 | | Section | | Title | | Amdt | | Eff Date | Current | |
|---|
 | Part 1 - DEFINITIONS AND ABBREVIATIONS |
| |
| Part 3 - GENERAL REQUIREMENTS |
| |
| Part 11 - GENERAL RULEMAKING PROCEDURES |
| |
| Part 13 - INVESTIGATIVE AND ENFORCEMENT PROCEDURES |
| |
| Part 14 - RULES IMPLEMENTING THE EQUAL ACCESS TO JUSTICE ACT OF 1980 |
| |
| Part 15 - ADMINISTRATIVE CLAIMS UNDER FEDERAL TORT CLAIMS ACT |
| |
| Part 16 - RULES OF PRACTICE FOR FEDERALLY-ASSISTED AIRPORT ENFORCEMENT PROCEEDINGS |
| |
| Part 17 - PROCEDURES FOR PROTESTS AND CONTRACTS DISPUTES |
| |
 | Part 21 - CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS |
| |
| | Sec. 21.1 | | Applicability. | | | | 02/01/1965 | | |
| | Sec. 21.1 | | Applicability. | | 21-2 | | 08/30/1965 | | |
| | Sec. 21.1 | | Applicability. | | 21-6 | | 10/08/1965 |  | |
| | Sec. 21.1 | | Applicability. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.2 | | [Falsification of applications, reports, or records.] | | 21-70 | | 12/31/1992 | | |
| | Sec. 21.2 | | Falsification of applications, reports, or records. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.3 | | [Notification of failures, malfunctions, and defects.] | | 21-29 | | 04/02/1970 | | |
| | Sec. 21.3 | | Notification of failures, malfunctions, and defects. | | 21-30 | | 07/02/1970 | | |
| | Sec. 21.3 | | Notification of failures, malfunctions, and defects. | | 21-33 | | 10/02/1970 | | |
| | Sec. 21.3 | | Notification of failures, malfunctions, and defects. | | 21-35 | | 09/28/1970 | | |
| | Sec. 21.3 | | [Reporting of failures, malfunctions, and defects.] | | 21-36 | | 11/30/1970 | | |
| | Sec. 21.3 | | Reporting of failures, malfunctions, and defects. | | 21-37 | | 12/04/1970 | | |
| | Sec. 21.3 | | Reporting of failures, malfunctions, and defects. | | 21-50 | | 09/09/1980 | | |
| | Sec. 21.3 | | Reporting of failures, malfunctions, and defects. | | 21-67 | | 10/25/1989 | | |
| | Sec. 21.3 | | Reporting of failures, malfunctions, and defects. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.4 | | [ETOPS reporting requirements.] | | 21-89 | | 02/15/2007 | | |
| | Sec. 21.5 | | [Airplane or Rotorcraft Flight Manual.] | | 21-46 | | 03/01/1978 | | |
| | Sec. 21.5 | | Airplane or Rotorcraft Flight Manual. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.6 | | Manufacture of new aircraft, aircraft engines, and propellers. | | 21-88 | | 10/02/2006 | | |
| | Sec. 21.7 | | Continued airworthiness and safety improvements for transport category
airplanes. | | 21-90 | | 12/10/2007 | | |
| | Sec. 21.8 | | [Approval of articles.] | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.9 | | [Replacement and modification articles.] | | 21-92A | | 04/16/2011 | | |
| | Sec. 21.11 | | Applicability. | | | | 02/01/1965 | | |
| | Sec. 21.13 | | Eligibility. | | | | 02/01/1965 | | |
| | Sec. 21.13 | | Eligibility. | | 21-25 | | 10/05/1969 | | |
| | Sec. 21.15 | | Application for type certificate. | | | | 02/01/1965 | | |
| | Sec. 21.15 | | Application for type certificate. | | 21-40 | | 10/31/1974 | | |
| | Sec. 21.15 | | Application for type certificate. | | 21-67 | | 10/25/1989 | | |
| | Sec. 21.15 | | Application for type certificate. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.16 | | [Special conditions.] | | 21-19 | | 01/12/1968 | | |
| | Sec. 21.16 | | Special conditions. | | 21-51 | | 10/14/1980 | | |
| | Sec. 21.16 | | Special conditions. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | | | 02/01/1965 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-16 | | 10/24/1967 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-19 | | 01/12/1968 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-24 | | 02/09/1969 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-27 | | 12/01/1969 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-42 | | 02/07/1975 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-58 | | 12/12/1985 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-60 | | 04/13/1987 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-68 | | 09/10/1990 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-69 | | 09/16/1991 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-70 | | 12/31/1992 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-90 | | 12/10/2007 | | |
| | Sec. 21.17 | | Designation of applicable regulations. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.19 | | Changes requiring a new type certificate. | | | | 02/01/1965 | | |
