NTSB Identification: BFO88FA011.
The docket is stored on NTSB microfiche number 37447.
Accident occurred Friday, December 25, 1987 in KEYMAR, MD
Probable Cause Approval Date: 05/26/1989
Aircraft: CHAMPION 7ECA, registration: N11089
Injuries: 1 Fatal,1 Serious.

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.

WITNESSES HEARD AND OBSERVED THE AIRCRAFT TAKEOFF, BANK TO THE LEFT, AND NOSE DOWN INTO THE ADJOINING DIRT FIELD WITH NO CHANGE IN ENGINE SOUND. EXAM OF THE WRECKAGE REVEALED THAT AN ELEVATOR CABLE HAD SEPARATED AT A POINT WHERE GROUNDING STRAP WAS FOUND TO BE HANGING LOOSE FROM THE BATTERY BOX. BOTH THE CABLE AND THE STRAP WERE FOUND TO HAVE EVIDENCE OF ARCING AND EACH CONTAINED ELEMENTS ASSOCIATED WITH THE OTHER IN THE AREA WHERE THE ARCING DAMAGE WAS FOUND.

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

MAINTENANCE,MODIFICATION..IMPROPER..PILOT IN COMMAND

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

ELECTRICAL SYSTEM,ELECTRIC WIRING..ARCING

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

FLT CONTROL SYST,ELEVATOR CONTROL CABLE/ROD..SEPARATION

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