NTSB CAROL · Event
Event FTW81FRA46
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 UH-12E · N118HA
Damage
Destroyed
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
DD
Operator type
Part 135 (air taxi/commuter)
Airport
WHITES
Kind of flying
CB
Weather at impact
Sky
CLEAR
Wind
180° / 8 kt
Temp
90° F
Aircraft history
Serial number
000000HA3018
Total time
2,250 hrs
Pilot
Certificate
Commercial
Total hours
10,455
Age
37
Probable cause (from PRE1982.MDB)
STOP DSCNT.UNKN RSN.
Investigator remarks
LOST COLLECTIVE CTL,HEL BGN LOSING ALT,PLT UN TO
Cause factors
- 78/A/C1 A ROTORCRAFT COLLECTIVE PITCH CONTROL SYSTEM 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 2625.
Source file
NTSB_1981_3_2625.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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