Talks to Watch

One Typo, Wrong Continent

11.6M views · Dec 2, 2022 · 16:04 · 2 HN recommenders · 3 mentions · discussed 2022–2025

CGP Grey explains why airport codes are inconsistent and sometimes confusing, from their origins in old weather station codes to the quirks that cause mistakes. He builds the story around a single typo that sent a flight to the wrong continent.

Why Hacker News points people here: HN people point to it as a fun summary of how messy airport codes are, especially in threads on aviation falsehoods and code collisions.

“just fascinating and worth the watch”HN comment, 2022

What Hacker News said 3

RecommendssimplyinfinityDec 2022

“just fascinating and worth the watch”

Fascinating explanation of airport codes.

Full comment

CGP Grey did a couple of episodes on runways[0] and airport codes[1] that are just fascinating and worth the watch [0] link [1] this video

in “Airport Runway Names Shift with Magnetic Field” · view on HN
RecommendsTitan2189Jun 2025

“Great Summary of how messed up Airport Codes are by CGP Grey”

Summary of messy airport codes with reasons for the quirks.

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Great Summary of how messed up Airport Codes are by CGP Grey this video including (attempts at) a few in-depth reasons for why these quirks exists

in “Falsehoods programmers believe about aviation” · view on HN
Cites itshagieNov 2024
Full comment

CGP Grey The Maddening Mess of Airport Codes! this video I'd rather deal with designing tables to properly represent names.

in “Air traffic failure caused by two locations 3600nm apart sharing 3-letter code” · view on HN