Narrative:

Air carrier on approach to ont reported visual contact with beechcraft baron as pilot checked onto tower frequency. Pilot states he was not issued traffic by approach control. The baron was on approach control's frequency and ARTS data tag.

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Original NASA ASRS Text

Title: ONT TWR CTLR EXPERIENCED NMAC WITH ACR ARR AND VFR BE58.

Narrative: ACR ON APCH TO ONT RPTED VISUAL CONTACT WITH BEECHCRAFT BARON AS PLT CHKED ONTO TWR FREQ. PLT STATES HE WAS NOT ISSUED TFC BY APCH CTL. THE BARON WAS ON APCH CTL'S FREQ AND ARTS DATA TAG.

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.