NTSB Identification: NYC87FA204.
The docket is stored on NTSB microfiche number 35339.
Accident occurred Tuesday, July 14, 1987 in LINCOLNVILLE, ME
Probable Cause Approval Date: 12/27/1988
Aircraft: PIPER PA-30, registration: N7617Y
Injuries: 4 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.

THE PLT WAS MAKING AN APPROACH TO KNOX COUNTY ARPT, ROCKLAND ME AND AFTER RECEIVING A WX REPORT FROM UNICOM THAT THE LOCAL WX WAS BELOW APPROACH MINIMUMS HE INDICATED THAT HE WOULD MAKE A MISSED APPROACH. THERE WAS NO FURTHER COMMUNICATIONS FROM THE ACFT. A WITNESS ON TOP OF BALD MOUNTAIN, NEAR THE ARPT, SAID THE FOG WAS VERY THICK AND THAT HE HEARD THE ACFT HIT THE MOUNTAIN. HE ALSO SAID THAT THE ACFT ENG WAS RUNNING SMOOTHLY AND HE HEARD NO SOUNDS OF MALFUNCTION. THE ACFT WAS FOUND APRX 15 MILES FROM THE ARPT ON A 30 DEGREE HEADING. THE PLT HAD EARLIER RECEIVED A REPORT THAT THE WX WAS BELOW MINIMUMS AND NO ACFT HAD ARRIVED AT THE DEST ARPT THAT MORNING. AN INSTRUCTOR WHO HAS GIVEN THE PLT INST TRNG SAID THAT HE OBSERVED A WEAKNESS IN MISSED APPRCH PLANNING DURING TRAINING BUT IT SEEMED TO HAVE BEEN CORRECTED AFTER TRAINING. THE POST ACC INVESTIGATION REVEALED NO EVIDENCE OF ACFT MALFUNCTION. NO EVIDENCE OF MEDICAL FACTOR INVOLVEMENT.

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

IN-FLIGHT PLANNING/DECISION..POOR..PILOT IN COMMAND

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

PROCEDURES/DIRECTIVES..NOT FOLLOWED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..FOG



Contributing Factors

WEATHER CONDITION..BELOW APPROACH/LANDING MINIMUMS


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY

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