Narrative:

While in contact with stockton approach, I experienced total radio, navigation, and transponder failure, presumably resulting from a short circuit in the electrical system. Using a hand- held radio, my safety pilot contacted ZOA canceling IFR, who eventually contacted stockton approach but with some delay, causing anxious moments at the TRACON facility. Although I tried squawking 7600, TRACON did not receive this. Center should have been alerted to contact stockton approach immediately. Also, transmitting on 121.5 would have been more effective. We proceeded VFR to home base without difficulty.

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Original NASA ASRS Text

Title: AN SMA LOST ITS ELECTRICAL SYS IN VMC.

Narrative: WHILE IN CONTACT WITH STOCKTON APCH, I EXPERIENCED TOTAL RADIO, NAV, AND XPONDER FAILURE, PRESUMABLY RESULTING FROM A SHORT CIRCUIT IN THE ELECTRICAL SYS. USING A HAND- HELD RADIO, MY SAFETY PLT CONTACTED ZOA CANCELING IFR, WHO EVENTUALLY CONTACTED STOCKTON APCH BUT WITH SOME DELAY, CAUSING ANXIOUS MOMENTS AT THE TRACON FACILITY. ALTHOUGH I TRIED SQUAWKING 7600, TRACON DID NOT RECEIVE THIS. CTR SHOULD HAVE BEEN ALERTED TO CONTACT STOCKTON APCH IMMEDIATELY. ALSO, XMITTING ON 121.5 WOULD HAVE BEEN MORE EFFECTIVE. WE PROCEEDED VFR TO HOME BASE WITHOUT DIFFICULTY.

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.