https://theaircurrent.com/aviation-safety/chinas-aviation-regulator-orders-grounding-of-737-max/
China's aviation regulator orders grounding of 737 Max - The Air Current
aviation regulatorchinaorders
https://www.theregister.com/2021/04/22/garmin_tcas_software_collision_risks_faa/
US aviation regulator warns of mid-air collision risk if Garmin TCAS boxes are not updated • The...
Apr 28, 2021 - Software fixes available, says FAA
aviation regulator warnsusmid
https://www.thedailystar.net/environment/climate-crisis/natural-disaster/news/indian-civil-aviation-regulator-warns-flight-disruptions-over-volcanic-ash-clouds-ethiopia-4043066
Indian civil aviation regulator warns of flight disruptions over volcanic ash clouds from Ethiopia...
Ash clouds from the recent eruption of the Hayli Gubbi volcano in Ethiopia flying at high altitudes are impacting flight operations
aviation regulator warnscivil