NTSB Identification: FTW88LA098.
The docket is stored on NTSB microfiche number 37785.
Accident occurred Sunday, May 08, 1988 in SOUR LAKE, TX
Probable Cause Approval Date: 12/03/1989
Aircraft: CESSNA 170, registration: N3853V
Injuries: 2 Serious,1 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE ACFT STRUCK TREES AND THE GRND DURING A NIGHT CROSS COUNTRY IN MARGINAL WEATHER. THE NON-INSTRUMENT RATED PVT PLT STATED THAT HE WAS FLYING IN CRUISE FLT AT 1250' MSL WHEN HE HIT TREES. THE CLOSEST WX STATION RECORDED 1200 OVERCAST WITH 5 MILES VISIBILITY, TEMP 74, DEW PT 70. THE AREA OF THE ACCIDENT SITE WAS SPARSELY POPULATED AND KNOWN TO DEVELOP FOG AND RAGGED CEILINGS DURING SIMILAR CONDITIONS. THE ACDT SITE ELV WAS 15' AND THE TREES WERE 60-100' TALL. PLT RPTD THAT HIS ALTIMETER MALFUNCTIONED, HOWEVER, POST-ACCIDENT EXAMINATION AND TESTING DID NO REVEAL ANY FAILURE OR MALFUNCTION IN THE LOWER ALTITUDES. ALTIMETER WAS LAST CALIBRATED AND TESTED 17 YRS PRIOR TO THE ACCIDENT. THE SURVIVORS WERE LOCATED ABOUT 16 HRS AFTER THE ACCIDENT.

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

PROPER ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND

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

FLIGHT INTO KNOWN ADVERSE WEATHER..PERFORMED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..FOG



Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

LACK OF TOTAL EXPERIENCE..PILOT IN COMMAND


Contributing Factors

NOT PERFORMED..PILOT IN COMMAND

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