Accident Aero Commander 500 N6239B, Monday 17 January 1983

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Date:	Monday 17 January 1983
Time:	19:25 LT
Type:	Aero Commander 500
Owner/operator:	Naike Hyles Air Express
Registration:	N6239B
MSN:	500-649-11
Engine model:	Lycoming O-540-A2B
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Dixon, CA - United States of America
Phase:	En route
Nature:	Unknown
Departure airport:	Reno, NV (KRNO)
Destination airport:	Hayward, CA (KHWD)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
REPORTEDLY, THE ACFT WAS ON AN AIR TAXI CARGO FLT, OPERATED BY AIR EXPRESS, HAYWARD, CA. THE ACFT REPORTEDLY DEPARTED RENO, NV WITHOUT A FLT PLAN FOR A FLT TO SACRAMENTO & HAYWARD, CAL. WHILE EN ROUTE, THE ACFT HAD AN ELECTRICAL FAILURE. THE PLT STATED THAT HE TURNED OFF ALL UNNECESSARY ELECTRICAL EQUIPMENT & WHEN HE WAS APPROACHING TRAVIS AFB, HE TURNED ON 1 RADIO & REQUESTED A PART APPROACHTO LAND. HOWEVER, WHILE RECEIVING VECTORS, HE LOST RADIO CONTACT & ELECTED TO LAND ON A ROAD. DURING THE LANDING, A WING OF THE ACFT HIT A TELEPHONE POLE. THE WX AT TRAVIS WAS 400 FT OVERCAST, VISIBILITY 1 3/4 MI WITH FOG. AN INVESTIGATION REVEALED THAT THE RIGHT GENERATOR ARMATURE LEAD HAD BEEN REMOVED & WAS INSULATED FROM ELECTRICAL CONTACT. THE LEFT GENERATOR ARMATURE LEAD HAD BROKEN LOOSE & THE BATTERY HAD BECOME DISCHARGED. THE OPERATOR DID NOT SUBMIT AN ACCIDENT REPORT, SO THE TYPE OF OPERATION IS PRESUMED.

Probable Cause:

Accident investigation: