NTSB CAROL · Event
Event CHI68F0509
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 411A · N4934T
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EE
Operator type
Personal/private
Airport
CAIRO
Kind of flying
B2
Weather at impact
Sky
CLEAR
Aircraft history
Total time
14 hrs
Pilot
Certificate
Commercial
Total hours
8,700
Age
46
Probable cause (from PRE1982.MDB)
NNUAL INSPECTION CONDUCTED 8 HRS PREVIOUSLY.
Investigator remarks
LEFT LNDG GEAR BRACE LINK CENTER JOINT FROZEN. A
Cause factors
- 70/A/CB A AIRFRAME NORMAL RETRACTION/EXTENSION ASSEMBLY Cause — pilot/personnel action
- 70/A/CC A AIRFRAME EMERGENCY/EXTENSION ASSEMBLY Cause — pilot/personnel action
- 88/A/BA A MISCELLANEOUS ACTS,CONDITIONS BINDING Cause — pilot/personnel action
- 88/A/80 A MISCELLANEOUS ACTS,CONDITIONS LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM Cause — pilot/personnel action
- 68/A/D0 A PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) 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 4325.
Source file
NTSB_1967_3_4325.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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