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4 September 2026
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Ben Sliney: On his first day, he ordered 4 500 aircraft to land, US
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It was his very first day on the job. By 9:42am, he had made an unprecedented decision that altered the course of American history. On the morning of September 11, 2001, Ben Sliney walked into the FAA's command centre in Virginia to handshakes and well-wishes from his colleagues. He was 55, a 27-year veteran of air traffic control and it was his first day as the National Operations Manager - the man running the room that manages the flow of every flight in the entire country. Then, the unimaginable happened. At 8:46am, a plane hit the North Tower. At 9:03am, as his staff watched in horror, the second plane hit the South Tower.
Sliney didn't wait for permission. He gave his first order: a national ground stop. This meant no plane, anywhere in the country, was allowed to take off. While ground stops are used locally for bad weather, it had never been done nationwide.
But that didn't solve the immediate crisis. There were still roughly 4,500 planes in the air.
"After the second aircraft hit the building, I didn't know how many more there could be," Sliney later recalled. "There could be 30 of them. I didn't know."
At 9:37am, a third plane hit the Pentagon.
In the command centre, no one above Sliney had ordered anything. No one had told him what he was allowed to do. But five minutes later, at 9:42 AM, Sliney spoke loud enough for the 40 people in the room to hear: "That's it. I'm landing everyone."
His second order was the bigger one. A ground stop keeps planes down but this order forced them down. Every single aircraft flying over the United States was instructed to land at the nearest airport, immediately, regardless of its destination.
It was a logistical nightmare that had never been practiced, let alone executed. Controllers had to rapidly sequence jets into small regional airports that had never handled them. Thousands of passengers suddenly touched down in cities they had never heard of.
The result? It took just over two hours. 4,500 planes landed. Zero accidents.
Sliney later admitted that in the chaos of that morning, it crossed his mind to wonder if he even had the authority to ground the entire country. He gave the order anyway, deciding to let the question wait. True leadership is acting decisively when the stakes are highest, even in the absence of a playbook.
The 9/11 Commission's report officially recorded the life-saving order as his. Five years later, when director Paul Greengrass made the harrowing film United 93, he asked Sliney to play himself. He did.
Next month, Ben Sliney turns 81. A quiet American hero who, on his very first day, proved exactly why he was the right person for the job.
Source: Aviation 24/7
Sliney didn't wait for permission. He gave his first order: a national ground stop. This meant no plane, anywhere in the country, was allowed to take off. While ground stops are used locally for bad weather, it had never been done nationwide.
But that didn't solve the immediate crisis. There were still roughly 4,500 planes in the air.
"After the second aircraft hit the building, I didn't know how many more there could be," Sliney later recalled. "There could be 30 of them. I didn't know."
At 9:37am, a third plane hit the Pentagon.
In the command centre, no one above Sliney had ordered anything. No one had told him what he was allowed to do. But five minutes later, at 9:42 AM, Sliney spoke loud enough for the 40 people in the room to hear: "That's it. I'm landing everyone."
His second order was the bigger one. A ground stop keeps planes down but this order forced them down. Every single aircraft flying over the United States was instructed to land at the nearest airport, immediately, regardless of its destination.
It was a logistical nightmare that had never been practiced, let alone executed. Controllers had to rapidly sequence jets into small regional airports that had never handled them. Thousands of passengers suddenly touched down in cities they had never heard of.
The result? It took just over two hours. 4,500 planes landed. Zero accidents.
Sliney later admitted that in the chaos of that morning, it crossed his mind to wonder if he even had the authority to ground the entire country. He gave the order anyway, deciding to let the question wait. True leadership is acting decisively when the stakes are highest, even in the absence of a playbook.
The 9/11 Commission's report officially recorded the life-saving order as his. Five years later, when director Paul Greengrass made the harrowing film United 93, he asked Sliney to play himself. He did.
Next month, Ben Sliney turns 81. A quiet American hero who, on his very first day, proved exactly why he was the right person for the job.
Source: Aviation 24/7