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A320 being vectored for an approach to dtw received a turn to 160 degrees. ATC disputes that and turned them to 320 degree heading. Reporter suspects they may have been given a 260 degree heading and misread it.
| Attributes | |
| ACN | 366777 |
| Time | |
| Date | 199704 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : dtw |
| State Reference | MI |
| Altitude | msl bound lower : 4000 msl bound upper : 4000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : dtw |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | descent other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 220 flight time total : 19000 flight time type : 700 |
| ASRS Report | 366777 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : flight engineer |
| Experience | flight time last 90 days : 100 flight time total : 4200 flight time type : 100 |
| ASRS Report | 366780 |
| Events | |
| Anomaly | non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Ambiguous |
| Air Traffic Incident | other |
Narrative:
During approach to dtw we were being vectored to final for runway 3R. We were somewhat close in and we were given a turn to heading 160 degrees, which was a little extreme but not 'out of the ball park.' after reaching the heading ATC inquired what our heading was and we stated 160 degrees. We were then asked, 'who gave us that heading?' we stated it was received on the last ATC transmission. We were then told to fly heading 320 degrees and maintain 4000 ft. After this the approach was normal to landing. Some possibilities are that the controller said 160 degrees but meant 260 degrees -- we heard 160 degrees instead of 260 degrees -- or someone other than ATC gave this instruction -- or we received information meant for another aircraft.
Original NASA ASRS Text
Title: A320 BEING VECTORED FOR AN APCH TO DTW RECEIVED A TURN TO 160 DEGS. ATC DISPUTES THAT AND TURNED THEM TO 320 DEG HDG. RPTR SUSPECTS THEY MAY HAVE BEEN GIVEN A 260 DEG HDG AND MISREAD IT.
Narrative: DURING APCH TO DTW WE WERE BEING VECTORED TO FINAL FOR RWY 3R. WE WERE SOMEWHAT CLOSE IN AND WE WERE GIVEN A TURN TO HDG 160 DEGS, WHICH WAS A LITTLE EXTREME BUT NOT 'OUT OF THE BALL PARK.' AFTER REACHING THE HDG ATC INQUIRED WHAT OUR HDG WAS AND WE STATED 160 DEGS. WE WERE THEN ASKED, 'WHO GAVE US THAT HDG?' WE STATED IT WAS RECEIVED ON THE LAST ATC XMISSION. WE WERE THEN TOLD TO FLY HDG 320 DEGS AND MAINTAIN 4000 FT. AFTER THIS THE APCH WAS NORMAL TO LNDG. SOME POSSIBILITIES ARE THAT THE CTLR SAID 160 DEGS BUT MEANT 260 DEGS -- WE HEARD 160 DEGS INSTEAD OF 260 DEGS -- OR SOMEONE OTHER THAN ATC GAVE THIS INSTRUCTION -- OR WE RECEIVED INFO MEANT FOR ANOTHER ACFT.
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.