Atlas / NTSB / CHI69F0345

NTSB CAROL · Event

Event CHI69F0345

1968-10-15 WATERVLIET, Michigan, United States Minor 1 aircraft Status: Completed

Aircraft involved

N4893V Bellanca 17-30 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

BELLANCA 17-30 · N4893V

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — level (EA)

Operator type

D

Airport

WATERVLIET

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

220° / 20 kt

Temp

82° F

Aircraft history

Total time

23 hrs

Pilot

Certificate

Commercial — instrument

Total hours

725

Age

52

Probable cause (from PRE1982.MDB)

NDER SEAT OF METERING NEEDLE IN DISTRIBUTOR VALVE.

Investigator remarks

RICH MIXTURE DUE TO SLIVERS OF ALUMINUM LODGED U

Cause factors

88/C/34 C
MISCELLANEOUS ACTS,CONDITIONS ENGINE LOADED UP Cause
84/C/G C
MISCELLANEOUS FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS Cause
68/C/J1 C
PERSONNEL INCORRECT FACTORY INSTALLATION Cause
64/C/01 C
PILOT IN COMMAND ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT Cause
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 3726. Source file NTSB_1968_3_3726.txt. Modern CAROL record on data.ntsb.gov ↗.

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