| | Sec. 21.19 | | Changes requiring a new type certificate. | | 21-59 | | 02/17/1987 | | |
| | Sec. 21.19 | | Changes requiring a new type certificate. | | 21-77 | | 06/10/2003 | | |
| | Sec. 21.19 | | Changes requiring a new type certificate. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.20 | | Compliance with applicable requirements. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.21 | | Issue of type certificate: normal, utility, acrobatic, and transport category
aircraft: aircraft engines: propellers | | | | 02/01/1965 | | |
| | Sec. 21.21 | | Issue of type certificate: normal, utility, acrobatic, and transport category
aircraft: aircraft engines: propellers. | | 21-15 | | 04/03/1967 | | |
| | Sec. 21.21 | | Issue of type certificate: normal, utility, acrobatic, and transport category
aircraft: aircraft engines: propellers. | | 21-19 | | 01/12/1968 | | |
| | Sec. 21.21 | | Issue of type certificate: normal, utility, acrobatic, and transport category
aircraft: aircraft engines: propellers. | | 21-27 | | 12/01/1969 | | |
| | Sec. 21.21 | | Issue of type certificate: normal, utility, acrobatic, [commuter,] and
transport category aircraft: aircraft engines: propellers. | | 21-59 | | 02/17/1987 | | |
| | Sec. 21.21 | | Issue of type certificate: normal, utility, acrobatic, commuter, and transport
category aircraft; [manned free balloons; special classes of aircraft;]
aircraft engines; propellers.
| | 21-60 | | 04/13/1987 | | |
| | Sec. 21.21 | | Issue of type certificate: normal, utility, acrobatic, commuter, and transport
category aircraft; manned free balloons; special classes of aircraft; aircraft
engines; propellers. | | 21-68 | | 09/10/1990 | | |
| | Sec. 21.21 | | Issue of type certificate: normal, utility, acrobatic, commuter, and transport
category aircraft; manned free balloons; special classes of aircraft; aircraft
engines; propellers. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.23 | | Issue of type certificate: gliders. | | | | 02/01/1965 | | |
| | Sec. 21.23 | | Issue of type certificate: gliders [(including sailplanes), including
fixed-wing, self-launching (powered) gliders.] | | 21-53 | | 01/15/1981 | | |
| | Sec. 21.23 | | [Reserved.] | | 21-60 | | 04/13/1987 | | |
| | Sec. 21.24 | | [Issuance of type certificate: primary category aircraft.] | | 21-70 | | 12/31/1992 | | |
| | Sec. 21.24 | | Issuance of type certificate: [Primary] category aircraft. | | 21-75 | | 02/23/1998 | | |
| | Sec. 21.24 | | Issuance of type certificate: [Primary] category aircraft. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.25 | | Issue of type certificate: restricted category aircraft. | | | | 02/01/1965 | | |
| | Sec. 21.25 | | Issue of type certificate: restricted category aircraft. | | 21-42 | | 02/07/1975 | | |
| | Sec. 21.25 | | Issue of type certificate: restricted category aircraft. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.27 | | Issue of type certificate: surplus aircraft of the Armed Forces. | | | | 02/01/1965 | | |
| | Sec. 21.27 | | Issue of type certificate: surplus aircraft of the Armed Forces. | | 21-59 | | 02/17/1987 | | |
| | Sec. 21.27 | | Issue of type certificate: surplus aircraft of the Armed Forces. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.29 | | Issue of type certificate: import products. | | | | 02/01/1965 | | |
| | Sec. 21.29 | | Issue of type certificate: import products. | | 21-24 | | 02/09/1969 | | |
| | Sec. 21.29 | | Issue of type certificate: import products. | | 21-25 | | 10/05/1969 | | |
| | Sec. 21.29 | | Issue of type certificate: import products. | | 21-27 | | 12/01/1969 | | |
| | Sec. 21.29 | | Issue of type certificate: import products. | | 21-68 | | 09/10/1990 | | |
| | Sec. 21.29 | | Issue of type certificate: import products. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.31 | | Type design. | | | | 02/01/1965 | | |
| | Sec. 21.31 | | Type design. | | 21-27 | | 12/01/1969 | | |
| | Sec. 21.31 | | Type design. | | 21-51 | | 10/14/1980 | | |
| | Sec. 21.31 | | Type design. | | 21-60 | | 04/13/1987 | | |
| | Sec. 21.31 | | Type design. | | 21-68 | | 09/10/1990 | | |
| | Sec. 21.31 | | Type design. | | 21-70 | | 12/31/1992 | | |
| | Sec. 21.31 | | Type design. | | 21-90 | | 12/10/2007 | | |
| | Sec. 21.31 | | Type design. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.33 | | Inspection and tests. | | | | 02/01/1965 | | |
| | Sec. 21.33 | | Inspection and tests. | | 21-17 | | 01/26/1968 | | |
