Narrative:

Upon arriving at louisville, approach control appeared to be busy with inbound traffic. I said I could hold northeast of the field until the traffic flow eased up. I canceled IFR and orbited northeast of sdf approximately 15-20 NM, VFR. WX was cavu. ATC advised me to stay above 3500 ft MSL until some traffic cleared, then that restr was deleted. I descended to approximately 1000-1500 ft AGL and my airspeed was between 210-250 KTS. Transponder code was 1200 and mode C was on during the orbit. At one point during my orbit, ATC advised me I was approaching class C airspace to the southwest. I made an aggressive l-hand turn back to the northeast so as not to penetrate bowman's class C airspace. I do not remember exactly, but I probably selected after burner so as not to get too slow and as I was looking outside, I could not be sure of my exact altitude, but it appeared to be above 1000 ft AGL. A slight altitude deviation may have occurred during the turn, as I was heads outside clearing. ATC was flight following me the entire time, and when the traffic flow seemed to slow down, I asked to pick up an IFR clearance while on a northeast heading. After contacting departure control, I was advised of a phone number to contact the watch supervisor upon landing at home base. I thought at the time this might have something to do with the class C airspace advisory or the possible altitude deviation that may have occurred during my turn. More attention should have been paid to my instruments even though it was VFR and I was trying to clear my flight path.

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Original NASA ASRS Text

Title: MIL FGT PLT WHILE HOLDING VFR OUTSIDE CLASS C AIRSPACE AWAITING AN IFR CLRNC FOR TRAINING, HAS ALTDEV AND IS ALERTED TO PROX TO THE CLASS C.

Narrative: UPON ARRIVING AT LOUISVILLE, APCH CTL APPEARED TO BE BUSY WITH INBOUND TFC. I SAID I COULD HOLD NE OF THE FIELD UNTIL THE TFC FLOW EASED UP. I CANCELED IFR AND ORBITED NE OF SDF APPROX 15-20 NM, VFR. WX WAS CAVU. ATC ADVISED ME TO STAY ABOVE 3500 FT MSL UNTIL SOME TFC CLRED, THEN THAT RESTR WAS DELETED. I DSNDED TO APPROX 1000-1500 FT AGL AND MY AIRSPD WAS BTWN 210-250 KTS. XPONDER CODE WAS 1200 AND MODE C WAS ON DURING THE ORBIT. AT ONE POINT DURING MY ORBIT, ATC ADVISED ME I WAS APCHING CLASS C AIRSPACE TO THE SW. I MADE AN AGGRESSIVE L-HAND TURN BACK TO THE NE SO AS NOT TO PENETRATE BOWMAN'S CLASS C AIRSPACE. I DO NOT REMEMBER EXACTLY, BUT I PROBABLY SELECTED AFTER BURNER SO AS NOT TO GET TOO SLOW AND AS I WAS LOOKING OUTSIDE, I COULD NOT BE SURE OF MY EXACT ALT, BUT IT APPEARED TO BE ABOVE 1000 FT AGL. A SLIGHT ALTDEV MAY HAVE OCCURRED DURING THE TURN, AS I WAS HEADS OUTSIDE CLRING. ATC WAS FLT FOLLOWING ME THE ENTIRE TIME, AND WHEN THE TFC FLOW SEEMED TO SLOW DOWN, I ASKED TO PICK UP AN IFR CLRNC WHILE ON A NE HDG. AFTER CONTACTING DEP CTL, I WAS ADVISED OF A PHONE NUMBER TO CONTACT THE WATCH SUPVR UPON LNDG AT HOME BASE. I THOUGHT AT THE TIME THIS MIGHT HAVE SOMETHING TO DO WITH THE CLASS C AIRSPACE ADVISORY OR THE POSSIBLE ALTDEV THAT MAY HAVE OCCURRED DURING MY TURN. MORE ATTN SHOULD HAVE BEEN PAID TO MY INSTS EVEN THOUGH IT WAS VFR AND I WAS TRYING TO CLR MY FLT PATH.

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.