NTSB CAROL · Event
Event OAK77FA059
Aircraft involved
Historical record (pre-1982)
NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.
Aircraft
CESSNA 172N · N733FZ
Damage
Destroyed
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
IMC
Phase of flight
D9
Operator type
Personal/private
Kind of flying
B0
Weather at impact
Sky
OBSCURATION
Aircraft history
Serial number
000017268273
Total time
475 hrs
Pilot
Certificate
Commercial — instrument
Total hours
105
Age
57
Probable cause (from PRE1982.MDB)
OVER CONSTANTLY CHANGING.TURN/BANK & WINDOWS INOP.
Investigator remarks
FLYING IN VICINITY VOLCANO ERUPTION AREA-CLOUD C
Cause factors
- 64/A/04 A PILOT IN COMMAND CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS Cause — pilot/personnel action
- 64/A/66 A PILOT IN COMMAND SPATIAL DISORIENTATION Cause — pilot/personnel action
- 82/J/V J WEATHER OBSTRUCTIONS TO VISION Joint cause
- 64/J/01 J PILOT IN COMMAND ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT Joint cause
Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.
Source: NTSB pre-1982 historical archive. Docket
3 3663.
Source file
NTSB_1977_3_3663.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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