Atlas / NTSB / OAK66F0237

NTSB CAROL · Event

Event OAK66F0237

1966-04-25 COLUSA, California, United States None 1 aircraft Status: Completed

Registry · N57271

FAA Aircraft Registry record.

Make / Model

BOEING A75N1(PT17)

Year of manufacture

1940 · 26 years old at event

Engine

P&W R1340 SERIES (600 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19560425

ADS-B equipped

Yes — Mode-S A7593E

Registrant of record

3G CLASSIC AVIATION INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N57271 Boeing A-75N1 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

BOEING A-75N1 · N57271

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DH

Operator type

Part 135 (air taxi/commuter)

Kind of flying

CA

Weather at impact

Sky

CLEAR

Wind

180° / 7 kt

Temp

85° F

Aircraft history

Total time

1,242 hrs

Pilot

Certificate

Commercial

Total hours

7,500

Age

35

Investigator remarks

PROPELLER BLADE SEPARATED 9 INCHES FROM TIP

Cause factors

74/C/FA C
POWERPLANT BLADES Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE 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 0675. Source file NTSB_1966_3_0675.txt. Modern CAROL record on data.ntsb.gov ↗.

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