Flying at a speed of 530 miles per hour (850 km/h; 240 m/s; 460 kn) over the Navy Annex Building adjacent to Arlington National Cemetery, Flight 77 crashed into the Pentagon's western flank at 09:37:46.
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The plane crashed in an open field next to a wooded area in Stonycreek Township, Somerset County, Pennsylvania at 10:03:11 am. The nearest town is Shanksville. Flight 93 struck the ground at a 40 degree angle almost upside down, hitting right wing and nose first, at a speed of between 563-580 miles per hour.
The hijackers inside the cockpit are heard yelling No! over the sound of breaking glass. The final spoken words on the recorder were a calm voice in English instructing, Pull it up. The plane then crashed into an empty field in Stonycreek, Pennsylvania, about 20 minutes' flying time from Washington, D.C.
The youngest flight passenger who died was Christine Hanson, a 2-year-old on her way to Disneyland on United Airlines Flight 175. The oldest was Robert Norton, 82, who was on American Airlines Flight 11. The 19 hijackers from the militant Islamic extremist group al-Qaeda also died.
#1: The Tenerife Airport DisasterThe deadliest aviation accident in history actually occurred while on the ground, not in the air. In 1977, two fully loaded Boeing 747 passenger jets collided in the middle of a runway on Tenerife Island, killing 583 people.
All 15 crew members and 505 of the 509 passengers died in the accident. Some of the fatalities survived the initial impact but died of their injuries hours later while awaiting rescue. All four survivors were seriously injured. The crash of Flight 123 is the deadliest single-aircraft accident in aviation history.
American Airlines Flight 77 departed Washington Dulles at 8:20 AM (point A in Figures 1 and 2) and reached its assigned cruising altitude of 35,000 feet at about 8:46 AM (B). The final routine radio transmission from the flight was received at 8:51 AM.
“Making up lost time can be tough for pilots, as we can only theoretically fly at certain maximum speeds.” While the plane may be able to go slightly faster, additional fuel burn has to be taken into consideration—and in many cases, it's not worth it to the airline's bottom line.
KLM Flight 4805 and Pan Am Flight 1736, March 27, 1977This crash remains the deadliest ever, claiming the lives of 583 people when two 747s collided on a foggy runway on the island of Tenerife in the Canary Islands.
Small turboprops usually reach speeds around 300 to 400 mph, while business jets and ultra-long-range jets can reach up to 700mph. On average, you can expect your private jet to fly at speeds between 350 and 650 mph.
Ultimately, 8 EMS providers and 343 firefighters died that day and countless more have succumbed to 9/11-related illnesses from their time working at Ground Zero.
On Sept. 11, 2001, 343 firefighters and paramedics were killed, most when the towers collapsed. Now, an equal number have died from 9/11-related illnesses, the FDNY says.