Mohamed Atta, oo ahaa hogaamiyihii weerarrada, iyo nin kale oo afduubayaal ah, Abdulaziz al-Omari, ayaa yimid garoonka diyaaradaha ee Portland International Jetport 05:41 Eastern Daylight Time 11kii Sebtember, 2001. Waxay raaceen Colgan Air Flight 5930, oo la qorsheeyay inay ka baxdo 06:00 Portland, Maine, waxayna u duuleen Boston. Labada afduubayaal waxay lahaayeen tigidhada fasalka koowaad oo leh duulimaad isku xira Los Angeles; Weerarku wuxuu galay laba shandadood, midna Omari. Markii ay soo galeen, Nidaamka Xakamaynta Rakaabka ee Kumbuyuutarka (CAPPS Attack) ayaa loo doortay baaritaan dheeraad ah oo ku saabsan boorsada, laakiin wuxuu fuulay iyada oo aan wax shil ah dhicin. Duulimaadkii ka yimid Portland wuxuu ka baxay waqtigii loogu talagalay wuxuuna yimid Boston 06:45. Saddex qof oo kale oo afduubayaal ah, Waleed al-Shehri, Wail al-Shehri, iyo Satami al-Samiq al-Omari, ayaa yimid garoonka diyaar
Duulimaadka Colgan Air 5930