Near-Misses at Sydney Airport Up 20% Above National Average as Air Traffic Controller Shortage Triggers Safety Investigation
Why It MattersWhen controller staffing gaps coincide with runway incident rates above national norms, it signals that airspace safety margins at busy hub airports can erode before a single serious event forces scrutiny.
What happened
A shortage of air traffic controllers at Sydney Airport has prompted an independent safety investigation after a new report found runway incursions and near collisions at the airport were running approximately 20 per cent above national averages.

The Australian Transport Safety Bureau (ATSB) has been investigating six runway incidents that occurred in July and August at Sydney Airport. On Wednesday, the ATSB released preliminary findings covering the first four of those incidents, which included two near misses.
Industry impact & what to watch
Runway incursions and near misses are the leading indicators regulators watch before a collision occurs, which is why a rate running above the national average at a single airport is enough to trigger an independent safety investigation rather than wait for a serious event. Controller staffing levels sit directly behind that indicator: fewer controllers per movement compresses the margin for catching a conflicting clearance or a late runway crossing.
The ATSB's preliminary findings on the first four of the six incidents will matter more than the headline rate, since they should indicate whether the incidents share a common staffing or procedural cause or are unrelated events that happened to cluster in two months. The remaining two incidents under review, and whether the ATSB extends its findings to cover them, are the next milestone to watch.

















































