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Atlas / NTSB / UNK64X0125

NTSB CAROL · Event

Event UNK64X0125

1964-01-03 COLUSA, California, United States None 1 aircraft Status: Completed

Registry · N56205

FAA Aircraft Registry record.

Make / Model

BOEING A75N1(PT17)

Year of manufacture

1940 · 24 years old at event

Engine

P&W R-985 SERIES (450 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19830607

ADS-B equipped

Yes — Mode-S A730CE

Registrant of record

ETCHELL BRUCE R

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

BOEING A75N1 · N56205

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

D

Kind of flying

CB

Weather at impact

Pilot

Certificate

Commercial

Total hours

2,000

Age

38

Cause factors

  • 64/C/22 C
    PILOT IN COMMAND IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS 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 0018. Source file NTSB_1964_3_0018.txt. Modern CAROL record on data.ntsb.gov ↗.