NTSB Identification: LAX83FUM06.
The docket is stored on NTSB microfiche number 21375.
Accident occurred Saturday, June 04, 1983 in SAN CLEMENTE, CA
Aircraft: CESSNA 172RG, registration: N4789R
Injuries: 1 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 ACFT CRASHED ON SAN CLEMENTE ISLAND DURING A FISH SPOTTING FLT ON A DARK NIGHT. THESE FLTS ARE USUALLY FLOWN AT AN ALT OF 1000-2000 FT AGL. A NAVY WITNESS ON THE ACCIDENT ISLAND SAID THE CEILING WAS ZERO AND THE VISIBILITY ABOUT 200 YARDS AT THE ACCIDENT SITE ABOUT 40 MINUTES BEFORE THE ESTIMATED TIME OF THE CRASH. THE PILOT WAS SERIOUSLY INJURED AND THE ACFT DESTROYED IN THE ACCIDENT. THE ACFT WAS NOT FOUND UNTIL 1415 HOURS ON JUNE 5. THE PILOT WAS HOSPITALIZED UNTIL JUNE 11 AND DOES NOT REMEMBER THE ACCIDENT. THE ELEVATION OF THE ACCIDENT SITE IS 1060 FT MSL.

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:

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

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

ALTITUDE..INADEQUATE..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..RISING


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

WEATHER CONDITION..OBSCURATION

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