<p>Washington: A key US pilot messaging system was experiencing a temporary outage, which could lead to flight delays on Sunday, US Transportation Secretary Sean Duffy said late on Saturday.us</p>.US Army withholds name of one Black Hawk soldier killed in DC collision.<p>The Federal Aviation Administration is working to restore the "Notice to Air Mission" or NOTAM system, Duffy said on X.</p>.<p>"There is currently no impact to the National Airspace System because a backup system is in place," Duffy said. "FAA has set up a hotline to communicate with aviation stakeholders and will send notices every 30 minutes with updates on the system's status."</p><p>In January 2023, an outage of the NOTAM system led to the first nationwide US groundstop since 2001, disrupting more than 11,000 flights.</p>
<p>Washington: A key US pilot messaging system was experiencing a temporary outage, which could lead to flight delays on Sunday, US Transportation Secretary Sean Duffy said late on Saturday.us</p>.US Army withholds name of one Black Hawk soldier killed in DC collision.<p>The Federal Aviation Administration is working to restore the "Notice to Air Mission" or NOTAM system, Duffy said on X.</p>.<p>"There is currently no impact to the National Airspace System because a backup system is in place," Duffy said. "FAA has set up a hotline to communicate with aviation stakeholders and will send notices every 30 minutes with updates on the system's status."</p><p>In January 2023, an outage of the NOTAM system led to the first nationwide US groundstop since 2001, disrupting more than 11,000 flights.</p>