Atlas / NTSB / CHI70FBD36

NTSB CAROL · Event

Event CHI70FBD36

1970-05-23 ADDISON, Illinois, United States Serious 1 aircraft Status: Completed

Aircraft involved

N173V N.AMERICAN SNJ-4 Serious

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

N.AMERICAN SNJ-4 · N173V

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

D

Airport

MITCHELL

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

060° / 6 kt

Temp

63° F

Aircraft history

Serial number

000088-13779

Total time

4,071 hrs

Pilot

Certificate

Commercial — instrument

Total hours

1,654

Age

52

Probable cause (from PRE1982.MDB)

LINES,FITTINGS.BOTTLE CORK FOUND IN ELBOW FITTING

Investigator remarks

NON-PWRPLANT MECH RATED PLT-OWNER INSTALLED FUEL

Cause factors

68/C/D1 C
PERSONNEL IMPROPER MAINTENANCE (OWNER PERSONNEL) Cause
84/C/G C
MISCELLANEOUS FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS Cause
88/C/96 C
MISCELLANEOUS ACTS,CONDITIONS FUEL STARVATION 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 2241. Source file NTSB_1970_3_2241.txt. Modern CAROL record on data.ntsb.gov ↗.

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