Narrative:

Took off in fog at psf west/O IFR clearance. Believed fog to be only 200' thick, but actual approximately 400'. Might have encroached on controled airspace. Should have filed IFR to avoid possibility. Made VFR trip to cub after takeoff. Should know better.

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Original NASA ASRS Text

Title: PLT OF SMT LIGHT TWIN DEPARTS NON TWR ARPT IN IMC THINKING THAT HE WOULD ONLY HAVE TO CLIMB THROUGH A LOW OVERCAST A COUPLE HUNDRED FEET THICK. IT TURNED OUT TO BE MUCH THICKER, HOWEVER, AND REPORTER COULD NOT STAY LEGAL.

Narrative: TOOK OFF IN FOG AT PSF W/O IFR CLRNC. BELIEVED FOG TO BE ONLY 200' THICK, BUT ACTUAL APPROX 400'. MIGHT HAVE ENCROACHED ON CTLED AIRSPACE. SHOULD HAVE FILED IFR TO AVOID POSSIBILITY. MADE VFR TRIP TO CUB AFTER TKOF. SHOULD KNOW BETTER.

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.