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General Aviation

what does it mean when the rotating beacon is on during the day

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3 Answers

  1. John D Collins on Nov 29, 2014

    A rotating beacon is considered an anti collision light system. 91.209 requires that if an aircraft is equipped with an anti-collision light system, it must be turned on with an exception that the PIC may turn it off if it is in the interest of safety.

    So all it means is that the pilot is following the regulations, Common practice is to turn the lights on prior to starting the engine and keeping them on, even if the pilot or operator is just re-positioning the aircraft for maintenance or other non flight purpose.

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  2. Drew on Nov 29, 2014

    He might be talking about the airport beacon.

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  3. Jim F. on Nov 29, 2014

    If you’re referring to the airport beacon, then it “indicates that the ground visibility is less than 3 miles and/or the ceiling is less than 1,000 feet. ATC clearance in accordance with 14 CFR Part 91 is required for landing,” (AIM 2-1-10 paragraph d)

    I suggest you spend a bit more time with the FAR/AIM if something as simple as this is tripping you up…

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