The American Airlines Flight 11 aircraft was a Boeing 767-200ER delivered in 1987, registration number N334AA.[2] The capacity of the aircraft was 158 passengers, but the September 11 flight carried 81 passengers and 11 crew members. This was a light load at 58.2 percent capacity, but higher than the average load factor for Flight 11 on Tuesday mornings of 39 percent in the months preceding September 11.[3] The 11 crew members were Captain John Ogonowski, First Officer Thomas McGuinness, and flight attendants Barbara Arestegui, Jeffrey Collman, Sara Low, Karen Martin, Kathleen Nicosia,Betty Ong, Jean Roger, Dianne Snyder, and Amy Sweeney.