The US Federal Aviation Administration’s (FAA) system that alerts pilots and other flight personnel about hazards or any changes to airport facility services and relevant procedures was not processing updated information, the civil aviation regulator’s website showed on Wednesday.
In an advisory, the FAA said its NOTAM (Notice to Air Missions) system had ‘failed’. There was no immediate estimate for when it would be back, the website showed, though NOTAMs issued before the outage were still viewable.
Over 400 flights were delayed within, into, or out of the United States as of Wednesday 5.31 am ET, flight tracking website FlightAware showed. It was not immediately clear if the outage was a factor.
A NOTAM is a notice containing information essential to personnel concerned with flight operations, but not known far enough in advance to be publicized by other means.
Information can go up to 200 pages for long-haul international flights and may include items such as runway closures, general bird hazard warnings, or low-altitude construction obstacles.
Federal officials said Tuesday they will require charter airlines, air-tour operators and plane manufacturers to develop detailed systems for identifying potential safety problems before accidents occur.
The Federal Aviation Administration said safety-management systems have made travel on large airlines safer since their adoption was required in 2018.
