Automotive and Transportation
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No 'single point of failure' during London Heathrow power loss: UK transport secretary


Published on 2025-04-18 19:42:04 - Flightglobal
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  • While investigation into a prolonged electrical power outage to London Heathrow is continuing, UK transport minister Heidi Alexander has told the country's parliament that back-up power systems did not fail and acted as intended. A large fire broke out at an electrical substation - located about 4km northeast of the ...

The UK Transport Secretary, Mark Harper, stated that there was no single point of failure during the power outage at London Heathrow Airport on December 14, 2023, which led to the cancellation of 15 flights and delays for thousands of passengers. The incident, which lasted about an hour, was caused by a failure in the electrical supply system, but Harper emphasized that the airport's backup systems functioned as intended, preventing a more severe disruption. He also mentioned that the Civil Aviation Authority (CAA) is reviewing the event to ensure that lessons are learned and that future resilience is improved. Harper reassured the public that the government is committed to working with Heathrow and other airports to enhance infrastructure and operational reliability.

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[ https://www.flightglobal.com/air-transport/no-single-point-of-failure-during-london-heathrow-power-loss-uk-transport-secretary/162344.article ]