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An air carrier first officer comments that the airways intxns maars and marrs sound alike and were confused. Marrs was incorrectly entered in the GPS briefly.
| Attributes | |
| ACN | 791249 |
| Time | |
| Date | 200806 |
| Place | |
| Locale Reference | atc facility : d21.tracon |
| State Reference | MI |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | climbout : initial |
| Route In Use | departure : vfr |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 140 flight time total : 16400 flight time type : 3100 |
| ASRS Report | 791249 |
| Events | |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : became reoriented |
| Supplementary | |
| Problem Areas | Airspace Structure Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
After takeoff from yip; when handed over to dtw departure; we were told to fly to 'maars' intersection. 'Marrs' was inadvertently entered in the GPS in our aircraft. We turned to marrs instead of maars. We turned about 120 degrees off the proper course. ATC asked us where we were going and then we discovered that we entered the wrong waypoint. We then corrected it and flew to the proper waypoint. We were on course to the wrong waypoint about 10 seconds and 230 KTS.
Original NASA ASRS Text
Title: AN ACR FO COMMENTS THAT THE AIRWAYS INTXNS MAARS AND MARRS SOUND ALIKE AND WERE CONFUSED. MARRS WAS INCORRECTLY ENTERED IN THE GPS BRIEFLY.
Narrative: AFTER TKOF FROM YIP; WHEN HANDED OVER TO DTW DEP; WE WERE TOLD TO FLY TO 'MAARS' INTXN. 'MARRS' WAS INADVERTENTLY ENTERED IN THE GPS IN OUR ACFT. WE TURNED TO MARRS INSTEAD OF MAARS. WE TURNED ABOUT 120 DEGS OFF THE PROPER COURSE. ATC ASKED US WHERE WE WERE GOING AND THEN WE DISCOVERED THAT WE ENTERED THE WRONG WAYPOINT. WE THEN CORRECTED IT AND FLEW TO THE PROPER WAYPOINT. WE WERE ON COURSE TO THE WRONG WAYPOINT ABOUT 10 SECONDS AND 230 KTS.
Data retrieved from NASA's ASRS site as of May 2009 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.