NTSB CAROL · Event
Event OAK78FVM07
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
PIPER PA-31 · N59721
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
Cruise — descent (EF)
Operator type
E
Airport
SAN FRANCISCO INT
Kind of flying
CI
Weather at impact
Sky
BROKEN
Wind
060° / 20 kt
Aircraft history
Serial number
0031-7552121
Total time
2,005 hrs
Pilot
Certificate
DA (DA)
Total hours
3,241
Age
31
Cause factors
- 64/A/39 A PILOT IN COMMAND FAILED TO ASSURE THE GEAR WAS DOWN AND LOCKED Cause — pilot/personnel action
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 4055.
Source file
NTSB_1977_3_4055.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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