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VFR / VMC visibility requirements in the US. In aviation, visual meteorological conditions (VMC) is an aviation flight category in which visual flight rules (VFR) flight is permitted—that is, conditions in which pilots have sufficient visibility to fly the aircraft maintaining visual separation from terrain and other aircraft.
VFR requires a pilot to be able to see outside the cockpit to control the aircraft's altitude, navigate, and avoid obstacles and other aircraft. [3] Governing agencies establish specific requirements for VFR flight, including minimum visibility, and distance from clouds, to ensure that aircraft operating under VFR are visible from enough distance to ensure safety.
The training provides the skills needed to complete flights with less than the VFR minimum requirements. In the US, all pilots who fly above 18,000 feet above mean sea level (MSL) (a lower limit of Class A airspace) must have an instrument rating, [2] and must be on an IFR flight plan. This rating requires highly specialized training by a ...
It usually happens when the aircraft is inside controlled airspace, and the local weather is less than the minimums required for flight under visual flight rules (VFR) within the airspace in question. [5] Note that an aircraft might be able to fly under SVFR even in Class A airspace, where instrument flight rules (IFR) flight is the norm. [6]
Title 14 CFR – Aeronautics and Space is one of the fifty titles that make up the United States Code of Federal Regulations (CFR). Title 14 is the principal set of rules and regulations (sometimes called administrative law) issued by the Department of Transportation and Federal Aviation Administration, federal agencies of the United States which oversee Aeronautics and Space.
Use of instrument flight rules is also required when flying in "Class A" airspace regardless of weather conditions. Class A airspace extends from 18,000 feet above mean sea level to flight level 600 (60,000 feet pressure altitude ) above the contiguous 48 United States and overlying the waters within 12 miles thereof. [ 8 ]
[2]: §4.3 It collects and analyses safety data, drafts and advises on safety legislation and co-ordinates with similar organisations in other parts of the world. [2]: §4.3 The idea of a European-level aviation safety authority goes back to 1996, but the agency was legally established only in 2002; it began its work in 2003. [2]: §4.3
The International Aviation Safety Assessment Program (IASA Program) is a program established by the U.S. Federal Aviation Administration (FAA) in 1992. The program is designed to evaluate the ability of a country's civil aviation authority or other regulatory body to adhere to international aviation safety standards and recommended practices for personnel licensing, aircraft operations and ...