One Typo, Wrong Continent
Why Hacker News recommends it
HN people point to it as a fun summary of how messy airport codes are, especially in threads on aviation falsehoods and code collisions.
What it is
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.
Recommended by 2 HN commenters across 2 different months, 2022 to 2025.
What Hacker News said
Recommends simplyinfinity · 2022-12 · on “Airport Runway Names Shift with Magnetic Field”
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]
Recommends Titan2189 · 2025-06 · on “Falsehoods programmers believe about aviation”
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
Cites shagie · 2024-11 · on “Air traffic failure caused by two locations 3600nm apart sharing 3-letter code”
CGP Grey The Maddening Mess of Airport Codes! [this video] I'd rather deal with designing tables to properly represent names.