| | Sec. 21.33 | | Inspection and tests. | | 21-27 | | 12/01/1969 | | |
| | Sec. 21.33 | | Inspection and tests. | | 21-44 | | 02/01/1977 | | |
| | Sec. 21.33 | | Inspection and tests. | | 21-68 | | 09/10/1990 | | |
| | Sec. 21.33 | | Inspection and tests. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.35 | | Flight tests. | | | | 02/01/1965 | | |
| | Sec. 21.35 | | Flight tests. | | 21-40 | | 10/31/1974 | | |
| | Sec. 21.35 | | Flight tests. | | 21-51 | | 10/14/1980 | | |
| | Sec. 21.35 | | Flight tests. | | 21-70 | | 12/31/1992 | | |
| | Sec. 21.35 | | Flight tests. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.37 | | Flight test pilot. | | | | 02/01/1965 | | |
| | Sec. 21.37 | | Flight test pilot. | | 21-59 | | 02/17/1987 | | |
| | Sec. 21.39 | | Flight test instrument calibration and correction report. | | | | 02/01/1965 | | |
| | Sec. 21.39 | | Flight test instrument calibration and correction report. | | 21-59 | | 02/17/1987 | | |
| | Sec. 21.39 | | Flight test instrument calibration and correction report. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.41 | | Type certificate. | | | | 02/01/1965 | | |
| | Sec. 21.41 | | Type certificate. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.43 | | Location of manufacturing facilities. | | | | 02/01/1965 | | |
| | Sec. 21.43 | | Location of manufacturing facilities. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.45 | | Privileges. | | | | 02/01/1965 | | |
| | Sec. 21.45 | | Privileges. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.47 | | Transferability. | | | | 02/01/1965 | | |
| | Sec. 21.47 | | Transferability. | | 21-67 | | 10/25/1989 | | |
| | Sec. 21.47 | | Transferability. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.49 | | Availability. | | | | 02/01/1965 | | |
| | Sec. 21.49 | | Availability. | | 21-15A | | 04/01/1967 | | |
| | Sec. 21.49 | | Availability. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.50 | | [Rotorcraft Maintenance Manual: Changes to the "Airworthiness Limitations"
Section.] | | 21-23 | | 10/17/1968 | | |
| | Sec. 21.50 | | [Instructions for Continued Airworthiness and Manufacturer's Maintenance
Manuals having Airworthiness Limitations sections.] | | 21-51 | | 10/14/1980 | | |
| | Sec. 21.50 | | Instructions for Continued Airworthiness and Manufacturer's Maintenance Manuals
having Airworthiness Limitations sections. | | 21-51A | | 12/29/1980 | | |
| | Sec. 21.50 | | Instructions for Continued Airworthiness and Manufacturer's Maintenance Manuals
having Airworthiness Limitations sections. | | 21-60 | | 04/13/1987 | | |
| | Sec. 21.50 | | Instructions for Continued Airworthiness and Manufacturer's Maintenance Manuals
having Airworthiness Limitations sections. | | 21-90 | | 12/10/2007 | | |
| | Sec. 21.50 | | Instructions for Continued Airworthiness and Manufacturer's Maintenance Manuals
having Airworthiness Limitations sections. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.51 | | Duration. | | | | 02/01/1965 | | |
| | Sec. 21.51 | | Duration. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.53 | | Statement of conformity. | | | | 02/01/1965 | | |
| | Sec. 21.53 | | Statement of conformity. | | 21-17 | | 01/26/1968 | | |
| | Sec. 21.53 | | Statement of conformity. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.55 | | Responsibility of type certificate holders to provide written licensing
agreements. | | 21-88 | | 10/02/2006 | | |
| | Sec. 21.71 | | Applicability. | | | | 02/01/1965 | | |
| | Sec. 21.73 | | Eligibility. | | | | 02/01/1965 | | |
| | Sec. 21.73 | | Eligibility. | | 21-12 | | 10/15/1966 | | |
| | Sec. 21.73 | | Eligibility. | | 21-59 | | 02/17/1987 | | |
| | Sec. 21.73 | | Eligibility. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.75 | | Application. | | | | 02/01/1965 | | |
| | Sec. 21.75 | | Application. | | 21-12 | | 10/15/1966 | | |
| | Sec. 21.75 | | Application. | | 21-67 | | 10/25/1989 | | |
| | Sec. 21.75 | | Application. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.77 | | Duration. | | | | 02/01/1965 | | |
| | Sec. 21.77 | | Duration. | | 21-7 | | 11/16/1965 | | |
| | Sec. 21.79 | | Transferability. | | | | 02/01/1965 | | |
| | Sec. 21.81 | | Requirements for issue and amendment of Class I provisional type certificates. | | | | 02/01/1965 | | |
| | Sec. 21.81 | | Requirements for issue and amendment of Class I provisional type certificates. | | 21-66 | | 08/18/1990 | | |
