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Ifr atc communications9/23/2023 ![]() Flight conditions reported as equal to or greater than these VFR minimums are referred to as visual meteorological conditions (VMC).Īny aircraft operating under VFR must have the required equipment on board, as described in FAR Part 91.205 (which includes some instruments necessary for IFR flight). However, typical daytime VFR minimums for most airspace is 3 statute miles of flight visibility and a distance from clouds of 500 feet below, 1,000 feet above, and 2,000 feet horizontally. The minimum weather conditions for ceiling and visibility for VFR flights are defined in FAR Part 91.155, and vary depending on the type of airspace in which the aircraft is operating, and on whether the flight is conducted during daytime or nighttime. Thus, cloud ceiling and flight visibility are the most important variables for safe operations during all phases of flight. When flying through or above clouds, or in fog, rain, dust or similar low-level weather conditions, these references can be obscured. However, it is safe to fly VFR only when these outside references can be clearly seen from a sufficient distance. This is known as operating the aircraft under visual flight rules (VFR), and is the most common mode of operation for small aircraft. It is possible and fairly straightforward, in relatively clear weather conditions, to fly an aircraft solely by reference to outside visual cues, such as the horizon to maintain orientation, nearby buildings and terrain features for navigation, and other aircraft to maintain separation. Basic information Comparison to visual flight rules IFR flight depends upon flying by reference to instruments in the flight deck, and navigation is accomplished by reference to electronic signals." It is also a term used by pilots and controllers to indicate the type of flight plan an aircraft is flying, such as an IFR or VFR flight plan. Federal Aviation Administration's (FAA) Instrument Flying Handbook defines IFR as: "Rules and regulations established by the FAA to govern flight under conditions in which flight by outside visual reference is not safe. In aviation, instrument flight rules ( IFR) is one of two sets of regulations governing all aspects of civil aviation aircraft operations the other is visual flight rules (VFR). ![]() IFR in between cloud layers in a Cessna 172 ![]() ( Learn how and when to remove this template message) JSTOR ( September 2015) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Instrument flight rules" – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification. ![]()
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