NTSB CAROL · Event
Event ANC72AA007
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 47-J2A · N8543F
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EE
Operator type
E
Airport
KING SALMON
Kind of flying
CI
Weather at impact
Sky
CLEAR
Aircraft history
Serial number
000000003325
Total time
2,486 hrs
Pilot
Certificate
DA (DA)
Total hours
3,831
Age
32
Probable cause (from PRE1982.MDB)
FAILED,ACFT HIT IN TAIL LOW ATTITUDE.
Investigator remarks
PLT FELT VIBRTN ON LEVEL OFF,CYCLIC CTL BRACKET
Cause factors
- 78/C/C0 C ROTORCRAFT CYCLIC PITCH CONTROL SYSTEM Cause
- 88/L/95 L MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE
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 2717.
Source file
NTSB_1971_3_2717.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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