Background
Prior to departure, the aircraft had approximately 40 gallons of fuel in the main tanks, and an additional 10 gallons was added to each auxiliary tank.
Flight
The pilot took off in hazy conditions for a short flight lasting approximately 10 minutes. While on the downwind leg for landing, the pilot switched the fuel supply from the auxiliary tanks to the main tanks.
Accident Sequence
As the aircraft turned onto the final approach, both engines experienced a simultaneous loss of power. The pilot was unable to restart the engines and subsequently landed the aircraft short of the runway. During the landing roll, the left main landing gear failed.
Post-Accident Examination
An examination of the engines and fuel system revealed no preimpact discrepancies. The right engine was started and operated normally. The left engine could not be started due to impact damage.