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EASA CS-25 is the European Union Aviation Safety Agency Certification Specification for Large Aeroplanes. This certification procedure applies to large, turbine-powered aircraft, with max take-off weight more than 5,700kg (CS 25.1). It describes the minimum requirements that must be met for the certification of an aircraft in this class.
This revision also harmonizes with international airworthiness regulations such as European Union Aviation Safety Agency (EASA) CS–25.1309. ARP4754 Revision B is an interim release meant to expedite consistency with ARP4761 Revision A, "Safety Assessment Process", which was also released in December 2023.
EASA is responsible for new type certificates and other design-related airworthiness approvals for aircraft, engines, propellers and parts. EASA works with the EU member states' civil aviation authorities (CAAs) but has taken over many of their functions in the interest of aviation standardisation across the EU and in the non-EU member Turkey. [12]
Similar standards are maintained by other aviation authorities. For example European Technical Standard Orders (ETSO) by EASA for the European Union, [3] with limited reciprocal equivalence on a per-country basis. [4] These often have the same numbers as FAA TSOs. For example, the FAA TSO for aviation headsets is C139.
In conjunction with ARP4754, ARP4761 is used to demonstrate compliance with 14 CFR 25.1309 in the U.S. Federal Aviation Administration (FAA) airworthiness regulations for transport category aircraft, and also harmonized international airworthiness regulations such as European Aviation Safety Agency (EASA) CS–25.1309.
Download as PDF; Printable version; In other projects ... Aviation regulations; Aviation System Performance Metrics; B. ... EASA CS-25; EASA CS-VLA;
Aircraft manufacturers divide the airframe into zones to support airworthiness regulations, the design process, and to plan and facilitate maintenance. The commonly used aviation standard ATA iSpec 2200 , which replaced ATA Spec 100 , contains guidelines for determining airplane zones and their numbering.
The European Aviation Safety Agency (EASA) was created in 2003 and reached full functionality in 2008, and has since taken over most of the JAA functions. JAA Certification Specifications, formerly known as JARs, are recognised by EASA as an acceptable basis for showing compliance with their national airworthiness codes.