Narrative:

Rejected two takeoffs attempts at 80 KTS for cockpit head windshear indication. Successful departure on third attempt. Winds were down the runway at 15 KTS gusting to 25 KTS. Uneventful landing at destination. [We need] better windshear monitoring equipment with ATC.

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Original NASA ASRS Text

Title: A DC-10 crew rejected two takeoffs for what they believe were valid windshear warnings but were successful on the third attempt.

Narrative: Rejected two takeoffs attempts at 80 KTS for cockpit head windshear indication. Successful departure on third attempt. Winds were down the runway at 15 KTS gusting to 25 KTS. Uneventful landing at destination. [We need] better windshear monitoring equipment with ATC.

Data retrieved from NASA's ASRS site as of July 2013 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.