Narrative:

Aborted takeoff due to unsecured direct vision (dv) window.cleared for takeoff started down runway and heard excessive air noise starting at about 20 KTS called for abort; advised tower and cleared off runway. Dv window on falcon 2EASY has green ban to show locked. The green ban was visible and checked on checklist. The problem occurred because front latch on dv window was secure but back latch was not secured.unlatched and reengaged dv window. Continued on with flight. When at destination we tried to replicate problem and was able to do so. Dv window must be carefully closed and double checked.

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Original NASA ASRS Text

Title: Falcon 2000 Captain reported beginning the takeoff roll but an unsecured window came partially open and the takeoff was rejected.

Narrative: Aborted Takeoff due to unsecured Direct Vision (DV) window.Cleared for takeoff started down runway and heard excessive air noise starting at about 20 KTS called for abort; advised tower and cleared off runway. DV window on Falcon 2EASY has green ban to show locked. The green ban was visible and checked on checklist. The problem occurred because front latch on DV window was secure but back latch was not secured.Unlatched and reengaged DV window. Continued on with flight. When at destination we tried to replicate problem and was able to do so. DV window must be carefully closed and double checked.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.