Narrative:

On several occasions, even after having advised of similar sounding call signs, aircraft X took control instructions for aircraft Y. Flight crews must adjust head sets and follow sterile cockpit rules, or when arriving/departing terminal areas, and also discontinue use of speakers and hand sets where aircraft are being vectored in close proximity to each other. Callback conversation with reporter revealed the following information: asked if the problem had lessened any since being reported. The reporter said that actually it had. The reporter said the facility had given several briefings to the company and some pilots. He said the problem has been with more than one airline and that for a while hearback/readback incidents were occurring frequently.

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Original NASA ASRS Text

Title: APCH AND LCL CTLR AT CVG RPTS FREQUENT PROBS WITH ACR ACFT USING SIMILAR FLT NUMBERS.

Narrative: ON SEVERAL OCCASIONS, EVEN AFTER HAVING ADVISED OF SIMILAR SOUNDING CALL SIGNS, ACFT X TOOK CTL INSTRUCTIONS FOR ACFT Y. FLT CREWS MUST ADJUST HEAD SETS AND FOLLOW STERILE COCKPIT RULES, OR WHEN ARRIVING/DEPARTING TERMINAL AREAS, AND ALSO DISCONTINUE USE OF SPEAKERS AND HAND SETS WHERE ACFT ARE BEING VECTORED IN CLOSE PROX TO EACH OTHER. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: ASKED IF THE PROB HAD LESSENED ANY SINCE BEING RPTED. THE RPTR SAID THAT ACTUALLY IT HAD. THE RPTR SAID THE FACILITY HAD GIVEN SEVERAL BRIEFINGS TO THE COMPANY AND SOME PLTS. HE SAID THE PROB HAS BEEN WITH MORE THAN ONE AIRLINE AND THAT FOR A WHILE HEARBACK/READBACK INCIDENTS WERE OCCURRING FREQUENTLY.

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.