Atlas / NTSB / LAX74DVA50

NTSB CAROL · Event

Event LAX74DVA50

1974-03-29 PIXLEY, California, United States None 1 aircraft Status: Completed

Registry · N54291

FAA Aircraft Registry record.

Make / Model

CESSNA 172P

Year of manufacture

1981

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19810505

ADS-B equipped

Yes — Mode-S A6E307

Registrant of record

FLIGHT SCHOOL OF GWINNETT INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N54291 Stearman A75 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

STEARMAN A75 · N54291

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DN

Operator type

Part 135 (air taxi/commuter)

Airport

HARMON

Kind of flying

CB

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Temp

70° F

Aircraft history

Serial number

0000075-4369

Total time

6,998 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

15,000

Age

66

Investigator remarks

CRKSHFT FAILED DUE FATIGUE. PROP SEPARATED.

Cause factors

74/C/AB C
POWERPLANT CRANKSHAFT Cause
88/C/36 C
MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause
83/K/A K
TERRAIN WET,SOFT GROUND 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 3 0738. Source file NTSB_1974_3_0738.txt. Modern CAROL record on data.ntsb.gov ↗.

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