Narrative:

Requested and received [longest] runway for takeoff due to heavy weight. Used full length well before runway threshold for takeoff roll. At about 80 knots; started to hear wind noise from my window while acting as PF. I attempted to close the window by using the window crank; first officer said he had the aircraft. Unable to stop the noise as noise got much louder approaching 100 knots. I took back control of the aircraft; saw that we had a lot of runway left to stop in; while considering continuing the takeoff; but noise was getting so loud; I was doubting the safety of taking the aircraft into the air with as much runway that we had remaining. We were just after the 3 bars in the touchdown zone approaching the two bars. Closed throttles to idle at 115 knots; aircraft pulsed twice into rejected takeoff braking; I advanced the throttles slightly to turn off auto braking. Time in rejected takeoff was only 1-2 seconds. Rolled out during remaining runway while applying light braking in several short intervals along the runway. Taxied back to gate for maintenance inspection and one hour delay for brake cooling. Turns out that the lower rear cam on captain's window was not completely perpendicular; in proper position for full closure of the window; but still able to lock the window with the push-button latching mechanism.verify that lower rear cam is completely perpendicular to indicate full closure of window before locking with latch mechanism.

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Original NASA ASRS Text

Title: B757-200 flight crew reported rejecting the takeoff at 115 kts because the Captain's side window was improperly closed.

Narrative: Requested and received [longest] runway for takeoff due to heavy weight. Used full length well before runway threshold for takeoff roll. At about 80 knots; started to hear wind noise from my window while acting as PF. I attempted to close the window by using the window crank; FO said he had the aircraft. Unable to stop the noise as noise got much louder approaching 100 knots. I took back control of the aircraft; saw that we had a lot of runway left to stop in; while considering continuing the takeoff; but noise was getting so loud; I was doubting the safety of taking the aircraft into the air with as much runway that we had remaining. We were just after the 3 bars in the touchdown zone approaching the two bars. Closed throttles to idle at 115 knots; aircraft pulsed twice into RTO braking; I advanced the throttles slightly to turn off auto braking. Time in RTO was only 1-2 seconds. Rolled out during remaining runway while applying light braking in several short intervals along the runway. Taxied back to gate for maintenance inspection and one hour delay for brake cooling. Turns out that the lower rear cam on Captain's window was not completely perpendicular; in proper position for full closure of the window; but still able to lock the window with the push-button latching mechanism.Verify that lower rear cam is completely perpendicular to indicate full closure of window before locking with latch mechanism.

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.