061/F3061M- navigation, and powerplant Navigation, and 22b Standard instruments. Powerplant Specification for Instruments:. Systems and Equipment in Small Aircraft. 10.4.2 F3062/F3062M- 20 Standard Specification for Aircraft Powerplant Installation. 10.4.3 F3064/F3064M- 21 Standard Specification for Aircraft Powerplant Control, Operation, and Indication. 10.4.3.1 F3432-20a Standard Practice for Powerplant Instruments. 10.4.4 F3117/F3117M- 23a Standard Specification for Crew Interface in Aircraft. Sec. 23.2620 Airplane flight 5.15 Operating 5.15.1 F3174/F3174M- manual. Limitations:. 21 Standard Specification for Establishing Operating Limitations and Information for Aeroplanes. 5.15.2 F3408/F3408M- 21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. 10.5 Airplane 10.5.1 F3117/F3117M- Flight Manual:. 23a Standard Specification for Crew Interface in Aircraft. 10.5.2 F3174/F3174M- 21 Standard Specification for Establishing Operating Limitations and Information for Aeroplanes. [[Page 21402]] 10.5.3 F3120/F3120M- 20 Standard Specification for Ice Protection for General Aviation Aircraft. 10.5.4 F3408/F3408M- 21 Standard Specification for Aircraft Emergency Parachute Recovery Systems. ------------------------------------------------------------------------ \7\ The ASTM F3264-24 section(s) provides a means of compliance intended to be used on projects for traditional part 23 airplanes, not for novel designs. Novel designs require evaluation and possible modification of the means of compliance. \8\ Changes required for FAA acceptance and additional information per table 1 still apply to table 2. The FAA does not accept the Aircraft Type Code compliance matrix tables included in F3228-21, F3229/F3229M- 17, F3230-21a, F3231/F3231M-23, F3233/F3233M-21, F3234/F3234M-21, F3235-22, F3236-21a, and F3316/F3316M-19. The tables defining applicability found in F3061/F3061M-22b sections 4, 10, 13, and 17 are not accepted. Applicability will be determined by the Policy and Standards Division. The MOC accepted by this NOA provide one means, but not the only means, of complying with part 23 regulatory requirements. Applicants who desire to use a MOC reflected by other revisions to ASTM standards not previously accepted may seek guidance and possible acceptance from the FAA for the use of those MOC on a case-by-case basis. Applicants may propose an alternative MOC for FAA review and possible acceptance. Editorial, Reapproval, Revision, or Withdrawal ASTM policy states that a consensus standard should be reviewed in its entirety by the responsible subcommittee and must be balloted for reapproval, revision, or withdrawal within five years of its last approval date. When an ASTM standard is reapproved, that reapproval is denoted by the year in parentheses (e.g., F2427-05a (2013)). This date indicates the completion of a review cycle with no technical changes made to the standard. In addition, ASTM issues editorial changes denoted by a superscript epsilon in the standard designation (e.g., F3235-17[epsi]1). This epsilon indicates information was corrected, and it did not change the meaning or intent of a standard. Since reapprovals and editorial changes do not change the technical content of standards, then any standard FAA-accepted by this NOA that is later reapproved or editorially changed by ASTM, is also considered FAA- accepted and without the need for an updated NOA. ASTM revises a standard to make changes to its technical content. Revisions are identified by a hyphen after the document number, which is followed by the last two numbers of the year of acceptance or of last revision. If the standard is revised again during the same year, this is indicated by adding an ``a'' for the second revision, ``b'' for the third revision, and so on for each revision. Since revisions change the technical content, revisions to consensus standards that are the basis for a MOC accepted by this NOA will not be automatically accepted, and will require further FAA acceptance for the revisions to be an accepted MOC. Availability ASTM F3264-24, ``Standard Specification for Normal Category Aeroplanes Certification,'' is available online at https://www.astm.org/READINGLIBRARY/. ASTM copyrights these consensus standards and charges the public a fee for service. Individual downloads or reprints of a standard (single or multiple copies, special compilations, and other related technical information), as well as information regarding membership, ASTM offices abroad, or Committee F44 on General Aviation Aircraft, may be obtained online or by contacting ASTM by telephone: (610) 832-9585; facsimile: (610) 832-9555; or through email: [email protected]. Issued in Kansas City, Missouri, on May 12, 2025. Sheila I. Mariano, Acting Manager, Technical Policy Branch, Policy and Standards Division, Aircraft Certification Service. [FR Doc. 2025-08985 Filed 5-19-25; 8:45 am] BILLING CODE 4910-13-P