Incident Overview
A pilot experienced a loss of electrical power during nighttime operations. In response, the pilot executed a precautionary landing on an unlighted runway. The pilot noted that it was 'difficult to see' and the airplane touched down midfield. During the rollout, the airplane collided with a runway light, subsequently overran the runway's departure end, and came to rest in a ditch.
Pilot Report
The pilot reported that the loss of electrical power occurred at night. The decision was made to land on an unlighted runway as a precaution. The pilot described the visibility as 'difficult to see,' which contributed to the midfield touchdown. After landing, the airplane struck a runway light and continued beyond the runway end into a ditch.
Post-Accident Inspection
An FAA airworthiness inspector examined the airplane's electrical system. The inspection revealed no mechanical problems except that the alternator's drive belt was found to be 'extremely loose.' No other issues were noted.
Operational History
A review of the airplane's maintenance records and the pilot's report indicated that since the completion of the last annual inspection, the airplane had been operated for two days, during which it was flown for a total of five hours.