Narrative:

Failed to notice during arwy programming that FMC data base was not current due to massive east coast ATC program change effective 3/88. As a result of old database, J75 south of lopes, proceeded to turn aircraft on autoplt farther west than location of new J75, ATC did notice deviation and instructed us to intercept J75 as currently published to be 240 degree right of mxe. We did as directed. Verified remainder of route and realized data base error. Possibly already incorrectly used since 3/88. This significant arwy change is a special ATC radar watch area. Apparently, our kind of error has been anticipated and almost immediately verified by ground ARTCC personnel. I appreciate this vigilance. Data base currently could have been inadvertently changed. Lesson learned is to double check data base and en route charts. Recommend that future arwy changes of this degree be concurrent with new route numbers.

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Original NASA ASRS Text

Title: ACR LGT DEVIATED FROM CLRNC ROUTE.

Narrative: FAILED TO NOTICE DURING ARWY PROGRAMMING THAT FMC DATA BASE WAS NOT CURRENT DUE TO MASSIVE E COAST ATC PROGRAM CHANGE EFFECTIVE 3/88. AS A RESULT OF OLD DATABASE, J75 S OF LOPES, PROCEEDED TO TURN ACFT ON AUTOPLT FARTHER W THAN LOCATION OF NEW J75, ATC DID NOTICE DEVIATION AND INSTRUCTED US TO INTERCEPT J75 AS CURRENTLY PUBLISHED TO BE 240 DEG R OF MXE. WE DID AS DIRECTED. VERIFIED REMAINDER OF ROUTE AND REALIZED DATA BASE ERROR. POSSIBLY ALREADY INCORRECTLY USED SINCE 3/88. THIS SIGNIFICANT ARWY CHANGE IS A SPECIAL ATC RADAR WATCH AREA. APPARENTLY, OUR KIND OF ERROR HAS BEEN ANTICIPATED AND ALMOST IMMEDIATELY VERIFIED BY GND ARTCC PERSONNEL. I APPRECIATE THIS VIGILANCE. DATA BASE CURRENTLY COULD HAVE BEEN INADVERTENTLY CHANGED. LESSON LEARNED IS TO DOUBLE CHK DATA BASE AND ENRTE CHARTS. RECOMMEND THAT FUTURE ARWY CHANGES OF THIS DEGREE BE CONCURRENT WITH NEW ROUTE NUMBERS.

Data retrieved from NASA's ASRS site as of August 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.