Narrative:

I was on an IFR clearance from bna to crw, direct at 9000 ft. ATC informed me that my transponder signal was not readable, and to report 75 mi from crw. Approximately 3 mins later, all electrical system failed. I attempted to contact ZID with a hand-held radio without success. Using the radio, I tuned to hazard VOR and flew directly there, as my map indicated this was the closest field in VFR conditions. (Crw was IFR.) I made a controled landing at the field, contacted ATC to cancel my IFR clearance via telephone. The problem occurred due to a slipping alternator belt. The turbulence at altitude prevented me from detecting the failure on the alternator gauge, which drained the battery. I discovered the condition when all electrical system failed. The only corrective action I could think of would be to install a digital gauge, in lieu of the steam gauge, for positive charging identify.

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Original NASA ASRS Text

Title: C182 PLT HAD ACFT GENERATOR FAILURE ON ZID CLASS E. PLT FOLLOWED LOSS OF COM PROCS PROPERLY.

Narrative: I WAS ON AN IFR CLRNC FROM BNA TO CRW, DIRECT AT 9000 FT. ATC INFORMED ME THAT MY XPONDER SIGNAL WAS NOT READABLE, AND TO RPT 75 MI FROM CRW. APPROX 3 MINS LATER, ALL ELECTRICAL SYS FAILED. I ATTEMPTED TO CONTACT ZID WITH A HAND-HELD RADIO WITHOUT SUCCESS. USING THE RADIO, I TUNED TO HAZARD VOR AND FLEW DIRECTLY THERE, AS MY MAP INDICATED THIS WAS THE CLOSEST FIELD IN VFR CONDITIONS. (CRW WAS IFR.) I MADE A CTLED LNDG AT THE FIELD, CONTACTED ATC TO CANCEL MY IFR CLRNC VIA TELEPHONE. THE PROB OCCURRED DUE TO A SLIPPING ALTERNATOR BELT. THE TURB AT ALT PREVENTED ME FROM DETECTING THE FAILURE ON THE ALTERNATOR GAUGE, WHICH DRAINED THE BATTERY. I DISCOVERED THE CONDITION WHEN ALL ELECTRICAL SYS FAILED. THE ONLY CORRECTIVE ACTION I COULD THINK OF WOULD BE TO INSTALL A DIGITAL GAUGE, IN LIEU OF THE STEAM GAUGE, FOR POSITIVE CHARGING IDENT.

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.