Narrative:

Upon departure captain's window hatch was unsecured and blew open. He retarded throttles and aborted takeoff. First officer told ATC we were aborted. We secured hatch and taxied as instructed to opposite end (since they turned airport around). We then took off without further incident on runway 9R.

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Original NASA ASRS Text

Title: PLT SLIDING WINDOW NOT LATCHED ON TKOF. TKOF ABORTED.

Narrative: UPON DEP CAPT'S WINDOW HATCH WAS UNSECURED AND BLEW OPEN. HE RETARDED THROTTLES AND ABORTED TKOF. FO TOLD ATC WE WERE ABORTED. WE SECURED HATCH AND TAXIED AS INSTRUCTED TO OPPOSITE END (SINCE THEY TURNED ARPT AROUND). WE THEN TOOK OFF WITHOUT FURTHER INCIDENT ON RWY 9R.

Data retrieved from NASA's ASRS site as of July 2007 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.