Atlas / NTSB / CHI78FA017

NTSB CAROL · Event

Event CHI78FA017

1978-01-11 WEST CHICAGO, Illinois, United States None 1 aircraft Status: Completed

Aircraft involved

N38RM Beech G-18S 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

BEECH G-18S · N38RM

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dusk

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

E

Airport

DUPAGE COUNTY

Kind of flying

CJ

Weather at impact

Sky

CLEAR

Wind

240° / 4 kt

Aircraft history

Serial number

0000000BA574

Total time

7,790 hrs

Pilot

Certificate

DA (DA)

Total hours

3,831

Age

26

Probable cause (from PRE1982.MDB)

FT WAS OK.

Investigator remarks

MANAGING DIRECTOR STATED TO DIRECTOR OF MAINT AC

Cause factors

68/A/D0 A
PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause — pilot/personnel action
70/A/CA A
AIRFRAME MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC. Cause — pilot/personnel action
88/A/38 A
MISCELLANEOUS ACTS,CONDITIONS HYDRAULIC FAILURE Cause — pilot/personnel action
88/J/94 J
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Joint cause

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 4085. Source file NTSB_1978_3_4085.txt. Modern CAROL record on data.ntsb.gov ↗.

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