Narrative:

I was cleared for takeoff on runway 29R, told to fly runway heading. Upon leaving the ground, I was in the fog immediately and became spatially disoriented. I became fixated on my airspeed and did not realize I was in a left turn. At 500 ft MSL, I realized I was on a heading of 210 degrees. I immediately turned left, just as ATC radioed my deviation and reported I came within 100 ft of the tower.

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Original NASA ASRS Text

Title: A C210 PLT BECAME DISORIENTED DURING AN IMC TKOF FROM FAT AND CAME WITHIN 100 FT OF THE CTL TWR.

Narrative: I WAS CLRED FOR TKOF ON RWY 29R, TOLD TO FLY RWY HDG. UPON LEAVING THE GND, I WAS IN THE FOG IMMEDIATELY AND BECAME SPATIALLY DISORIENTED. I BECAME FIXATED ON MY AIRSPEED AND DID NOT REALIZE I WAS IN A L TURN. AT 500 FT MSL, I REALIZED I WAS ON A HDG OF 210 DEGS. I IMMEDIATELY TURNED L, JUST AS ATC RADIOED MY DEV AND RPTED I CAME WITHIN 100 FT OF THE TWR.

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.