American Airlines Flight 77

American Airlines Flight 77
Name	American Airlines Flight 77
Date	September 11, 2001
Type	Hijacking and suicide attack
Site	Pentagon, Arlington County, Virginia, United States
Aircraft type	Boeing 757-223
Operator	American Airlines
Origin	Ronald Reagan Washington National Airport
Destination	Los Angeles International Airport
Occupants	64
Passengers	58
Fatalities	64 (all)

American Airlines Flight 77 was a scheduled transcontinental passenger flight that was hijacked and deliberately crashed into the Pentagon on September 11, 2001. The attack was one of four coordinated September 11 attacks carried out by the Islamist extremist group al-Qaeda. The crash caused extensive destruction to the western side of the Pentagon building and contributed to the total death toll of the 2001 attacks.

Flight and aircraft

The aircraft was a Boeing 757-223, serial number built for American Airlines, registered N644AA, delivered in 1991 and configured for transcontinental service between Reagan National Airport and Los Angeles International Airport. The Boeing 757 type is a narrow-body, twin-engine jet developed by Boeing Commercial Airplanes and commonly used by carriers including American Airlines, Delta Air Lines, and United Airlines for medium- and long-haul routes. The specific aircraft had undergone routine maintenance at facilities operated by American Airlines Maintenance personnel and was part of the airline's fleet operating from hubs such as Dallas/Fort Worth International Airport and Chicago O'Hare International Airport.

Crew and passengers

The flight carried six crew members employed by American Airlines and 58 passengers, drawn from a variety of backgrounds including employees of federal agencies and private sector firms. Among the passengers were staff associated with installations in the National Capital Region and visitors to the Washington metropolitan area. The cockpit crew included a captain and first officer certified under Federal Aviation Administration pilot certification standards, and cabin crew members trained according to Federal Aviation Administration and Transportation Security Administration protocols in effect prior to changes made after 2001.

Hijacking and timeline of events

Flight 77 departed Ronald Reagan Washington National Airport in the morning of September 11, 2001. Shortly after takeoff, five hijackers associated with al-Qaeda—including flight-trained operatives who had attended flight schools such as FlightSafety International and Yingling Aviation—overpowered the crew and seized control of the cockpit. The hijackers, part of a cell coordinated by Osama bin Laden's organization and planned by operatives like Khalid Sheikh Mohammed, redirected the aircraft toward the National Mall area of Washington, D.C.. Air traffic control communications with the aircraft were disrupted; military response involved scramble orders to fighters from Langley Air Force Base and coordination with North American Aerospace Defense Command (NORAD), which had been alerted during the series of hijackings. The timeline of command-and-control decisions and radar tracking of the aircraft was later analyzed in 9/11 Commission Report reconstructions that detail shifts in headings, altitude, and speed prior to impact.

Crash and impact at the Pentagon

At approximately 09:37 a.m., Flight 77 struck the western facade of the Pentagon in Arlington County, Virginia, creating a fireball and breaching multiple rings of the building, including office space occupied by personnel from agencies such as the Department of Defense and staff offices related to Joint Chiefs of Staff support functions. The impact destroyed sections of the E Ring and caused structural collapse and fires that required emergency responses from the Arlington County Fire Department, Fort Myer Fire Department, and mutual aid from the Metropolitan Washington Council of Governments. The collision damaged office records, communications suites, and prompted large-scale evacuation and rescue operations coordinated with FEMA and local law enforcement.

Investigation and official findings

Investigations were conducted by multiple agencies, including the Federal Bureau of Investigation, the National Transportation Safety Board, and the 9/11 Commission. Forensic analysis of aircraft wreckage, flight data recorders, and DNA evidence identified the hijackers and confirmed the aircraft identity. The 9/11 Commission Report and subsequent Department of Defense inquiries determined that the crash was a deliberate act of terrorism executed by al-Qaeda operatives, and examined intelligence lapses involving agencies such as the Central Intelligence Agency, Federal Aviation Administration, and National Security Agency. Official findings informed major policy and institutional reforms including the creation of the Department of Homeland Security, changes to Transportation Security Administration screening protocols, and revisions to NORAD air-defense procedures.

Victims and memorials

All 64 people aboard Flight 77 perished, along with 125 personnel inside the Pentagon, creating a combined loss that affected families, federal agencies, and communities nationwide. Memorials include the Pentagon Memorial in Arlington, which commemorates victims with benches arranged by year of birth and inscriptions, and broader commemorations at the National September 11 Memorial & Museum in New York City. Annual remembrance events involve officials from the United States Department of Defense, survivor networks, and families represented through organizations such as the Families of September 11, Inc.. The attack spurred legislative and cultural responses across institutions including hearings in the United States Congress and tributes from heads of state worldwide.

Category:September 11 attacks Category:Aircraft hijackings Category:2001 disasters in the United States