Bots posting alerts for aircraft squawking emergency transponder codes 7500 (hijacking), 7600 (radio failure), 7700 (emergency).
Fediverse address (squawking 7500 & 7700):
@aircraft_alert@airwaves.social
Fediverse address (squawking 7500, 7600 & 7700):
@aircraft_alert@mastodon.social