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An initial heading track deviation is corrected when the first officer advises the PIC that there was a problem with the GPS navigation system southwest of irk, mo.
| Attributes | |
| ACN | 512040 |
| Time | |
| Date | 200105 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : irk.vortac |
| State Reference | MO |
| Altitude | msl single value : 31000 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : rdu.tower |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival : profile descent |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : navigator |
| Qualification | pilot : instrument pilot : multi engine pilot : commercial |
| ASRS Report | 512040 |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : clearance non adherence : published procedure other spatial deviation |
| Resolutory Action | flight crew : became reoriented flight crew : returned to intended or assigned course |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Aircraft |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Location: southwest of irk VOR. We were navigating using the GPS. After crossing irk and beginning the braymer 1 arrival, I noticed that we were right of course and heading approximately 20 degrees to the right of the arrival radial. I pointed this out to the captain who turned the aircraft back to the left to rejoin the arrival. While we were turning ATC asked if we were deviation. I said that there was a problem with the GPS and that we were turning left to rejoin the arrival. The controller acknowledged and the remainder of the flight was uneventful.
Original NASA ASRS Text
Title: AN INITIAL HDG TRACK DEV IS CORRECTED WHEN THE FO ADVISES THE PIC THAT THERE WAS A PROB WITH THE GPS NAV SYS SW OF IRK, MO.
Narrative: LOCATION: SW OF IRK VOR. WE WERE NAVING USING THE GPS. AFTER XING IRK AND BEGINNING THE BRAYMER 1 ARR, I NOTICED THAT WE WERE R OF COURSE AND HDG APPROX 20 DEGS TO THE R OF THE ARR RADIAL. I POINTED THIS OUT TO THE CAPT WHO TURNED THE ACFT BACK TO THE L TO REJOIN THE ARR. WHILE WE WERE TURNING ATC ASKED IF WE WERE DEV. I SAID THAT THERE WAS A PROB WITH THE GPS AND THAT WE WERE TURNING L TO REJOIN THE ARR. THE CTLR ACKNOWLEDGED AND THE REMAINDER OF THE FLT WAS UNEVENTFUL.
Data retrieved from NASA's ASRS site as of July 2007 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.