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Air traffic failure caused by two locations 3600nm apart sharing 3-letter code
Investigators probing the serious UK air traffic control system failure in August last year have detailed the flightplan waypoint confusion which triggered the incident.
According to an independent panel’s review of the occurrence, the UK’s Swanwick area control centre had received a flightplan from French Bee flight BF371 – operating from Los Angeles to Paris Orly – at around 08:32 on 28 August. This involved converting the flightplan file to a standard European format, and adding supplementary waypoints, before passing it to relevant air traffic control providers including NATS. The FPRSA-R primary system identified the entry point as waypoint APSOV, which lies on the boundary between Shanwick oceanic airspace and the Scottish flight information region.
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