NTSB CAROL · Event
Event ANC77DAG76
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 47GB3 · N8521F
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EH
Operator type
D
Kind of flying
B2
Weather at impact
Sky
CLEAR
Aircraft history
Serial number
000000002783
Total time
4,476 hrs
Pilot
Certificate
Airline transport
Total hours
130
Age
31
Cause factors
- 64/A/15 A PILOT IN COMMAND FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS 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 4280.
Source file
NTSB_1977_3_4280.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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