Narrative:

During the transition from arrival to instrument approach we had a temporary loss of GPS signal with localizer frequency in active causing the FMS to use dead reckoning for about 10 or so seconds before realization occurred and ATC was able to give vector back to localizer course. Increased vigilance in monitoring of navigational performance [is suggested].

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Original NASA ASRS Text

Title: CRJ700 First Officer experienced a loss of GPS signal during approach prior to localizer intercept which resulted in a track deviation and a vector from ATC.

Narrative: During the transition from arrival to instrument approach we had a temporary loss of GPS signal with localizer frequency in active causing the FMS to use dead reckoning for about 10 or so seconds before realization occurred and ATC was able to give vector back to localizer course. Increased vigilance in monitoring of navigational performance [is suggested].

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.