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Atlas / NTSB / CHI74AC057

NTSB CAROL · Event

Event CHI74AC057

1974-01-10 KOKOMO, Indiana, United States Minor 1 aircraft Status: Completed

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 ↗.