BLEEP BLOOP: I just saw an aircraft with callsign #ASA1052 (ICAO code #A2B919) flying at 312 kt at altitude 8500 feet MSL at coordinates 34.2049,-118.4992.
That's, like, super fast.
https://globe.theairtraffic.com//?icao=a2b919
https://globe.adsbexchange.com/?icao=a2b919
https://www.openstreetmap.org/?mlat=34.2049&mlon=-118.4992#map=15/34.2049/-118.4992