The following have been named as the men who hijacked AA Flight 11, which left Boston's Logan Airport bound for Los Angeles before being piloted into the North Tower of the World Trade Center.

Abdulaziz Alomari
Varying dates of birth used.
Possible residence: Hollywood, Fla.
Listed as a passenger in seat 8G. Alomari flew from Portland, Maine, to Boston, where the two flights that struck the World Trade Center towers originated, with Mohamed Atta. Alomari was believed to be one of the pilots of the hijacked plane. But a Saudi man has reported to authorities that he is the real Abdulaziz Alomari, and claims his passport was stolen in 1995 while he studied electrical engineering at the University of Denver. Alomari says he informed police of the theft.

"The name [listed by the FBI] is my name and the birth date is the same as mine, but I am not the one who bombed the World Trade Center in New York," Abdulaziz Alomari told the London-based Asharq Al-Awsat newspaper.

Alomari has been named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
  

Wail M. al-Shehri
Date of birth used: July 31, 1973.
Possible residences: Hollywood and Boynton Beach Fla., and Newton, Mass.
Listed as a passenger in seat 2A. Believed to be one of the pilots of the hijacked flight. Came to the United States two weeks before the attacks from Saudi Arabia, where he left a suicide note. He was a member of Osama bin Laden's al Qaeda terrorist network. Father claims Wail, in December 2000, left home and work to travel for medical treatment. The Associated Press reports that the FBI has raided a hotel in Newton, a Boston suburb, where al-Shehri and his brother Waleed were believed to have stayed the night before the Sept. 11 attacks. The FBI has obtained the phone records from his mobile phone.

Wail has been named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Waleed M. al-Shehri
Varying dates of birth used.
Possible residences: Hollywood, Orlando, Daytona Beach, Fla.
Listed as a passenger in seat 2B. From Saudi Arabia and a younger brother of Wail M. al-Shehri. He studied at a Saudi Arabian teachers college and was a former airline pilot. Officials tell The Associated Press he has been linked to Osama bin Laden's al Qaeda network.

Waleed has been named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Satam M. A. Al Suqami
Date of birth used: June 28, 1976
Possible U.S. residence: Boynton Beach, Fla.
Listed as a passenger in seat 10B. A Saudi Arabian national whose passport was recovered in the rubble. The address on his Florida driver's license is the same as one found on Wail Alshehri, another hijacker on the same flight.

Al Suqami has been named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Mohamed Atta
Date of birth used: Sept. 1, 1968
Possible residences: Hollywood, Coral Springs, Venice and Nokomis, Fla., and Hamburg, Germany.
Listed as a passenger in seat 8D. An Egyptian national who investigators believe was the primary U.S. operative overseeing and directing the attacks. Believed to be one of the pilots of the hijacked flight.

Prior to coming to the United States, Atta and his cousin, Marwan Al-Shehhi, lived in Hamburg, Germany, a country federal authorities say has been used often as a base by a number of terrorist mastermind Osama bin Laden's operatives. The general manager of a crop-dusting airfield in Florida told the FBI Atta and other men visited the facility as recently as the Saturday before the attacks, asking questions about crop-dusting planes, including how big of a load of chemicals they could carry.

The two men earned their private pilot licenses at an airfield in Venice, Fla. and in December, 2000, spent thousands on jet training, taking flight simulator lessons for large commercial jets at a private flight school at Opa Locka, Fla. Atta's car was found abandoned at Boston's Logan Airport.

Investigators are trying to determine whether he is the same Mohamed Atta who received U.S. military training, intended for members of foreign military services, in how to use E-2 Hawkeye radar aircraft at Norfolk Naval Air Station, Va. The FBI has obtained the phone records from his mobile phone.

Atta's father claims his son had nothing to do with the attacks, hated bin Laden and made contact with family days after the attacks.

Mohamed Atta was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

United Airlines Flight 175 Hijackers

The following have been named as the men who hijacked UAL Flight 175, which left Boston's Logan Airport bound for Los Angeles before being piloted into the South Tower of the World Trade Center.

    Fayez Rashid Ahmed Hassan Al Qadi Banihammad
Possible residence: Delray Beach, Fla.
A Saudi Arabian national. The address on his pilot's license was for a flight school in Tulsa, Okla., but the school has no record of his attendance. A person with that name attended the Lackland Air Force Base Defense Language Institute in San Antonio, Texas. Ahmed reportedly took flight training classes in Florida with Mohamed Atta.

Ahmed was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

    Ahmed Alghamdi
Possible residences: Daytona Beach and Pensacola, Fla.
Authorities tell The Associated Press Alghamdi was linked to Osama bin Laden's al Qaeda terrorist network. He studied engineering in Mecca before moving to Chechnya in 1999.

Alghamdi was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Hamza Alghamdi
Date of birth used: Nov. 18, 1980
Possible residence: Delray Beach, Fla.
Officials tell The Associated Press he was linked to Osama bin Laden's al Qaeda terrorist network.

Hamza Alghamdi was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Marwan Al-Shehhi
Date of birth used: May 9, 1978.
Possible residence: Hollywood, Fla.
Came to the United States from Saudi Arabia about two weeks before the attacks. Left a suicide note with his family. Trained in Afghanistan in hand-to-hand combat and is believed to have been assigned to control passengers, while other hijackers broke into the pilot's cabin. Lived as a student in Hamburg, Germany with Mohamed Atta until summer, when the two moved to Florida. Investigators believe he, along with Atta and others, paid thousands for flight-training classes in Florida.

