Narrative:

Upon takeoff from runway 13 sgj; cleared to a right turn to 270 degrees up to 2000 ft; at 1700 ft through about 220 degree heading; observed other aircraft just above left wing traveling north. Aircraft passed over within 25-50 ft. ATC advised aircraft was not supposed to be there and his previous reports of location were inaccurate.

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Original NASA ASRS Text

Title: IFR LR25 EXPERIENCED NMAC AFTER DEP FROM SGJ AT 1700 FT WHILE STILL ON TWR FREQ WITH NO TA.

Narrative: UPON TKOF FROM RWY 13 SGJ; CLRED TO A R TURN TO 270 DEGS UP TO 2000 FT; AT 1700 FT THROUGH ABOUT 220 DEG HDG; OBSERVED OTHER ACFT JUST ABOVE L WING TRAVELING N. ACFT PASSED OVER WITHIN 25-50 FT. ATC ADVISED ACFT WAS NOT SUPPOSED TO BE THERE AND HIS PREVIOUS RPTS OF LOCATION WERE INACCURATE.

Data retrieved from NASA's ASRS site as of January 2009 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.