Narrative:

On takeoff in vfr condition we experienced a terrain warning due to a map shift on the nav system. There was no visual conflict with the terrain and normal takeoff was continued. No rnav departure was planned or executed.

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Original NASA ASRS Text

Title: B757-200 Captain reported receiving a terrain warning after takeoff in TIST that was due to a map shift. No terrain conflict occurred.

Narrative: On takeoff in vfr condition we experienced a terrain warning due to a map shift on the nav system. There was no visual conflict with the terrain and normal takeoff was continued. No rnav departure was planned or executed.

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.