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Atlas / NTSB / CHI68F0396

NTSB CAROL · Event

Event CHI68F0396

1967-10-22 MOWEAQUA, Illinois, United States Serious 1 aircraft Status: Completed

Registry · N40114

FAA Aircraft Registry record.

Make / Model

STINSON 108

Engine

FRANKLIN 6A4150 SERIES (150 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19550820

ADS-B equipped

Yes — Mode-S A4B2F0

Registrant of record

REVES SAMUEL S

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

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

STINSON 108 · N40114

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dusk

Weather

VMC

Phase of flight

D1

Operator type

D

Airport

MOWEAQUA-HILVETY

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Total time

1,535 hrs

Pilot

Certificate

Commercial — instrument

Total hours

332

Age

23

Investigator remarks

CRANKSHAFT PROPELLER BOLT FLANGE FAILED.

Cause factors

  • 74/C/AB C
    POWERPLANT CRANKSHAFT Cause
  • 88/C/36 C
    MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause
  • 83/K/F K
    TERRAIN ROUGH/UNEVEN Joint factor
  • 88/L/49 L
    MISCELLANEOUS ACTS,CONDITIONS SEPARATION IN FLIGHT

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 2 0785. Source file NTSB_1967_2_0785.txt. Modern CAROL record on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