What does the term 'FAR' refer to in aviation?

The term 'FAR' refers to Federal Aviation Regulations. These regulations are a set of rules established by the Federal Aviation Administration (FAA) governing all aspects of civil aviation in the United States. They encompass various areas such as pilot certification, aircraft maintenance, air traffic control procedures, and operational standards for commercial and private flight operations. Understanding FAR is crucial for pilots, air traffic controllers, and anyone involved in the aviation industry, as compliance with these regulations is necessary to ensure safety and efficiency in air travel.

The other options, while potentially relevant to aviation, do not specifically define 'FAR' as recognized in the aviation community and regulatory framework. Federal Aviation Regulations represent the official and comprehensive guidelines that must be followed by those operating within U.S. airspace.