The Last Day of 2021
The last day of 2021 starts off cloudy — with thunderstorms. From the East overlook at Monte Sano State Park in Huntsville, Alabama
Nikon D7200 — Nikon 18-300mm F6.3 ED VR
127mm
F8@1/30th
ISO 400
(DOL_0214)
©Don Brown 2021
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The Flick -- A term used by air traffic controllers to describe a mental model representing the current and future positions of air traffic in a section of airspace. Controllers visualize the paths of multiple aircraft in terms of position, altitude, trajectory and speed. Controllers also refer to this as "having the picture." But the picture moves -- like a movie -- hence the term “the flick.”
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