Two employees are to blame for the failure that caused the suspension of all flights in the United States: they messed up the program code

The crash that caused all flights to the US to stop, was caused by data file corruption resulting from non-compliance with government procedures, the Federal Aviation Administration (FAA) said. Writes about it Fortune.

Photo: IStock

The agency said in a statement that unidentified "personnel" were responsible for the corruption of the file, which led to the failure of the FAA computer system that sends safety notices to pilots. This prompted the Federal Aviation Administration to suspend all outbound flights from the US, resulting in thousands of delays and cancellations on Jan. 11.

It was the first such failure for an aircraft safety system in the country. As of January 11, over 10 flights were delayed and over 000 canceled, according to FlightAware. This was the first national flight ban in about two decades. ITC.

According to preliminary data, two employees made errors in the main data used in the system known as "Notification of Air Missions" or Notam.

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Notams are advice to pilots about critical safety conditions at airports and other places that aircraft may cross, from bird alerts to runway construction.

Like other computer systems that are critical to flight operations, the FAA has put in place procedures to ensure data is not corrupted by technicians working on it. The file or files have been modified despite rules against such changes on the live system.

Agency officials are trying to determine whether the two people made the changes by accident or on purpose, and whether there was malicious intent in their actions.

When the system started having problems on the evening of January 10, the technicians switched to backup. But since the backup was trying to access the same corrupted data, it didn't work either.

A full shutdown was required to restore the system, causing the FAA to suspend all flight departures for approximately 90 minutes on the morning of January 11.

The agency is trying to create new safeguards to prevent similar failures in the future, the source said. Some parts of Notam's computer system are 30 years old, with 6 years left before a complete update.

Department of Transportation chief Pete Buttigieg held several meetings with senior FAA officials after the outage and "made it clear what he wanted: to get the system updated much faster than planned."

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In its 2023 budget estimate, the FAA has requested $29,4 million for the Aeronautical Information Management Program (notably NOTAM). Commenting on the operation of the system, the department stated that it was necessary to eliminate the faulty obsolete equipment that now supports the NOTAM function in the national airspace system.

Previously, the FAA proposed updating altimeters (altimeters) and installing special filters on passenger and cargo aircraft to protect air transport from the effects of 5G. The Aviation Administration cites about 100 reported "altimeter anomalies" that resulted in erroneous warnings and incorrect navigation equipment data.

The FAA estimates that out of 7 aircraft registered in the US, 993 need filters installed on existing navigation equipment and another 820 need new radio altimeters. This will require about $180 million. Who will pay has not yet been specified.

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