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MD80 flight crew start descent after receiving clearance and then claim controller said they took clearance for other aircraft. Flight crew and FAA jump seat rider heard flight crew's call sign given with clearance.
| Attributes | |
| ACN | 389350 |
| Time | |
| Date | 199712 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : dfw |
| State Reference | TX |
| Altitude | msl bound lower : 10500 msl bound upper : 11000 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zfw tower : crq |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | cruise other descent other |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 389350 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
Narrative:
At approximately XX50Z around hikay intersection, we were given a descent from 11000 ft to 7000 ft. I read back the clearance and we began our descent. At 10500 ft we received a TA, traffic was 12000 ft, 5 mi, and 1000 ft below us. Center then gave us an immediate climb back to 11000 ft and told us we had taken the descent clearance for other aircraft. The first officer responded quickly and climbed back to 11000 ft. The first officer and our FAA jump seat rider both heard the clearance for our call sign. Center never advised us of the traffic.
Original NASA ASRS Text
Title: MD80 FLC START DSCNT AFTER RECEIVING CLRNC AND THEN CLAIM CTLR SAID THEY TOOK CLRNC FOR OTHER ACFT. FLC AND FAA JUMP SEAT RIDER HEARD FLC'S CALL SIGN GIVEN WITH CLRNC.
Narrative: AT APPROX XX50Z AROUND HIKAY INTXN, WE WERE GIVEN A DSCNT FROM 11000 FT TO 7000 FT. I READ BACK THE CLRNC AND WE BEGAN OUR DSCNT. AT 10500 FT WE RECEIVED A TA, TFC WAS 12000 FT, 5 MI, AND 1000 FT BELOW US. CTR THEN GAVE US AN IMMEDIATE CLB BACK TO 11000 FT AND TOLD US WE HAD TAKEN THE DSCNT CLRNC FOR OTHER ACFT. THE FO RESPONDED QUICKLY AND CLBED BACK TO 11000 FT. THE FO AND OUR FAA JUMP SEAT RIDER BOTH HEARD THE CLRNC FOR OUR CALL SIGN. CTR NEVER ADVISED US OF THE TFC.
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.