All about taxiway markings 

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We are making it. Please look forward to the next video. Thanks a lot.

Thank you sooooooo much.😉👍👍🎁🍻

The centerlines of the runways need to be 4300 ft apart.

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I LOL'd at that when I saw it. We all know a dege marking when we see one, right?

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Okay👍👍👍😄

They covered this in the runway paint video It can be either

they were created for the sounds in the words to be as distinct as possible Read more here if interested en.m.wikipedia.org/wiki/NATO_phonetic_alphabet#:~:text=The%20U.S.%20adopted%20the%20Joint,World%20War%20II%20as%20well.

@@jerryli6763 i know the origin of the alphabet alpha bravo etc, Or the number of the runaways. My question is about the name of the taxiways. Why this one is Quebec for example, this one is Delta etc?

@@tombouchon6950 Just a guess but it also depends on the airport size. Normally I think they use some kind of continuous designation. Like if you have one runway with only one main taxiway and maybe three intersections, the main could be Alpha and the other ones Bravo, Charlie, Delta in order. The bigger the airport, the more factors for designation could/should be taken into account, also trying to stick to a certain logic if possible. The airport I work at, for example, has two parallel runways with the terminals and aprons in between them. There is one rwy in the south and one in the north. The taxiways which lead from the apron to the main taxiway parallel to the runway, are called entries. All entries to the southern runway are designated with Sierra (entry S3, S4 ) and the ones leading to the northern runway are named with November (N4, N5). The main taxiway parallel to the runways are also designated accordingly (N for northern rwy and S for the southern). Also, the intersections leading from N to the runway are named from A1 to A15, probably to avoid confusion because all intersections from S to the southern rwy are named with B. (Instead of making the main taxiway into S/N + a number) At even bigger airports, like Heathrow, double naming might also occur, so some taxiways have two letters and maybe also a number, like "NB1". To save letters, especially for short taxiways that are only there to connect (link) two main taxiways together, they also just use the designator "Link" + number. At Heathrow, they also use actual words as designator for intermediate holding positions like "TITAN","PLUTO" or "LOMAN". Which is also to avoid confusion in times of heavy traffic, I assume. If you look at some charts of different airports, you can usually figure out the logic behind it to a certain extent. But I can't tell you for sure. What I can tell you is that like everything in aviation, there is a reason behind it somewhere.👍 But these are just my 5 cents.

Thanks you for your long answer but very instructive.

You cant expect the standard metric system when the birthplace of aviation is in the U.S