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The airlines knew for almost an hour that their planes went dramatically off course! This is just unbelievable that airforce did nothing to intercept those planes. >>
I guess people believe that we have planes ready to scramble on a moments notice, and they are all within 10 minutes of any point in the U.S.
What was needed to halt the attacks?
So how much time did the Air Force have to respond? On departure from Boston, American Airlines Flight 11 was passed from the Logan tower to TRACON, which handles departures, then to Boston Center for transition to high-altitude jet airways.
These airways lead over northern Massachusetts toward Albany, N.Y. At a point near Albany, the plane deviated from that course. The FAA?s Boston Center knew within less than a minute that Flight 11 had made a dramatic, roughly 100-degree left-hand turn to the south.
Controllers also overheard a conversation on a cockpit microphone saying, ?Don?t do anything foolish, you?re not going to get hurt,? according to the Christian Science Monitor.
MATTERS OF TIMING
Flying time to the World Trade Center is 24 minutes at high speed from Albany. Flight time from Atlantic City, the nearest F-16 fighter base, to the World Trade Center is just 18 minutes. That leaves just six minutes to launch fighter jets to intercept the hijacked plane.
United Airlines Flight 175, headed from Boston to Los Angeles, flew within four air minutes of Atlantic City before turning north to the World Trade Center. It struck nearly 21 minutes after the first plane.
Why didn?t Atlantic City fighter planes respond? One answer is that Atlantic City is a National Guard base, not an Air Force intercept base, and it may not have had planes on alert. The nearest air intercept base, Otis Air Force Base on Cape Cod, Mass., was reported to have launched two F-15s, but they could not get to the World Trade Center in time.