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A320 crew took a heading and altitude meant for another aircraft. The crew properly gave a readback, but the D21 approach controller did not catch the error.
| Attributes | |
| ACN | 599378 |
| Time | |
| Date | 200311 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : det.airport |
| State Reference | MI |
| Altitude | msl single value : 12000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : d21.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | descent : intermediate altitude descent : approach |
| Route In Use | arrival star : spica |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : d21.tracon |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : commercial pilot : atp pilot : multi engine |
| Experience | flight time last 90 days : 153 flight time total : 9000 flight time type : 1800 |
| ASRS Report | 599378 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 120 flight time total : 18000 flight time type : 4000 |
| ASRS Report | 600887 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : far non adherence : published procedure other spatial deviation |
| Independent Detector | atc equipment other atc equipment : radar other controllera |
| Resolutory Action | controller : issued new clearance controller : issued alert |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
On the spica arrival close to spica at 12000 ft, approach control issued us a descent to 11000 ft. The captain acknowledged the altitude and I initiated the descent. ATC was issuing a heading of 290 degrees when the captain was finished acknowledging the 11000 ft. The captain acknowledged the 290 degrees and I initiated the turn. A few mins later, ATC asked us if we were on the arrival. The captain said we were on assigned heading 290 degrees. ATC told us the heading was not for us and to turn to 240 degrees immediately. I initiated the turn. Rest of flight uneventful.
Original NASA ASRS Text
Title: A320 CREW TOOK A HEADING AND ALT MEANT FOR ANOTHER ACFT. THE CREW PROPERLY GAVE A READBACK, BUT THE D21 APCH CTLR DID NOT CATCH THE ERROR.
Narrative: ON THE SPICA ARR CLOSE TO SPICA AT 12000 FT, APCH CTL ISSUED US A DSCNT TO 11000 FT. THE CAPT ACKNOWLEDGED THE ALT AND I INITIATED THE DSCNT. ATC WAS ISSUING A HEADING OF 290 DEGS WHEN THE CAPT WAS FINISHED ACKNOWLEDGING THE 11000 FT. THE CAPT ACKNOWLEDGED THE 290 DEGS AND I INITIATED THE TURN. A FEW MINS LATER, ATC ASKED US IF WE WERE ON THE ARR. THE CAPT SAID WE WERE ON ASSIGNED HEADING 290 DEGS. ATC TOLD US THE HEADING WAS NOT FOR US AND TO TURN TO 240 DEGS IMMEDIATELY. I INITIATED THE TURN. REST OF FLT 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.