NEW YORK CITY (WABC) -- On September 11, 2001, when the call came about a "plane into the World Trade Center," Eyewitness News reporter John Del Giorno was cleared to fly NewsCopter7 directly towards the Twin Towers.
As he flew downtown, he and his pilot saw a second jetliner that was out of place, moving fast and abrupt.
As he looked back out his window through his camera monitor, he saw the second plane make an impact with the second tower.
RELATED | 'Eyewitness to 9/11: Behind the Lens' reveals untold stories, rare video of America's darkest day
That moment is when he knew this wasn't an accident.
Watch his never-before-heard story from the skies.
CLICK HERE for more Eyewitness News reflections, photos and stories marking the anniversary of 9/11
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