Narrative:

Landed on wrong parallel runway 28L instead of runway 28R. Used left down wind pattern same as lvk my home airport for runway 25L. Occupied by faster traffic on straight in runway 28R and a rough engine earlier in run-up. Focused on approach end and expedited approach to land no communication after heading clearance from/with tower until after touchdown on runway. Faster traffic followed on runway 28R, no conflict with any traffic, no other aircraft operating. Very quiet on tower. Primary contributor was being preoccupied with engine and potential traffic. Similarities of airport runways also contributed to inadvertent landing. Lvk is left traffic, left runway. 99% of the time prelndg checklist was now confirm runway clearance with tower. Runway assigned 16 mi out after option provided, cleared to land after 45 degree left downwind entry, no communication until I called tower after touchdown.

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Original NASA ASRS Text

Title: C210 PLT LANDED ON THE WRONG RWY AT MOD.

Narrative: LANDED ON WRONG PARALLEL RWY 28L INSTEAD OF RWY 28R. USED LEFT DOWN WIND PATTERN SAME AS LVK MY HOME ARPT FOR RWY 25L. OCCUPIED BY FASTER TFC ON STRAIGHT IN RWY 28R AND A ROUGH ENGINE EARLIER IN RUN-UP. FOCUSED ON APCH END AND EXPEDITED APCH TO LAND NO COM AFTER HDG CLRNC FROM/WITH TWR UNTIL AFTER TOUCHDOWN ON RWY. FASTER TFC FOLLOWED ON RWY 28R, NO CONFLICT WITH ANY TFC, NO OTHER ACFT OPERATING. VERY QUIET ON TWR. PRIMARY CONTRIBUTOR WAS BEING PREOCCUPIED WITH ENG AND POTENTIAL TFC. SIMILARITIES OF ARPT RWYS ALSO CONTRIBUTED TO INADVERTENT LNDG. LVK IS LEFT TFC, LEFT RWY. 99% OF THE TIME PRELNDG CHKLIST WAS NOW CONFIRM RWY CLRNC WITH TWR. RWY ASSIGNED 16 MI OUT AFTER OPTION PROVIDED, CLRED TO LAND AFTER 45 DEG LEFT DOWNWIND ENTRY, NO COM UNTIL I CALLED TWR AFTER TOUCHDOWN.

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.