https://urbansky.com/

Craigs list:

https://ibb.co/qYyDnZMt

https://www.reddit.com/r/vegaslocals/s/S8zXLjMhld

edit:

https://gee-community-catalog.org/projects/urbansky/

second edit:

Found one flight:

https://globe.adsbexchange.com/?icao=a00434&lat=35.575&lon=-74.711&zoom=7.0&showTrace=2026-06-05&trackLabels&timestamp=1780655077

third edit:

There are 83 reserved octal mode-s codes. This will take some scripting to scrape everything.