NTSB Identification: NYC86FA111.
The docket is stored on NTSB microfiche number 32872.
Accident occurred Tuesday, April 22, 1986 in SPRING VALLEY, NY
Aircraft: PIPER PA-28-140, registration: N44331
Injuries: 2 Serious.

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 PAX STATED THAT HE & THE PLT WERE AT A BAR WHERE THEY HAD ABOUT THREE BEERS RPIOR TO THIS FLIGHT. DURING THE FLIGHT THE PILOT DID SEVERAL STALLS AND SOME AEROBATIC MANEUVERS. THE PAX WAS UNNERVED AND TOLD THE PLT THAT HE WANTED TO RETURN TO THE ARPT. DURING THE FINAL APCH LEG TO THE ARPT THE PLT UNDERSHOT THE RWY AND THE ACFT COLLIDED WITHTREES LOCATED ABOUT 475 FT FROM AND BELOW THE ELEVATION OF THE RWY. A WITNESS SAW THE ACFT APCH THE ARPT IN A NORMAL MANNER WITH THE ENGINE RUNNING BEFORE THE COLLISION. THE PLT WAS COMATOSE FOR SEVERAL DAYS AFTERWARDS AND HAS NO RECOLLECTION OF THE ACCIDENT. THE PAX REPORTED NO PROBLEM WITH THE ACFT BEFORE THE ACCIDENT. EXAM OF THE ACFT DID NOT DISCLOSE EVIDENCE OF MALFUNCTION. THE BAROMETERIC PRESSURE WAS 29.75. THE ALTIMETER WAS SET TO 30.40. ACCORDING TO THE PLT'S LOGBOOK, THE PLT'S LAST FLT AND LAST NIGHT FLT WERE RESPECTIVELY 6 AND 5.5 MONTHS BEFORE THE ACCIDENT DATE. A BLOOD ALCOHOL TEST WAS NOT PERFORMED ON THE PLT BECAUSE OF HIS INJURIES.

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

ALTITUDE..MISJUDGED..PILOT IN COMMAND

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

WING..SEPARATION

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

CLEARANCE..NOT MAINTAINED..PILOT IN COMMAND

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

DISTANCE..MISJUDGED..PILOT IN COMMAND


Contributing Factors

OBJECT..TREE(S)


Contributing Factors

LIGHT CONDITION..NIGHT


Contributing Factors

TOTAL..PILOT IN COMMAND

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