Certification Specifications (CSs) / Detailed Specifications (DSs)

Displaying 1 - 20 of 207

Latest amendments/consolidated CSs
Publication date	Title	Certification Specifications / Detailed Specifications group	Regulation group
17/12/2025	Regular update of CS-MMEL CS-GEN-MMEL issue 3 Certification Specification (CS)	CS-GEN-MMEL Generic Master Minimum Equipment List		view	[pdf] CS-GEN-MMEL Issue 3
16/12/2025	Regular update of CS-MMEL CS-MMEL Issue 4 Certification Specification (CS)	CS-MMEL Master Minimum Equipment List		view	[pdf] CS-MMEL Issue 4
30/09/2025	Regular update of the Certification Specifications for Normal-Category Aeroplanes Amendment to Issue 4 of the AMC & GM to CS-23 Certification Specification (CS)	CS-23 Normal, Utility, Aerobatic and Commuter Aeroplanes	Initial Airworthiness and Environmental Protection	view	[pdf] Amendment to Issue 4 of the AMC & GM to CS-23
15/09/2025	Regular update of CS-ETSO CS-ETSO Amendment 18 Certification Specification (CS)	CS-ETSO European Technical Standard Orders	Initial Airworthiness and Environmental Protection	view	[pdf] CS-ETSO Amendment 18
27/05/2025	CS-34 Repeal of CS-34, CS-36 and CS-CO2 Certification Specification (CS)	CS-34(repealed) Aircraft Engine Emissions and Fuel Venting		view
27/05/2025	CS-36 Repeal of CS-34, CS-36 and CS-CO2 Certification Specification (CS)	CS-36(repealed) Aircraft Noise		view
27/05/2025	CS-CO2 Repeal of CS-34, CS-36 and CS-CO2 Certification Specification (CS)	CS-CO2(repealed) Certification Specifications, Acceptable Means of Compliance and Guidance Material for Aeroplane CO2 Emissions (CS-CO2)		view
19/05/2025	Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) CS-ADR–DSN Issue 7 Certification Specification (CS)	CS-ADR-DSN Aerodromes Design	Aerodromes (ADR)	view	[pdf] CS-ADR-DSN Issue 7 The file was replaced on 16/06/2025. The corrections (page 312) are highlighted in yellow.
09/04/2025	Turbine-engine endurance and initial maintenance programme testing \| Substantiation of piston-engine time between overhauls or replacements CS-E Amendment 8 Certification Specification (CS)	CS-E Engines	Initial Airworthiness and Environmental Protection	view	[pdf] CS-E Amendment 8 The file was replaced on 09/01/2026. The correction (page 121) is highlighted with yellow.
09/12/2024	‘Helicopter crash-resistant fuel systems’ and ‘Information on cargo compartment fire protection capabilities’ CS-26 Issue 5 Certification Specification (CS)	CS-26 Additional airworthiness specifications for operations	Additional Airworthiness Specifications	view
09/12/2024	Reduction in accidents caused by failures of critical rotor and rotor drive components through improved vibration health monitoring systems CS-29 Amendment 12 Certification Specification (CS)	CS-29 Large Rotorcraft	Initial Airworthiness and Environmental Protection	view
21/05/2024	CS-ACNS Issue 5 Certification Specification (CS)	CS-ACNS Airborne Communications, Navigation and Surveillance	Airspace Usage Requirements (AUR)	view	[pdf] CS-ACNS Issue 5
19/12/2023	CS-25 Amendment 28 Certification Specification (CS)	CS-25 Large Aeroplanes	Initial Airworthiness and Environmental Protection	view	[pdf] CS-25 Amendment 28 The file was replaced on 20/11/2025. The correction (page 1171) is highlighted with yellow.
19/12/2023	Flight and duty time limitations and rest requirements for commercial air transport with aeroplanes — night duties and late finish duties CS-FTL.1 — Issue 1, Amendment 1 Certification Specification (CS)	CS-FTL.1 Commercial Air Transport by Aeroplane - Scheduled and Charter Operations	Air Operations	view	[pdf] CS-FTL.1 — Issue 1, Amendment 1
19/12/2023	DS for Part 21 Light (DS-21LD) — Issue 1 Detailed Specification (DS)	DS-21LD Part 21 Light	Initial Airworthiness and Environmental Protection	view	[pdf] DS for Part 21 Light (DS-21LD) — Issue 1
18/12/2023	Regular update of CS-E CS-E Amendment 7 Certification Specification (CS)	CS-E Engines	Initial Airworthiness and Environmental Protection	view	[pdf] CS-E Amendment 7 The file was replaced on 09/01/2026. The corrections (page 104 + 119) are highlighted with yellow.
26/10/2023	Conformity assessment of ATM/ANS equipment DS-GE.CER/DEC — Issue 1 Detailed Specification (DS)	DS-GE.CER/DEC ATM/ANS equipment subject to certification or declaration of design compliance	Air Traffic Management/Air Navigation Services (ATM/ANS) — Equipment	view	[pdf] DS-GE.CER/DEC — Issue 1
26/10/2023	Conformity assessment of ATM/ANS equipment DS-GE.SoC — Issue 1 Detailed Specification (DS)	DS-GE.SoC ATM/ANS equipment subject to Statement of compliance	Air Traffic Management/Air Navigation Services (ATM/ANS) — Equipment	view	[pdf] DS-GE.SoC — Issue 1
07/03/2023	Normal-Category Aeroplanes (CS-23) CS-23 Amendment 6 and AMC & GM to CS-23 Issue 4 Certification Specification (CS)	CS-23 Normal, Utility, Aerobatic and Commuter Aeroplanes	Initial Airworthiness and Environmental Protection	view	[pdf] CS-23 Amendment 6 and AMC & GM to CS-23 Issue 4
07/02/2023	Regular update of the Certification Specifications for Small Rotorcraft (CS-27) CS-27 Amendment 10 Certification Specification (CS)	CS-27 Small Rotorcraft	Initial Airworthiness and Environmental Protection	view	[pdf] CS-27 Amendment 10 The file was replaced on 04/10/2023 (corrections on pages: 41, 48, 72, 81, 159, 182, 189, 246, 260, 279, 291 and 303 are highlighted in yellow) and on 15/09/2025 (correction page 13 highlighted in yellow).