Certainly. Air transportation just holds particular interest for me, given that the codes and abbreviations reflect historical physical constraints: so-and-so m

Certainly. Air transportation just holds particular interest for me, given that the codes and abbreviations reflect historical physical constraints: so-and-so many columns, so-and-so many inches of printable space on a ticket, etc. (This is also why I find US banking standards interesting[1].) [1]: https://blog.yossarian.net/2019/12/25/A-shallow-dive-into-the-American-banking-system https://blog.yossarian.net/2019/12/25/A-shallow-dive-into-th...