Narrative:

On downwind to bna, flight was vectored to right base for visual runway 2R, bna. Crew visually idented bna runway 31 on downwind. Flight was cleared visual runway 2R utilizing internally ILS runway 2R as a backup while on a vectored right base to runway 2R. The flight guidance system (MD80, gfms equipped, non-EFIS) captured and tuned and idented localizer and GS for runway 2R bna. PNF idented proper ILS morse code for ILS runway 2R bna. PF called runway not in sight to PNF while descending on ILS localizer and GS. Descending to 1800 ft afl, PF calls runway still not in sight while bna tower calls flight, inquiring our flight path. Aircraft guidance system intercepted a course and GS paralleling, ILS runway 2R localizer and GS. PF executed a go around with vectors to the ILS runway 2R for an uneventful approach and landing. Callback conversation with reporter revealed the following information: this model of the MD80, an older model, does not have the map display that the later models have in association with a modern FMC installation. The FMS does not allow any input to the CDI from this non EFIS type approach display. The approach was properly conducted with the crew using coordination as required for identify of the ILS. All 3 participants realized that a problem existed with the tower issuing headings for an intercept of the runway after the missed approach procedure was started. First officer reporter said that the PIC and flight attendant did not follow up on the supposition that a cell phone was to blame. Feedback from company and union representatives indicated that bna tower had no previous events of this nature.

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Original NASA ASRS Text

Title: DISPLACED LOC AND GS COURSE CREATES A HDG TRACK DEV BY THE FLT CREW OF AN MD80 ON APCH TO RWY 2 VISUAL WITH ILS BACK UP DURING A NIGHT OP AT BNA, TN.

Narrative: ON DOWNWIND TO BNA, FLT WAS VECTORED TO R BASE FOR VISUAL RWY 2R, BNA. CREW VISUALLY IDENTED BNA RWY 31 ON DOWNWIND. FLT WAS CLRED VISUAL RWY 2R UTILIZING INTERNALLY ILS RWY 2R AS A BACKUP WHILE ON A VECTORED R BASE TO RWY 2R. THE FLT GUIDANCE SYS (MD80, GFMS EQUIPPED, NON-EFIS) CAPTURED AND TUNED AND IDENTED LOC AND GS FOR RWY 2R BNA. PNF IDENTED PROPER ILS MORSE CODE FOR ILS RWY 2R BNA. PF CALLED RWY NOT IN SIGHT TO PNF WHILE DSNDING ON ILS LOC AND GS. DSNDING TO 1800 FT AFL, PF CALLS RWY STILL NOT IN SIGHT WHILE BNA TWR CALLS FLT, INQUIRING OUR FLT PATH. ACFT GUIDANCE SYS INTERCEPTED A COURSE AND GS PARALLELING, ILS RWY 2R LOC AND GS. PF EXECUTED A GAR WITH VECTORS TO THE ILS RWY 2R FOR AN UNEVENTFUL APCH AND LNDG. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THIS MODEL OF THE MD80, AN OLDER MODEL, DOES NOT HAVE THE MAP DISPLAY THAT THE LATER MODELS HAVE IN ASSOCIATION WITH A MODERN FMC INSTALLATION. THE FMS DOES NOT ALLOW ANY INPUT TO THE CDI FROM THIS NON EFIS TYPE APCH DISPLAY. THE APCH WAS PROPERLY CONDUCTED WITH THE CREW USING COORD AS REQUIRED FOR IDENT OF THE ILS. ALL 3 PARTICIPANTS REALIZED THAT A PROB EXISTED WITH THE TWR ISSUING HEADINGS FOR AN INTERCEPT OF THE RWY AFTER THE MISSED APCH PROC WAS STARTED. FO RPTR SAID THAT THE PIC AND FLT ATTENDANT DID NOT FOLLOW UP ON THE SUPPOSITION THAT A CELL PHONE WAS TO BLAME. FEEDBACK FROM COMPANY AND UNION REPRESENTATIVES INDICATED THAT BNA TWR HAD NO PREVIOUS EVENTS OF THIS NATURE.

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.