Narrative:

Our departure was filed and programmed for the kennedy 1 breezy point climb. Experienced map shift on FMS and was vectored by ATC back on departure route. Reprogrammed FMS/double-checked with manual crosscheck and ensured accuracy.

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Original NASA ASRS Text

Title: B757 flight crew experiences an FMS map shift during the KENNEDY1 departure from JFK. ATC issued vectors to return flight to desired track.

Narrative: Our departure was filed and programmed for the Kennedy 1 Breezy Point climb. Experienced map shift on FMS and was vectored by ATC back on departure route. Reprogrammed FMS/double-checked with manual crosscheck and ensured accuracy.

Data retrieved from NASA's ASRS site as of April 2012 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.