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Specifically, the weather must be better than basic VFR weather minima, i.e., in visual meteorological conditions (VMC), as specified in the rules of the relevant aviation authority. The pilot must be able to operate the aircraft with visual reference to the ground, and by visually avoiding obstructions and other aircraft.
Flight under SVFR is only allowed in controlled airspace, and always requires clearance from air traffic control (ATC). [4] 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.
The weather is considered to be MVFR or IMC when it does not meet the minimum requirements for visual meteorological conditions (VMC). To operate safely in IMC ("actual instrument conditions"), a pilot controls the aircraft relying on flight instruments and ATC provides separation. [12] It is important not to confuse IFR with IMC.
Performance and weather minima generally relates to the worst conditions and lowest performance in which operations can be permitted. Performance is dependant both on weather and on the altitude of an airfield.
A pilot's view of the runway just before landing in thick fog at night. In aviation, instrument meteorological conditions (IMC) are weather conditions that require pilots to fly primarily by reference to flight instruments, and therefore under instrument flight rules (IFR), as opposed to flying by outside visual references under visual flight rules (VFR).
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Airline passengers are hitting headlines by saying they’ve been denied boarding on a flight for their fashion choices. What exactly is allowed and who is deciding the rules?
Southwest Airlines led the list of cancellations with 401 flights, followed by SkyWest at 358. "We expect some operational challenges due to the weather in the Midwest today and potentially ...