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Clt controller issues vectors to one air carrier, receiving readback without call sign verification, and subsequently becomes involved in an operational error.
| Attributes | |
| ACN | 520576 |
| Time | |
| Date | 200108 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : clt.airport |
| State Reference | NC |
| Altitude | msl single value : 4000 |
| Environment | |
| Flight Conditions | VMC |
| Weather Elements | other |
| Aircraft 1 | |
| Controlling Facilities | tracon : clt.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | A319 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : clt.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Experience | controller radar : 28 controller time certified in position1 : 7 |
| ASRS Report | 520576 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 9000 vertical : 1 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
3 aircraft involved. I issued a heading of 180 degrees to aircraft XXX intending to issue that heading for aircraft ZZZ. An aircraft read back the clearance to 180 degrees, but did not state the call sign. I responded by saying 'aircraft ZZZ roger.' I received no response from either aircraft. Needless to say after subsequent vectors and my error of saying the wrong call sign, an operational error occurred. If either one of the aircraft had said something initially it may have broken the next chain of events.
Original NASA ASRS Text
Title: CLT CTLR ISSUES VECTORS TO ONE ACR, RECEIVING READBACK WITHOUT CALL SIGN VERIFICATION, AND SUBSEQUENTLY BECOMES INVOLVED IN AN OPERROR.
Narrative: 3 ACFT INVOLVED. I ISSUED A HDG OF 180 DEGS TO ACFT XXX INTENDING TO ISSUE THAT HDG FOR ACFT ZZZ. AN ACFT READ BACK THE CLRNC TO 180 DEGS, BUT DID NOT STATE THE CALL SIGN. I RESPONDED BY SAYING 'ACFT ZZZ ROGER.' I RECEIVED NO RESPONSE FROM EITHER ACFT. NEEDLESS TO SAY AFTER SUBSEQUENT VECTORS AND MY ERROR OF SAYING THE WRONG CALL SIGN, AN OPERROR OCCURRED. IF EITHER ONE OF THE ACFT HAD SAID SOMETHING INITIALLY IT MAY HAVE BROKEN THE NEXT CHAIN OF EVENTS.
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.