NTSB CAROL · Event
Event LAX69D0041
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
BELL 47G3B1 · N1110J
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dusk
Weather
VMC
Phase of flight
Takeoff — initial climb (C1)
Operator type
E
Airport
BORON
Kind of flying
CI
Weather at impact
Sky
CLEAR
Aircraft history
Total time
1,264 hrs
Pilot
Certificate
Flight instructor (CFI)
Total hours
2,000
Age
35
Probable cause (from PRE1982.MDB)
T INSTALLED DUE TO ERROR IN PARTS MANUAL.
Investigator remarks
IMPROPERLY INSTALLED ROLLER BEARING.SNAP RING NO
Cause factors
- 78/A/AH A ROTORCRAFT BEARINGS Cause — pilot/personnel action
- 88/A/CB A MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY INSTALLED Cause — pilot/personnel action
- 78/A/BG A ROTORCRAFT TAIL ROTOR DRIVE SHAFT ASSEMBLY Cause — pilot/personnel action
- 88/A/36 A MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause — pilot/personnel action
- 68/A/J6 A PERSONNEL OTHER 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 2096.
Source file
NTSB_1968_3_2096.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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