Event CHI66A0100

1966-06-17 CHICAGO, Illinois, United States None 1 aircraft Status: Completed

Aircraft involved

N2044 Convair CV-440 None

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

CONVAIR CV-440 · N2044

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dusk

Weather

IMC

Phase of flight

D0

Weather at impact

Sky

CLEAR

Wind

230° / 5 kt

Temp

60° F

Aircraft history

Total time

21,492 hrs

Pilot

Certificate

ZA (ZA)

Total hours

14,078

Probable cause (from PRE1982.MDB)

PROPER TORQUING AND SEVERED PROP FEATHERING LINE.

Investigator remarks

NO.6 CYL ON NO.1 ENG FAILED AT MTG FLANGE DUE IM

Cause factors

74/C/AD C
POWERPLANT CYLINDER ASSEMBLY Cause
88/C/AV C
MISCELLANEOUS ACTS,CONDITIONS LOOSE,PART/FITTING Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
68/C/D0 C
PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause
68/C/D4 C
PERSONNEL INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL) Cause
88/K/51 K
MISCELLANEOUS ACTS,CONDITIONS FIRE IN ENGINE 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 1 0039. Source file NTSB_1966_1_0039.txt. Modern CAROL record on data.ntsb.gov ↗.

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