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Ryanair's O'Leary accuses UK air traffic control boss of lying over outage - Finance news and analysis from Global Banking & Finance Review
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Ryanair's O'Leary accuses UK air traffic control boss of lying over outage

Published by Global Banking & Finance Review

Posted on September 10, 2026

2 min read

· Last updated: September 10, 2026

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Ryanair CEO Accuses NATS of Lying About Air Traffic Control Outage Cause

Controversy Surrounding Air Traffic Control Outage

Allegations from Ryanair CEO Michael O'Leary

DUBLIN, Sept 10 (Reuters) - Ryanair Chief Executive Michael O'Leary on Thursday accused the head of Britain's air traffic control operator of lying about the cause of an outage that led to thousands of flight cancellations earlier this week.

O'Leary said Ryanair had been told by NATS that the outage was caused by a rogue flight plan, the same problem that caused a major disruption in 2023.

NATS CEO Martin Rolfe's Response

Speaking on BBC Radio on Wednesday, NATS CEO Martin Rolfe said he believed the latest outage had been caused by "something different" from previous incidents.

O'Leary's Rejection of NATS Explanation

O'Leary, who has repeatedly called for Rolfe to resign, rejected that explanation.

"NATS have told us it was another rogue flight plan. Now Martin Rolfe is out denying it yesterday," O'Leary said. "I believe he's telling lies to save his own skin."

Background on Previous Outages

2023 Air Traffic Control Disruption

A NATS investigation into the 2023 outage found it was caused by a "one in 15 million" event in which a flight plan contained two identically named but separate waypoints, forcing both the system and its back-up into a "fail-safe" mode.

Current Investigation and Legal Actions

Responding to a similar statement from O'Leary on Wednesday, NATS said the latest outage had been caused by a different issue. It did not immediately respond to a request for comment on O'Leary's latest remarks.

Ryanair is suing NATS in London's High Court for more than £7 million ($9.5 million) over the 2023 outage and has called on the operator to reinvest profits in performance improvements and staffing.

Government and Regulatory Response

Official Investigations

The government has given Rolfe a week to investigate the cause of the latest systems failure.

Transport Minister's Statement

Independent Review Request

Transport minister Heidi Alexander, who summoned Rolfe for a meeting over the incident, said on Wednesday she believed the outage was avoidable and asked the Civil Aviation Authority to conduct an independent review.

($1 = 0.7377 pounds)

(Reporting by Conor Humphries. Writing by William James. Editing by Sam Tabahriti and Mark Potter)

Key Takeaways

  • O’Leary claims NATS originally told Ryanair the outage was due to a 'rogue flight plan' — the same cause as the 2023 disruption — while NATS now denies this, prompting accusations of dishonesty. (uk.marketscreener.com)
  • The outage forced cancellation of some 2,000 flights and delayed thousands more, affecting tens of thousands of passengers and triggering calls for NATS CEO Martin Rolfe to resign. (apnews.com)
  • Transport Minister Heidi Alexander has summoned Rolfe to explain the failure and demanded an independent investigation by the Civil Aviation Authority, while Ryanair continues its £7 million lawsuit over the 2023 incident. (live.euronext.com)

References

Frequently Asked Questions

What caused the recent UK air traffic control outage?
According to Ryanair, NATS cited a rogue flight plan as the cause, similar to the 2023 outage, but NATS' CEO claims the issue was different.
What is Ryanair's response to the NATS explanation?
Ryanair CEO Michael O'Leary rejected NATS CEO Martin Rolfe's explanation and accused him of lying about the cause of the outage.
Is Ryanair taking legal action against NATS?
Yes, Ryanair is suing NATS in London's High Court for over £7 million in damages related to the 2023 outage.
What is the UK government's response to the outage?
The government has ordered an investigation, and the transport minister has summoned NATS' CEO for a meeting and an independent review.
How did the 2023 NATS outage occur?
The 2023 outage was caused by a rare event where a flight plan contained two identically named but separate waypoints, leading the system into fail-safe mode.

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