I know what you mean, Peace. I wonder if there is another video extant that covers a different side or comes from a different angle?

But there most definitely was an airplane that crashed at the Pentagon that day:

American Airlines Flight 77, from Washington to Los Angeles, crashed into the Pentagon with 64 people aboard.
CREW
Charles Burlingame of Herndon, Virginia,
David Charlebois, who lived in Washington's Dupont Circle neighborhood,
Michele Heidenberger of Chevy Chase, Maryland, was a flight attendant
Flight attendant Jennifer Lewis, 38, of Culpeper, Virginia,
Flight attendant Kenneth Lewis, 49, of Culpeper, Virginia,.
Renee May, 39, of Baltimore, Maryland, was a flight attendant.

PASSENGERS
Paul Ambrose, 32, of Washington,
Yeneneh Betru, 35, was from Burbank, California.
M.J. Booth
Bernard Brown, 11, was a student at Leckie Elementary School in Washington
Suzanne Calley, 42, of San Martin, California,
William Caswell
Sarah Clark, 65, of Columbia, Maryland,.
Asia Cottom, 11, was a student at Backus Middle School in Washington.
James Debeuneure, 58, of Upper Marlboro, Maryland,
Rodney Dickens, 11, was a student at Leckie Elementary School in Washington.
Eddie Dillard
Charles Droz
Barbara Edwards, 58, of Las Vegas, Nevada,
Charles S. Falkenberg, 45, of University Park, Maryland,
Zoe Falkenberg, 8, of University Park, Maryland,
Dana Falkenberg, 3, of University Park, Maryland,
Joe Ferguson was the director of the National Geographic Society's geography education outreach
Wilson "Bud" Flagg of Millwood, Virginia
Dee Flagg
Richard Gabriel
Ian Gray, 55, of Washington was the president of a health-care consulting firm.
Stanley Hall, 68, was from Rancho Palos Verdes, California.
Bryan Jack, 48, of Alexandria, Virginia
Steven D. "Jake" Jacoby, 43, of Alexandria, Virginia
Ann Judge, 49, of Virginia
Chandler Keller, 29, was a Boeing propulsion engineer from El Segundo, California.
Yvonne Kennedy
Norma Khan, 45, from Reston, Virginia
Karen A. Kincaid, 40, was a lawyer with the Washington firm of Wiley Rein & Fielding.
Norma Langsteuerle
Dong Lee
Dora Menchaca, 45, of Santa Monica, California,
Christopher Newton, 38, of Anaheim, California,
Barbara Olson, 45, was a conservative commentator who often appeared on CNN and was married to U.S. Solicitor General Theodore Olson. She twice called her husband as the plane was being hijacked and described some details, including that the attackers were armed with knives. She had planned to take a different flight, but she changed it at the last minute so that she could be with her husband on his birthday.
Ruben Ornedo, 39, of Los Angeles, California, was a Boeing propulsion engineer.
Robert Penniger, 63, of Poway, California, was an electrical engineer with BAE Systems.
Lisa Raines, 42, was senior vice president for government relations at the Washington office of Genzyme, a biotechnology firm.
Todd Reuben, 40, of Potomac, Maryland,
John Sammartino
Diane Simmons
George Simmons
Mari-Rae Sopper of Santa Barbara, California,
Bob Speisman, 47, was from Irvington, New York.
Hilda Taylor was a sixth-grade teacher at Leckie Elementary School in Washington.
Leonard Taylor was from Reston, Virginia.
Leslie A. Whittington, 45, was from University Park, Maryland.
John Yamnicky, 71, was from Waldorf, Maryland.
Vicki Yancey
Shuyin Yang
Yuguag Zheng