Airworthiness

Chapter Three.
Regulations
All of the functions in aircraft operations and maintenance are fully regulated. Individual nations develop their own regulatory requirements for the companies operatingwithin their respective nations. These requirements are all within the international regulatory requirements agreed to by most nations where aircraft operations are carried out under the aegis of theInternational Civil Aviation Organization (ICAO) For the United States, these regulations are codified by the Federal Aviation Administration (FAA) and are contained in the Federal AviationRegulations (FAR).
The regulations prescribe rules governing the maintenance, preventive maintenance, rebuilding, and alterations of any of the following: (1) aircraft having a U.S. airworthiness certificate,and (2) airframe, aircraft engines, propellers, appliances, and component parts of such aircraft. The rules also prescribe the manner in which all activities will be recorded and approved.Specifically, the certificate holder is responsible for the following: (1) the airworthiness of its aircraft, including airframes, aircraft engines, propellers, appliances, and parts thereof, and (2) theperformance of the maintenance, preventive maintenance, and alteration of its aircraft, in accordance with its manuals and the regulations of FAR Parts 121.361 to 121.369. These sections require that eachcertificate holder must have an organization adequate to perform the work and must organize the functions to separate the required inspection functions from the other maintenance, preventivemaintenance, and alterations functions. Separations must be below the level of administrative control at which the overall responsibility for the required inspection functions and other maintenance, preventivemaintenance, and alteration functions are exercised.
The certificate holder also must ensure that all work is performed by competent personnel in accordance with the certificate holder´s manual and...