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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.
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.
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]
In the United States, pilot certification is regulated by the Federal Aviation Administration (FAA), a branch of the U.S. Department of Transportation (DOT). A pilot is certified under the authority of Parts 61 and 141 of Title 14 of the Code of Federal Regulations, also known as the Federal Aviation Regulations (FARs). [2]
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.
Apart from this annex, there are also several certification specifications, including CS-25, for large aircraft, and CS-23, for medium and small aircraft. In application, airworthiness standards include a probability of loss of aircraft (PLOA) that is designed to be controllable (PLOAdc) as an overall attribute. [5]
By writing advisory circulars, the FAA can provide guidance for compliance with airworthiness regulations, pilot certifications, operational standards, training standards, and any other rules within the 14 CFR Aeronautics and Space title, aka 14 CRF or FARs. The FAA also uses advisory circulars to officially recognize "acceptable means, but not ...