NTSB Identification: NYC86FA068.
The docket is stored on NTSB microfiche number 32058.
Accident occurred Friday, January 31, 1986 in SUNDERLAND, MA
Probable Cause Approval Date: 03/04/1988
Aircraft: BEECH E55, registration: N6641A
Injuries: 1 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.

WITNESSES REPORTED SEEING THE ACFT DESCEND VERTICALLY IN A FLAT SPIN UNTIL IMPACT IN OPEN, FLAT TERRAIN. THE ACCIDENT OCCURRED APRX 45 MIN AFTER THE PLT HAD TAKEN OFF ON A LOCAL PROFICIENCY FLT. AFTER IMPACT, MOST OF THE AIRFRAME WAS DEMOLISHED BY FIRE. THE LEFT PROP WAS FND IN A FEATHERED POSITION, INDICATING THE ENG HAD BEEN SHUT DOWN BEFORE IMPACT. HOWEVER, NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE AIRFRAME OR ENG WAS FND DRG THE INVESTIGATION.

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

REASON FOR OCCURRENCE UNDETERMINED

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