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One Typo, Wrong Continent

50 videos recommended on HN
YouTube
2 HN users recommended this explainer2 months2022–2025 score 2
Years with an HN recommendation, 2007–2026

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

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.

“just fascinating and worth the watch” (HN, 2022)

2 recommendations · 1 citations · Explainers

3 Hacker News comments

From the HN archive; up to 20 kept per video, favoring different commenters. Recommendations first.

@Titan2189 Jun 2025 Recommends
on HN thread 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
Summary of messy airport codes with reasons for the quirks.

Citations, criticism and jokes

Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.

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