ASN Wikibase Occurrence # 132138
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| Date: | Sunday 3 March 1991 |
| Time: | 20:30 LT |
| Type: |  Beechcraft F33A Bonanaza |
| Owner/operator: | Stephen Grady |
| Registration: | N77Y |
| MSN: | CE-920 |
| Total airframe hrs: | 1820 hours |
| Engine model: | CONTINENTAL IO-520 |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | West Brookfield, MA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Nantucket, MA (ACK |
| Palmer, MA (KPMX) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
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.
Probable Cause: 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.
Accident investigation:
 |
|
Sources:
NTSB NYC91FA080
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Apr-2024 08:00 | ASN Update Bot | Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Accident report] |
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