NTSB CAROL · Event
Event OAK67A0011
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 UH-12E · N9759C
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EH
Operator type
Public use
Kind of flying
CT
Weather at impact
Sky
CLEAR
Wind
045° / 15 kt
Temp
70° F
Aircraft history
Total time
876 hrs
Pilot
Certificate
Commercial
Total hours
9,180
Age
43
Probable cause (from PRE1982.MDB)
PERSONNEL-GRND CREW DID NOT PROPRLY CLEAR LDG AREA
Investigator remarks
DRY LOG ON HELISPOT WAS SUCKED INTO TAIL ROTOR.
Cause factors
- 84/A/J A MISCELLANEOUS WRITTEN CAUSE Cause — pilot/personnel action
- 84/A/D A MISCELLANEOUS FOREIGN OBJECT DAMAGE Cause — pilot/personnel action
- 83/J/D J TERRAIN HIGH VEGETATION 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
2 0673.
Source file
NTSB_1966_2_0673.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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