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UK CAA sets scope of independent review into NATS technical incident

The UK Civil Aviation Authority published on 25 September the terms of reference for its independent review into the NATS technical incident of 8 September 2026, which disrupted travellers and saw more than 2,000 flights delayed, cancelled or diverted. A NATS preliminary report on 18 September attributed the incident to a software defect. The review will examine NATS' plans for renewing and modernising critical operational systems, business continuity, implementation of past review recommendations, the effectiveness of CAA regulatory oversight, and international best practice, and will also be informed by similar events including those of 21 September. An initial report goes to the Secretar…

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Impact and considerations

The review's findings could shape the resilience, modernisation investment and regulatory oversight of UK air traffic management, affecting airline schedule reliability and business-traveller journeys.

Key points

  • The UK CAA published on 25 September the terms of reference for its independent review into the NATS technical incident of 8 September 2026.
  • The incident saw more than 2,000 flights delayed, cancelled or diverted.
  • A NATS preliminary report on 18 September said the incident was caused by a software defect.
  • The review will consider NATS' strategy and plans for renewal, replacement and modernisation of critical operational systems, including improved business continuity.
  • It will also examine how well recommendations from previous reviews were implemented and the effectiveness of the CAA's regulatory oversight.
  • The review will draw on international best practice and be informed by similar events, including those of 21 September.
  • An initial report will go to the Secretary of State by end-January 2027, with the final report by 8 March 2027.
  • An independent challenge panel, appointed by the CAA and approved by the Secretary of State, will provide expert challenge and advice.

Sources and time

Primary source
UK Civil Aviation Authority
Other sources
0
First source publication
25 Sept 2026, 08:00
Page published
25 Sept 2026, 23:23
Last updated
25 Sept 2026, 08:00
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