How do you know which runway to use at an uncontrolled airport?

How does a pilot know which runway to use at an uncontrolled airport? The pilot determines which direction the wind is blowing and the velocity and then uses that information to choose the appropriate runway. The intent, of course is to land with as much headwind component and on the longest runway if possible.



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The most used is the Instrument Landing System or ILS. The ILS consists of two radio beams which project up from the area around the runway up into the approach path. These signals are then picked up in the aircraft by the ILS receiver which displays them on the screens in the flight deck.

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As Atlas Obscura explains, the numbers that runways have aren't arbitrary. A runway always has a number between 1 and 36, and that number isn't just the runway's nickname, but also indicates how many degrees away that runway is from magnetic north, rounded to the tens.

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Departures. VFR aircraft departing the airport should climb straight ahead on the runway heading until reaching the circuit traffic altitude before commencing a turn in any direction to an en-route heading. Turns back toward the circuit or airport should not be initiated until at least 500' above the circuit altitude.

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Advertisement. The first digit in the number uses the actual bearing and the second digit is rounded off to the nearest degrees. The last number in the degree is always dropped. Advertisement. So if a runway number is 27, it means that the direction of the runway is 270-degrees from North.

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(a) No person may operate an airplane under VFR in uncontrolled airspace when the ceiling is less than 1,000 feet unless flight visibility is at least 2 miles. (2) At night—1 mile.

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In theory, a pilot can operate in sub-VMC conditions under IFR without an ATC clearance in Class G airspace. However, to enter or operate in controlled airspace under IFR, an ATC clearance is required.

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IFR Separation Standards Under these conditions, ATC may issue traffic advisories, but it is the sole responsibility of the pilot to be vigilant so as to see and avoid other aircraft.

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For example, if the magnetic heading of a runway is 233°, it is designated Runway 23. If the magnetic heading changes downwards by 5 degrees to 228°, the runway remains Runway 23.

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A: The runway number is the approximate magnetic heading. As an example, runway 35 is pointing approximately 350 degrees magnetic. The opposite end of the runway is 17 or approximately 170 degrees magnetic.

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At night pilots will turn their gaze from outside to inside and use the artificial horizon. The artificial horizon is normally a simply globe split into two hemispheres. Using this instrument, the pilot can determine whether the aircraft is in a climb, a dive, or rolling.

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