[kevinelliott]

That's right! ACARS has some very interesting information in it.

Just a few things of notable interest:

- realtime routing plans/changes

- OOOI (out/off/on/in) revealing when an airframe takes off or lands

- departure, destination airports and gates

- weather and other flight bag data

- airline / flight crew communication

- flight crew / airport communication

- positional data (which can be useful to augment or verify when ADS-B data is not available)

It has been a time consuming process to do research on some of the extended text (see: https://github.com/airframesio/acars-message-documentation), but we hope to keep at it.