NTSB CAROL · Event
Event CHI74AC057
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
PIPER PA-23 · N6764Y
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dusk
Weather
IMC
Phase of flight
EE
Operator type
E
Airport
KOKOMO MUNI
Kind of flying
CI
Weather at impact
Sky
OVERCAST
Wind
040° / 11 kt
Temp
24° F
Aircraft history
Serial number
0000027-4094
Total time
2,628 hrs
Pilot
Certificate
DA (DA)
Total hours
3,379
Age
29
Probable cause (from PRE1982.MDB)
11IN SNOW.NO DEICING EQUIP.FCST ICING CONDITIONS.
Investigator remarks
150FT WIDE RWY PLOWED ONLY TO 55FT WIDTH.T/D IN
Cause factors
- 64/C/01 C PILOT IN COMMAND ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT Cause
- 64/C/20 C PILOT IN COMMAND FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. Cause
- 88/C/75 C MISCELLANEOUS ACTS,CONDITIONS ICE-WINDSHIELD Cause
- 68/C/H2 C PERSONNEL IMPROPER/INADEQUATE SNOW REMOVAL Cause
- 68/C/H1 C PERSONNEL FAILURE TO NOTIFY OF UNSAFE COND/AND OR FAILURE TO MARK OBSTRUCTION Cause
- 68/L/E2 L PERSONNEL INADEQUATE SUPERVISION OF FLIGHT CREW
- 88/K/94 K MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Joint factor
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 0385.
Source file
NTSB_1974_3_0385.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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