NTSB CAROL · Event
Event ANC70FAG21
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
CESSNA 150H · N23147
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
D1
Operator type
D
Kind of flying
B0
Weather at impact
Sky
SCATTERED-ABOVE 1000 FEET
Wind
180° / 8 kt
Temp
35° F
Aircraft history
Serial number
000150-68753
Total time
94 hrs
Pilot
Certificate
Commercial — instrument
Total hours
297
Age
45
Probable cause (from PRE1982.MDB)
TL WIRE BROKE FR REPEATED BENDING.
Investigator remarks
CLAMP P/N0450311C OVERTORQUED,WOULD NOT SWIVEL.C
Cause factors
- 88/C/72 C MISCELLANEOUS ACTS,CONDITIONS ICE-CARBURETOR Cause
- 68/C/D6 C PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
- 75/C/DE C SYSTEMS CARBURETOR DE-ICING SYSTEM Cause
- 88/C/95 C MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
- 88/C/CB C MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY INSTALLED Cause
- 83/B/B B TERRAIN SNOW-COVERED
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 2276.
Source file
NTSB_1970_3_2276.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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