| | Sec. 21.81 | | Requirements for issue and amendment of Class I provisional type certificates. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.83 | | Requirements for issue and amendment of Class II provisional type certificates. | | | | 02/01/1965 | | |
| | Sec. 21.83 | | Requirements for issue and amendment of Class II provisional type certificates. | | 21-10 | | 07/06/1966 | | |
| | Sec. 21.83 | | Requirements for issue and amendment of Class II provisional type certificates. | | 21-12 | | 10/15/1966 | | |
| | Sec. 21.83 | | Requirements for issue and amendment of Class II provisional type certificates. | | 21-66 | | 08/18/1990 | | |
| | Sec. 21.83 | | Requirements for issue and amendment of Class II provisional type certificates. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.85 | | Provisional amendments to type certificates. | | | | 02/01/1965 | | |
| | Sec. 21.85 | | Provisional amendments to type certificates. | | 21-10 | | 07/06/1966 | | |
| | Sec. 21.85 | | Provisional amendments to type certificates. | | 21-12 | | 10/15/1966 | | |
| | Sec. 21.85 | | Provisional amendments to type certificates. | | 21-66 | | 08/18/1990 | | |
| | Sec. 21.85 | | Provisional amendments to type certificates. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.91 | | Applicability. | | | | 02/01/1965 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | | | 02/01/1965 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-27 | | 12/01/1969 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-42 | | 02/07/1975 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-47 | | 07/31/1978 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-56 | | 02/08/1982 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-59 | | 02/17/1987 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-61 | | 02/05/1988 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-62 | | 05/06/1988 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-63 | | 12/22/1988 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-68 | | 09/10/1990 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-70 | | 12/31/1992 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-73 | | 05/07/1996 | | |
| | Sec. 21.93 | | Classification of changes in type design. | | 21-81 | | 08/07/2002 | | |
| | Sec. 21.95 | | Approval of minor changes in type design. | | | | 02/01/1965 | | |
| | Sec. 21.95 | | Approval of minor changes in type design. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.97 | | Approval of major changes in type design. | | | | 02/01/1965 | | |
| | Sec. 21.97 | | Approval of major changes in type design. | | 21-40 | | 10/31/1974 | | |
| | Sec. 21.97 | | Approval of major changes in type design. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.99 | | Service experience changes. | | | | 02/01/1965 | | |
| | Sec. 21.99 | | [Required design changes.] | | 21-3 | | 08/13/1965 | | |
| | Sec. 21.99 | | [Required design changes.] | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | | | 02/01/1965 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | 21-16 | | 10/24/1967 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | 21-17 | | 01/26/1968 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | 21-19 | | 01/12/1968 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | 21-27 | | 12/01/1969 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | 21-42 | | 02/07/1975 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | 21-58 | | 12/12/1985 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | 21-68 | | 09/10/1990 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | 21-69 | | 09/16/1991 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | 21-77 | | 06/10/2003 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | 21-90 | | 12/10/2007 | | |
| | Sec. 21.101 | | Designation of applicable regulations. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.111 | | Applicability. | | | | 02/01/1965 | | |
| | Sec. 21.113 | | Requirement of supplemental type certificate. | | | | 02/01/1965 | | |
| | Sec. 21.113 | | Requirement of supplemental type certificate. | | 21-92 | | 04/16/2011 | | |
| | Sec. 21.115 | | Applicable airworthiness requirements. | | | | 02/01/1965 | | |
| | Sec. 21.115 | | Applicable airworthiness requirements. | | 21-17 | | 01/26/1968 | | |
| | Sec. 21.115 | | [Applicable requirements.] | | 21-42 | | 02/07/1975 | | |
| | Sec. 21.115 | | Applicable requirements. | | 21-52A | | 11/10/1980 | | |
| | Sec. 21.115 | | Applicable requirements. | | 21-61 | | 02/05/1988 | | |