Sydney Airport is facing growing scrutiny over the systems and workload surrounding aircraft movements after a series of recent safety incidents prompted investigations by Australia’s transport safety authorities.

Rather than focusing only on the aircraft involved, the latest developments are drawing attention to communication between pilots, ground crews and air traffic controllers at one of Australia’s busiest airports.

The Australian Transport Safety Bureau (ATSB) is examining six separate occurrences recorded since July 27. The incidents include runway movements, aircraft pushbacks and taxiing conflicts.

Two of the newest cases occurred on August 16 and August 25.

In one incident, a Virgin Australia Boeing 737 was instructed to give way to a Qantas 737 while taxiing. The Virgin crew did not repeat the instruction in full, while air traffic control did not immediately identify the incomplete readback. The Qantas crew subsequently stopped after noticing the approaching aircraft.

In another incident, a Jetstar Airbus A320 began pushing back while a Bombardier Dash 8 was taxiing behind it. The pushback was stopped after the aircraft involved identified the potential conflict.

The ATSB said neither incident presented an immediate risk of collision, with crews and ground personnel responding appropriately.

However, the broader investigation is significant because Sydney’s reported aviation occurrences are not isolated events.

Airservices Australia said it has recorded an average of 34.1 occurrences per month at Sydney Airport since January 2021, compared with 21.3 at Brisbane Airport and 12.2 at Melbourne Airport.

Authorities are now reviewing recorded data and interviewing controllers, pilots and ground crews to determine whether wider operational issues contributed to the incidents.

For passengers, the message is clear: the incidents did not result in a collision, but investigators are examining whether lessons from the recent sequence could help prevent a more serious event in the future.