NTSB Identification: CHI92FA220.
The docket is stored on NTSB microfiche number 48039.
Accident occurred Friday, July 31, 1992 in NORTHWOOD, ND
Probable Cause Approval Date: 08/26/1993
Aircraft: Beech V35B, registration: N8BL
Injuries: 3 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE ACCIDENT AIRPLANE COLLIDED WITH TERRAIN DURING INITIAL CLIMB FROM A PRIVATE LANDING STRIP. THE INTENDED DESTINATION WAS THE ANNUAL EAA FLY IN AT OSHKOSH, WISCONSIN. NIGHT VMC CONDITIONS PREVAILED. AN AURAL WITNESS HEARD WHAT HE DESCRIBED AS A 'REGULAR AIRPLANE ENGINE.' HE STATED IT STARTED RACING AND GOING REAL FAST AND THEN HE HEARD 'LITTLE POPS.' HE SAW THE SKY TURN ORANGE. SHORTLY AFTER THAT THE TOWN FIRE ALARM SOUNDED. THE PILOT OF THE ACCIDENT AIRPLANE WAS A DENTIST AND WORKED ALL THE PREVIOUS DAY. HE THEN FLEW A FOUR HOUR FLIGHT AND RETURNED TO THE DEPARTURE AIRPORT ABOUT 2230. THE ACCIDENT FLIGHT OCCURRED ABOUT 0310 THE FOLLOWING MORNING. THE RUNWAY USED WAS 1700 FEET LONG AND 45 FEET WIDE. A MATURE TREE LINE CROSSED THE EXTENDED CENTERLINE APPROXIMATELY 700 FEET SOUTH OF THE RUNWAY. THE AIRPLANE IMPACTED ABOUT 360 FEET SOUTHEAST OF THE DEPARTURE END OF THE RUNWAY. THE FLIGHT PATH WAS OVER UNLIGHTED FARMLAND AND THE MOON WAS BELOW THE HORIZON. NO MECHANICAL DEFECTS WERE DISCOVERED IN THE AIRPLANE OR POWERPLANT.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

SPATIAL DISORIENTATION OF THE PILOT IN COMMAND DURING INITIAL CLIMB.

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