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9/11 Report Cites Many Warnings About Hijackings
WASHINGTON, Feb. 9 - In the months before the Sept. 11 attacks, federal aviation officials reviewed dozens of intelligence reports that warned about Osama bin Laden and Al Qaeda, some of which specifically discussed airline hijackings and suicide operations, according to a previously undisclosed report from the 9/11 commission.

But aviation officials were "lulled into a false sense of security," and "intelligence that indicated a real and growing threat leading up to 9/11 did not stimulate significant increases in security procedures," the commission report concluded.

The report discloses that the Federal Aviation Administration, despite being focused on risks of hijackings overseas, warned airports in the spring of 2001 that if "the intent of the hijacker is not to exchange hostages for prisoners, but to commit suicide in a spectacular explosion, a domestic hijacking would probably be preferable."

The report takes the F.A.A. to task for failing to pursue domestic security measures that could conceivably have altered the events of Sept. 11, 2001, like toughening airport screening procedures for weapons or expanding the use of on-flight air marshals. The report, completed last August, said officials appeared more concerned with reducing airline congestion, lessening delays, and easing airlines' financial woes than deterring a terrorist attack.

The Bush administration has blocked the public release of the full, classified version of the report for more than five months, officials said, much to the frustration of former commission members who say it provides a critical understanding of the failures of the civil aviation system. The administration provided both the classified report and a declassified, 120-page version to the National Archives two weeks ago and, even with heavy redactions in some areas, the declassified version provides the firmest evidence to date about the warnings that aviation officials received concerning the threat of an attack on airliners and the failure to take steps to deter it....