NTSB Identification: ATL86FA081.
The docket is stored on NTSB microfiche number 30580.
Accident occurred Saturday, February 22, 1986 in GREENVILLE, TN
Probable Cause Approval Date: 02/09/1988
Aircraft: ROBINSON R22, registration: N90459
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.

THE FLT WAS LAST SEEN TO DEPART RWY 23 AT THE GREENVILLE ARPT & ENTER A LOW CLOUD LAYER AT NGT. A WITNESS ESTIMATED THE HELICOPTER ENTERED THE CLOUDS AT ABOUT 300 TO 400 FT AGL. NO FLT PLAN WAS FILED. THE WRECKAGE WAS FOUND THE NEXT DAY, LOCATED ABOUT 1/4 MI SOUTH OF THE EXTENDED RWY CENTERLINE. AN EXAM REVEALED THE INITIAL IMPACT WAS WITH A TREE. THE HELICOPTER THEN IMPACTED THE GROUND, APRX 75 FT DOWNHILL & NORTH OF THE INITIAL TREE IMPACT POINT. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND; HOWEVER, THE HELICOPTER WAS EXTENSIVELY DAMAGED (DESTROYED) WHEN IT CRASHED. THE PLT WAS NOT INSTRUMENT RATED. A TOXICOLOGY CHECK SHOWED ONLY A SLIGHT AMOUNT (375 NG/ML) OF BUTALBITAL IN THE PLT'S URINE. A CHECK OF HIS BLOOD WAS NEGATIVE FOR DRUGS/MEDICATION.

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

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND

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

AIRCRAFT HANDLING..NOT MAINTAINED..PILOT IN COMMAND

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

SPATIAL DISORIENTATION..PILOT IN COMMAND

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

VFR FLIGHT INTO IMC..INADVERTENT..PILOT IN COMMAND


Contributing Factors

OBJECT..TREE(S)


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

WEATHER CONDITION..CLOUDS


Contributing Factors

WEATHER CONDITION..LOW CEILING

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