Al-Shehhi was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Mohald al-Shehri
Possible residence: Delray Beach, Fla.
Little is known about Alshehri. The Guardian of London reports that, like his cousin Marwan Al-Shehhi, he took flight training classes in Florida with Mohamed Atta.

Al-Shehri was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

American Airlines Flight 77 Hijackers

The following have been named as the men who hijacked AA Flight 77, which left Washington's Dulles International Airport bound for Los Angeles before being flown into the Pentagon.

Khalid Almihdhar
Possible residences: San Diego and New York.
Listed as a passenger in seat 12B. A Yemeni national who is known to have met in Kuala Lumpur, Malaysia with a senior aide to terrorist mastermind Osama bin Laden who was a principal suspect in the bombing of the USS Cole in Yemen. According to a law enforcement source, the CIA transmitted the information about Almidhar to the FBI and the Immigration and Naturalization Service and his name was placed on the INS watch list. However, he had already entered the United States by the time his name was placed on the list Aug. 24. The FBI has obtained the phone records from his mobile phone.

Newsweek reports the FBI had begun searching for Almihdhar before the attacks. The INS reportedly checked its databases and realized that he and associate Salem Alhazmi had entered the United States earlier in the year on business visas, giving a Marriott Hotel in New York as their address. The INS also learned the two men had entered the country in 2000 and had listed a Los Angeles hotel chain as their address.

One of five hijackers who worked out at a Gold's Gym in Greenbelt, Md., for a few days in September. The Associated Press quotes an instructor at Sorbi's Flying Club in San Diego as saying Almihdhar was interested in flying large planes, particularly Boeings.

Almihdhar was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Nawaf Alhazmi
Possible residences: Fort Lee, N.J., Wayne, N.J., and San Diego, Calif.
Spent time in Chechnya with Salem Al-Hamzi. The Associated Press reports a flight instructor at Sorbi's Flying Club in San Diego said Al-Hamzi trained in a twin-engine Cessna in May 2000 with Khalid Almihdhar. They were interested in flying large planes, particularly Boeings, the flight instructor said. A car dealer in Wayne, N.J., confirms the FBI has confiscated his records on cars Alhazmi had rented.

Nawaf Alhazmi was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Salem Alhazmi
Possible residences: Fort Lee and Wayne, N.J.
Listed as a passenger in seat 5F. Spent time in Chechnya with Nawaf Alhazmi. Was on a U.S. government watch list, along with his associate Khalid Almihdhar, before the attacks. Newsweek reports the Immigration and Naturalization Service checked its databases and realized he and Al-Midhar entered the United States earlier this year on business visas, giving a Marriott Hotel in New York as their address. The INS also learned the two men had entered the country last year and had listed a Los Angeles hotel chain as their address.

Salem Alhazmi was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Hani Hanjour
Possible residences: Phoenix, Ariz., San Diego, Calif., New York
A Saudi Arabian national who went to live in the United Arab Emirates in 1999. Federal Aviation Administration records show someone named Hani Hanjour received a commercial pilot's license in 1999, listing a P.O. box in Saudi Arabia as his address.

An instructor at CRM Flight School in Scottsdale, Ariz., said Hanjour received training there from September through November of 1996. Hanjour returned again in December of 1997. He was trying for his private pilot's license but, the instructor says, was a very poor student who skipped homework and missed flights.

According to The Associated Press, Hanjour flew three times from a flight school at Freeway Airport in Bowie, Md., in August. He ultimately received an FAA pilot's license. One of five hijackers who worked out at a Gold's Gym in Greenbelt, Md., for a few days in September.

He was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Majed Moqed
Listed as a passenger in seat 12A.
One of five hijackers who worked out at a Gold's Gym in Greenbelt, Md., for a few days earlier this month. The FBI has obtained the phone records from his mobile phone.

He was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

United Arlines Flight 93 Hijackers

The following have been named as the men who hijacked UAL Flight 93, which left Newark, N.J., bound for San Francisco before crashing in Stony Creek Township, Pa.

Saeed Alghamdi
Date of birth listed: Dec. 19, 1960
Possible residence: Daytona Beach and Pensacola, Fla.
Alghamdi was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.

Ahmed Ibrahim A. Al Haznawi
Date of birth used: Oct. 11, 1980
Possible residence: Delray Beach, Fla.
Little is known about Al Haznawi. He was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Ahmed Alnami
Date of birth used: December 1977
Possible residence: Delray Beach, Fla.
Little is known about Alnami. He was named an unindicted co-conspirator in the indictment against Zacarias Moussaoui.
 

Ziad Samir Jarrah
Date of birth listed: Dec. 2, 1968
Possible residence: Hollywood, Fla.
Jarrah was a Lebanese national and a Sunni Muslim. He was listed as having a valid pilot's license. Hours after the attacks, the FBI searched an apartment in Hollywood, Fla., in which he was thought to have lived. From 1996 to 2000, he studied aeronautical engineering in Hamburg, Germany.

Jarrah left Germany the first time in June 2000, traveling to the United States briefly to attend an aviation seminar sponsored by Boeing. He returned to the United States again about six months before the attacks. About 10 days before the attacks, he called his father asking for $2,000, and then called back two days later to thank him. Jarrah's father and uncle both said he was not a religious man and denied a CNN report he had been to Afghanistan.