NTSB CAROL · Event
Event LAX71FUA31
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
HILLER ACFT UH12L4 · N86690
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
D1
Operator type
Business
Airport
FULLERTON
Kind of flying
B3
Weather at impact
Sky
OVERCAST
Wind
050° / 4 kt
Aircraft history
Serial number
000000002549
Total time
1,901 hrs
Pilot
Certificate
Commercial
Total hours
2,489
Age
26
Probable cause (from PRE1982.MDB)
LE ON PRE-FLT.OIL NOT PUMPED OVBD TIL ENG RUNNING.
Investigator remarks
DRAIN VALVE LEFT OPEN DURING OIL CHNG. NOT VISIB
Cause factors
- 74/C/DC C POWERPLANT VALVES Cause
- 88/C/29 C MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY SECURED Cause
- 88/C/81 C MISCELLANEOUS ACTS,CONDITIONS OIL EXHAUSTION-ENGINE LUBRICATION SYSTEM Cause
- 88/C/97 C MISCELLANEOUS ACTS,CONDITIONS OIL STARVATION Cause
- 68/C/D2 C PERSONNEL IMPROPERLY SERVICED AIRCRAFT (GROUND CREW) 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 4488.
Source file
NTSB_1970_3_4488.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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