Atlas / NTSB / CHI78FEE42

NTSB CAROL · Event

Event CHI78FEE42

1978-06-04 OAK BROOK, Illinois, United States Minor 1 aircraft Status: Completed

Aircraft involved

N64993 Stearman B75N1 Minor

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

STEARMAN B75N1 · N64993

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

D

Airport

OAK BROOK RLA

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

020° / 2 kt

Temp

52° F

Aircraft history

Serial number

0000012-1261

Total time

5,360 hrs

Pilot

Certificate

Commercial — instrument

Total hours

1,080

Age

53

Investigator remarks

STRUCK INCLINE AT FDGE OF RWY.

Cause factors

64/C/21 C
PILOT IN COMMAND IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS Cause
88/C/02 C
MISCELLANEOUS ACTS,CONDITIONS ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE Cause
88/C/72 C
MISCELLANEOUS ACTS,CONDITIONS ICE-CARBURETOR Cause
82/L/G L
WEATHER CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING

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 4280. Source file NTSB_1978_3_4280.txt. Modern CAROL record on data.ntsb.gov ↗.

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