Runway near-misses at Sydney Airport surge, data shows increasing trend over two decades

Analysis of ATSB records reveals taxiing collisions and incursions are rising beyond what can be explained by increased flying

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By LineZotpaper
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A string of four close calls at Sydney Airport in as many weeks has highlighted growing concerns over runway safety, with new analysis of Australian Transport Safety Bureau data from 2003 to 2025 showing a statistically significant increase in taxiing collisions and near-collisions that cannot be attributed solely to growth in aviation activity.

The recent spate of incidents at Australia's busiest airport has put air traffic management under scrutiny. On August 19, two planes were cleared to use the same runway simultaneously, with one crew stopping only after spotting the other aircraft. A week earlier, a Jetstar Airbus A320 preparing to depart for the Gold Coast encountered an empty Qatar Airways Boeing 777 being towed across a taxiway; the abrupt stop injured one Jetstar cabin crew member. Hours later, a Virgin Australia Boeing 737 began its take-off sequence on a runway as a Qantas 737 crossed another runway ahead — both crews reported having clearance from air traffic control, but the Virgin crew stopped when their take-off clearance was cancelled. On July 27, a Qantas 737 was cleared to cross a runway while a smaller plane was still landing; air traffic control intervened to alert both crews.

To assess whether these events are part of a broader pattern, Graham Wild, an aviation coordinator at UNSW's Australian Defence Force Academy, analysed ATSB data from 2003 to 2025 for Australian commercial air transport. He focused on runway incursions — the incorrect presence of an aircraft, vehicle or person in a protected runway area — and taxiing collisions or near-collisions. Raw counts of reported occurrences can be misleading because aviation activity has varied substantially, especially during the COVID pandemic. So Wild calculated occurrence rates per million flight hours for domestic aviation and all commercial air transport.

The analysis found a significant increasing underlying trend in both the number and rate of taxiing collisions or near-collisions for domestic aviation. Across the period, the number increased on average by about one additional occurrence every three years. The significant increase in the rate indicates this trend cannot simply be explained by growth in aviation activity. While the exact causes of the recent Sydney incidents are still under investigation, the data suggests systemic pressures are contributing to a rising risk on the ground.

The Australian Transport Safety Bureau is expected to release detailed reports on each incident. Meanwhile, Sydney Airport and air traffic service provider Airservices Australia are under pressure to demonstrate that safety margins are being maintained. The findings come as air travel continues to recover from the pandemic, with passenger numbers approaching pre-COVID levels, placing additional strain on airport infrastructure and personnel.

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Analysis

Why This Matters

  • Passengers and crew face heightened risk during ground movements; a collision could lead to catastrophic loss of life.
  • The increasing trend in near-misses, even after accounting for flight hours, suggests underlying safety system weaknesses that need addressing.
  • Pressure on air traffic management and airport infrastructure may grow if capacity is forced to expand without corresponding safety investments.

Background

The four recent incidents at Sydney Airport occurred within a little over three weeks, sparking public and regulatory concern. Graham Wild of UNSW analysed Australian Transport Safety Bureau data from 2003 to 2025, covering runway incursions and taxiing collisions or near-collisions. He calculated rates per million flight hours to account for variations in aviation activity, particularly the COVID-19 downturn and subsequent recovery. The analysis revealed a statistically significant upward trend in taxiing incidents that exceeds what would be expected from increased flying alone.

Key Perspectives

Airservices Australia and air traffic controllers: They may argue that growing air traffic and complex operations at a constrained airport like Sydney require more advanced technology and additional staffing. They will likely stress that many near-misses are prevented by alert crews and timely interventions. Airlines (Jetstar, Qantas, Virgin Australia): Airlines will emphasise their commitment to safety and that root causes must be identified before assigning blame. They may call for improved communication protocols and procedural clarity. Aviation safety experts and regulators: Critics point to systemic issues such as outdated technology at some control towers, fatigue among controllers, and the pressure to increase capacity without parallel safety enhancements. The ATSB's investigation will be crucial in determining whether regulatory changes are needed.

What to Watch

  • ATSB investigation reports on the specific Sydney incidents, expected within months.
  • Any announcements from Airservices Australia regarding new ground radar or runway safety systems.
  • Calls for a formal inquiry into air traffic management at major Australian airports by the federal government or the Civil Aviation Safety Authority.

Sources

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