Atlas / NTSB / LAX75FUJ40

NTSB CAROL · Event

Event LAX75FUJ40

1974-10-16 CASA GRANDE, Arizona, United States None 1 aircraft Status: Completed

Registry · N4509C

FAA Aircraft Registry record.

Make / Model

CESSNA 170B

Year of manufacture

1952 · 22 years old at event

Engine

CONT MOTOR 0-300 SER (145 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19560405

ADS-B equipped

Yes — Mode-S A575B2

Registrant of record

REAMS THOMAS M

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N4509C Cessna 170B 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

CESSNA 170B · N4509C

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dusk

Weather

VMC

Phase of flight

EB

Operator type

D

Airport

CASA GRANDE MUNI

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

25453

Total time

4,114 hrs

Pilot

Certificate

Commercial

Total hours

1,700

Age

32

Investigator remarks

ENCOUNTERED HELICOPTER WAKE TURBC.

Cause factors

84/C/1 C
MISCELLANEOUS VORTEX TURBULENCE Cause
64/C/54 C
PILOT IN COMMAND MISJUDGED CLEARANCE 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 3349. Source file NTSB_1974_3_3349.txt. Modern CAROL record on data.ntsb.gov ↗.

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