NTSB Identification: NYC86FA049.
The docket is stored on NTSB microfiche number 31971.
Accident occurred Sunday, December 08, 1985 in PERU, MA
Aircraft: CESSNA 340A, registration: N36888
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.

DURING IFR FLIGHT AT 12000 FEET BOTH AIRCRAFT VACUUM PUMPS FAILED. AIRCRAFT DESCENDED IN RIGHT TURN OFF RADAR. WITNESSES OBSERVED AIRCRAFT AT LOW ALTITUDE ABOVE TREES, CIRCLE, MAKE STEEP LEFT TURN, CLIMB AND DESCEND TO GROUND.

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

VACUUM SYSTEM..FAILURE,TOTAL

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

IFR PROCEDURE..IMPROPER..PILOT IN COMMAND

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

FLIGHT/NAV INSTRUMENTS,ATTITUDE GYRO..INOPERATIVE

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

STALL..INADVERTENT..PILOT IN COMMAND


Contributing Factors

SPATIAL DISORIENTATION..PILOT IN COMMAND

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