![]() ![]() For example, a runway with a compass heading of 084 will be named runway 8, and so will that of heading 260 be runway 26, and so on. However, only the first two digits within a compass reading of 0 to 360 degrees are taken into account in the nomenclature. On the other hand, the numbering system of runways employs their magnetic compass heading. Why? Your guess is as good as mine – to avoid confusion with runway nomenclature that employs numeric and at the same time, prevent the interpretation of the runway or taxiway as closed. However, just as you won’t see vehicle number plates with the letters “O and I,” the same letters together with the letter “X” are excluded from the nomenclature of taxiways. Therefore, alphanumeric identifiers such as “A2, R6, and P8” are adopted to make up for the many taxiways.Įqually, double alphabet letters of the same kind such as “CC, FF, KK, and ZZ” are employed as complementary options to the alphanumeric identifiers of taxiways. Imagine large airports that have so many different taxiways that if all named, wouldn’t fit within the A to Z alphabet. However, you’ll notice that the sign “B1” takes a slightly different trajectory from the naming convention just explained. Having been to an airport before, I am sure you have come across some signs labeled “23, 17, A, B, or B1.” Well, there are different meanings attached to each of these but generally, numerical and alphabetic designations are linked to runways and taxiways respectively.įor example, from our abstract signs identified earlier, the signs “23 and 17” would be alluding to runways and so will “A, B, or B1” refer to taxiways. Behind the naming of runways and taxiways It will be important for us to understand the basic layout of airport runways, the location of airport signs, and how runways and taxiways are named before divulging into the finer details of the subject. But first, let’s demystify some useful background information that will make our lives much easier when we get into complex subjects. Therefore, we will be looking at the different airport markings, the six types of airport signs, and a snapshot of airport lighting. Pilots, specifically, have to be well acquainted with airport signs, marking, and lighting in order to have seamless maneuvers while inbound and outbound airports.Įven though these signs, markings or lighting may be more confusing at the beginning for less experienced pilots, over time, as nature puts it, “practice makes perfect.” Not only will they be interpreting them naturally, but also will be taking off and landing aircraft of different shapes and sizes with ease. Wherever you go, navigation aids play a crucial role in ascertaining one’s position and in providing a sense of direction that could have otherwise been marred with confusion. Runway approach area holding position signs.Temporarily closed runways and taxiways. ![]() Permanently closed runways and taxiways.Holding position markings for Instrument Landing System, ILS.Holding position markings for intersecting taxiways.Surface painted taxiway direction signs.Behind the naming of runways and taxiways. ![]()
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