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The turn (symbol tr or pla) is a unit of plane angle measurement that is the measure of a complete angle—the angle subtended by a complete circle at its center. One turn is equal to 2π radians, 360 degrees or 400 gradians. As an angular unit, one turn also corresponds to one cycle (symbol cyc or c) [1] or to one revolution (symbol rev or r). [2]
In the turn coordinator, the gyro is canted 30 degrees from the horizontal so it responds to roll as well as yaw. The display contains hash marks for the pilot's reference during a turn. When the needle is lined up with a hash mark, the aircraft is performing a "standard rate turn" which is defined as three degrees per second, known in some ...
Standard rate turn is a standardized rate at which the aircraft will make a 360 degree turn in two minutes (120 seconds). Standard rate turn is indicated on turn coordinator or turn-slip indicator. All turns during flights under instrument rules shall be made at standard turn rate, but no more than 30 degrees of bank.
A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle in which one full rotation is 360 degrees. [4] It is not an SI unit—the SI unit of angular measure is the radian—but it is mentioned in the SI brochure as an accepted unit. [5]
These directions are expressed in degrees from 0–360°, and also fractions of a degree. The differences between these two directions at any point on the globe is magnetic variation (also known as magnetic declination , but for the purposes of the mnemonic, the term 'variation' is preferred).
The controlled detour at 37,000ft west of the Faroe Islands took just less than 10 minutes and occurred shortly after 8.30pm on Monday.
Traffic sign recognition (TSR) systems can recognize common traffic signs, such as a “stop” sign or a “turn ahead” sign, through image processing techniques. [54] This system takes into account the sign's shape, such as hexagons and rectangles, and the color to classify what the sign is communicating to the driver. [54]
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