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Three different concepts of "night" are referred to in the Federal Aviation Regulations in the US. These include the periods from sunset to sunrise - used for nav lights,; the end of evening civil twilight to the beginning of morning civil twilight (this is the "standard definition of night", given in FAR Section 1.1) - used for logging night flight,
Ultralight vehicles may be operated during the twilight periods 30 minutes before official sunrise and 30 minutes after official sunset or, in Alaska, during the period of civil twilight as defined in the Air Almanac, if: The vehicle has an operating anti-collision light visible for at least 3 statute miles [1]
The act also transferred air safety regulation from the CAB to the FAA, and gave it sole responsibility for a joint civil-military system of air navigation and air traffic control. The FAA's first administrator, Elwood R. Quesada , was a former Air Force general and adviser to President Eisenhower .
Twilight occurs according to the solar elevation angle θ s, which is the position of the geometric center of the Sun relative to the horizon. There are three established and widely accepted subcategories of twilight: civil twilight (nearest the horizon), nautical twilight, and astronomical twilight (farthest from the horizon).
The Federal Aviation Administration is instituting new rest rules for U.S. air traffic controllers to address fatigue issues that may be degrading air safety.
The FAA William J. Hughes Technical Center is an aviation research and development, and test and evaluation facility. The Technical Center serves as the national scientific test base for the Federal Aviation Administration. Technical Center programs include research and development, test and evaluation, and verification and validation in air ...
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An American Airlines 737 and a Cessna 182 came within about 350 feet of each other in mid-air near the airport in Austin, Texas. FAA investigating mid-air close call in Austin, Texas Skip to main ...