Narrative:

On ILS 4R hnl. Advised of small twin on a parallel approach to 4L from the right seat. Watching twin turn base until blocked by fuselage. Sitting up in seat to watch twin progress. Next sighting was almost directly underneath from right front window. Non flying told captain to go around. Advised the tower of go around. Tower questioned twin that he was cleared for the left runway. Twin responded that he was lining up for 4L.

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Original NASA ASRS Text

Title: ACR HAS NMAC WITH SMT CLRED TO PARALLEL RWY APCH.

Narrative: ON ILS 4R HNL. ADVISED OF SMALL TWIN ON A PARALLEL APCH TO 4L FROM THE R SEAT. WATCHING TWIN TURN BASE UNTIL BLOCKED BY FUSELAGE. SITTING UP IN SEAT TO WATCH TWIN PROGRESS. NEXT SIGHTING WAS ALMOST DIRECTLY UNDERNEATH FROM R FRONT WINDOW. NON FLYING TOLD CAPT TO GAR. ADVISED THE TWR OF GAR. TWR QUESTIONED TWIN THAT HE WAS CLRED FOR THE L RWY. TWIN RESPONDED THAT HE WAS LINING UP FOR 4L.

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.