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Initial Airworthiness and Environmental Protection
03 Feb 2026
Certification Specification (CS)
CS-MCSD Issue 2
Continuing airworthiness rules for electric- and hybrid-propulsion aircraft and other non-conventional aircraft
Certification Specification
Certification Specifications group
CS-MCSD Certification Specifications for Maintenance Certifying Staff Data
Regulation group
Initial Airworthiness and Environmental Protection
30 Sep 2025
Certification Specification (CS)
Amendment to Issue 4 of the AMC & GM to CS-23
Regular update of the Certification Specifications for Normal-Category Aeroplanes
Certification Specification
Certification Specifications group
CS-23 Normal, Utility, Aerobatic and Commuter Aeroplanes
Regulation group
Initial Airworthiness and Environmental Protection
15 Sep 2025
Certification Specification (CS)
CS-ETSO Amendment 18
Regular update of CS-ETSO
Certification Specification
Certification Specifications group
CS-ETSO European Technical Standard Orders
Regulation group
Initial Airworthiness and Environmental Protection
09 Apr 2025
Certification Specification (CS)
CS-E Amendment 8
Turbine-engine endurance and initial maintenance programme testing | Substantiation of piston-engine time between overhauls or replacements
Certification Specification
Certification Specifications group
CS-E Engines
Regulation group
Initial Airworthiness and Environmental Protection
09 Dec 2024
Certification Specification (CS)
CS-29 Amendment 12
Reduction in accidents caused by failures of critical rotor and rotor drive components through improved vibration health monitoring systems
Certification Specification
Certification Specifications group
CS-29 Large Rotorcraft
Regulation group
Initial Airworthiness and Environmental Protection
19 Dec 2023
Certification Specification (CS)
Popular
CS-25 Amendment 28
Certification Specification
Certification Specifications group
CS-25 Large Aeroplanes
Regulation group
Initial Airworthiness and Environmental Protection
19 Dec 2023
Certification Specification (CS)
DS for Part 21 Light (DS-21LD) — Issue 1
Detailed Specification
Certification Specifications group
DS-21LD Part 21 Light
Regulation group
Initial Airworthiness and Environmental Protection
18 Dec 2023
Certification Specification (CS)
CS-E Amendment 7
Regular update of CS-E
Certification Specification
Certification Specifications group
CS-E Engines
Regulation group
Initial Airworthiness and Environmental Protection
07 Mar 2023
Certification Specification (CS)
CS-23 Amendment 6 and AMC & GM to CS-23 Issue 4
Normal-Category Aeroplanes (CS-23)
Certification Specification
Certification Specifications group
CS-23 Normal, Utility, Aerobatic and Commuter Aeroplanes
Regulation group
Initial Airworthiness and Environmental Protection
07 Feb 2023
Certification Specification (CS)
CS-27 Amendment 10
Regular update of the Certification Specifications for Small Rotorcraft (CS-27)
Certification Specification
Certification Specifications group
CS-27 Small Rotorcraft
Regulation group
Initial Airworthiness and Environmental Protection
07 Feb 2023
Certification Specification (CS)
CS-29 Amendment 11
Regular update of the Certification Specifications for Large Rotorcraft (CS-29)
Certification Specification
Certification Specifications group
CS-29 Large Rotorcraft
Regulation group
Initial Airworthiness and Environmental Protection
31 Aug 2022
Certification Specification (CS)
CS-ETSO Amendment 17
Certification Specification
Certification Specifications group
CS-ETSO European Technical Standard Orders
Regulation group
Initial Airworthiness and Environmental Protection
