NTSB CAROL · Event
Event SEA78DYE26
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 UH12EJ · N110EH
Damage
Destroyed
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
C8
Operator type
Public use
Kind of flying
CS
Weather at impact
Sky
UNKNOWN/NOT REPORTED
Wind
030° / 10 kt
Temp
50° F
Aircraft history
Serial number
000000HA3065
Total time
700 hrs
Pilot
Certificate
Flight instructor (CFI)
Total hours
3,095
Age
38
Probable cause (from PRE1982.MDB)
LE & CAME FREE. HOOK WAS SLUNG INTO M/R BLADES.
Investigator remarks
EXTERNAL CABLE HOOK CAUGHT TREE TOP,EXTENDED CAB
Cause factors
- 64/C/54 C PILOT IN COMMAND MISJUDGED CLEARANCE Cause
- 84/C/G C MISCELLANEOUS FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS Cause
- 68/L/E5 L PERSONNEL DEFICIENCY,COMPANY MAINTAINED EQPMT,SERVICES,REGULATION
- 83/L/I L TERRAIN HIGH OBSTRUCTIONS
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 1366.
Source file
NTSB_1978_3_1366.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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