^"Betty Ong: Unsung Hero of Sept. 11". الإذاعة الوطنية العامة. 10 سبتمبر 2004. مؤرشف من الأصل في 2019-04-15. اطلع عليه بتاريخ 2009-12-06. Betty Ong, a Chinese-American flight attendant for American Airlines, may have saved untold numbers of lives by telling emergency personnel on the ground what was happening aboard flight 11 on Sept. 11, 2001. Her call led to air traffic controllers landing every plane flying over U.S. airspace. ...