Narrative:

On the 7/xx/90, about XX20 Z hours, while operating an large transport X, we received and complied with a clearance issued to us from ZBW on 134.0. We acknowledged that clearance as 'maintain present heading large transport X.' our previous clearance had been direct dpk with a dpk 2/bdl maintain 11000'. We were maintaining our present heading of 060 degrees. We passed the madison VOR on that heading. The controller, after we had passed mad, asked us our heading we replied, '060 degrees, large transport X.' the controller then said, 'negative, turn left to 330 degrees and intercept the 341 degree right of madison.' we questioned the controller and we were told that the present heading clearance was not for us. We then for the first time heard the controller issue a clearance to another flight large transport xx on the same frequency. The controller was talking so fast that we questioned him to be certain that the clearance was not for large transport X. At no time did the controller advise us that another large transport X was on the same frequency. The controller contributed a great deal to this misinterpreted clearance.

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Original NASA ASRS Text

Title: FLT CREW TOOK A CLRNC FOR ANOTHER ACFT.

Narrative: ON THE 7/XX/90, ABOUT XX20 Z HRS, WHILE OPERATING AN LGT X, WE RECEIVED AND COMPLIED WITH A CLRNC ISSUED TO US FROM ZBW ON 134.0. WE ACKNOWLEDGED THAT CLRNC AS 'MAINTAIN PRESENT HDG LGT X.' OUR PREVIOUS CLRNC HAD BEEN DIRECT DPK WITH A DPK 2/BDL MAINTAIN 11000'. WE WERE MAINTAINING OUR PRESENT HDG OF 060 DEGS. WE PASSED THE MADISON VOR ON THAT HDG. THE CTLR, AFTER WE HAD PASSED MAD, ASKED US OUR HDG WE REPLIED, '060 DEGS, LGT X.' THE CTLR THEN SAID, 'NEGATIVE, TURN LEFT TO 330 DEGS AND INTERCEPT THE 341 DEG R OF MADISON.' WE QUESTIONED THE CTLR AND WE WERE TOLD THAT THE PRESENT HDG CLRNC WAS NOT FOR US. WE THEN FOR THE FIRST TIME HEARD THE CTLR ISSUE A CLRNC TO ANOTHER FLT LGT XX ON THE SAME FREQ. THE CTLR WAS TALKING SO FAST THAT WE QUESTIONED HIM TO BE CERTAIN THAT THE CLRNC WAS NOT FOR LGT X. AT NO TIME DID THE CTLR ADVISE US THAT ANOTHER LGT X WAS ON THE SAME FREQ. THE CTLR CONTRIBUTED A GREAT DEAL TO THIS MISINTERPRETED CLRNC.

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.