NTSB Identification: NYC91FA080.
The docket is stored on NTSB microfiche number 43093.
Accident occurred Sunday, March 03, 1991 in WEST BROOKFIELD, MA
Probable Cause Approval Date: 05/05/1993
Aircraft: BEECH F-33A, registration: N77Y
Injuries: 2 Serious,2 Minor.
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 AIRPLANE STRUCK TREES ON UNLIGHTED, RISING TERRAIN AFTER FLYING AN INSTRUMENT APPROACH TO TONE AIRPORT AND ATTEMPTING TO PROCEED TO ANOTHER AIRPORT. THE ACCIDENT OCCURRED 700 FEET BELOW APPROACH MINIMUMS AND 6 MILES AWAY FROM THE INSTRUMENT APPROACH AIRPORT AT NIGHT WITH RAIN AND LOW CLOUDS PRESENT. RADAR DATA SHOWED THE AIRPLANE OPERATING BELOW THE MINIMUM ALTITUDES FOR THE INSTRUMENT APPROACH AND NOT FOLLOWING THE PUBLISHED APPROACH PROCEDURE. THE PILOT SAID HE DECIDED TO TURN BACK TO THE FIRST AIRPORT AND IN THE PROGRESS THE AIRPLANE STRUCK RISING TERRAIN. THE PILOT SAID THERE WERE NO PROBLEMS WITH THE ENGINE OR AIRFRAME.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: THE DECISION OF THE PILOT TO FLY THE AIRPLANE IN CONDITIONS THAT PREVENTED HIM FROM SEEING AND AVOIDING HIGHER TERRAIN. FACTORS RELATED TO THE ACCIDENT WERE THE PILOT'S DECISION TO NOT FOLLOW THE INSTRUMENT APPROACH INTO PALMER, AND THE REDUCED VISIBILITY DUE TO RAIN, FOG AND NIGHT.
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