- Section
- Stuff I Looked Up
- Type
- Explanation
- Date
- June 3, 2023
- Words
- 88
“It has to do with the transition from two-letter to three-letter codes. Originally, airport codes were just two-letters. In Canada, they decided to use the same code as the Morse code for the corresponding Canadian railway station. Eventually, it became important to know if an airport had a weather…”