Atlas / NTSB / SEA75AS007

NTSB CAROL · Event

Event SEA75AS007

1974-08-01 STEVENSON, Washington, United States Fatal 1 aircraft Status: Completed

Registry · N5149K

FAA Aircraft Registry record.

Make / Model

NAVION NAVION B

Year of manufacture

1950 · 24 years old at event

Engine

CONT MOTOR I0-470 SERIES (260 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19560528

ADS-B equipped

Yes — Mode-S A673E8

Registrant of record

NORTHWEST NAVION INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N5149K Navion B Fatal

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

NAVION B · N5149K

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

D

Airport

CASCADE LOCKS

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

230° / 10 kt

Temp

88° F

Aircraft history

Serial number

00NAV4-20498

Total time

2,261 hrs

Pilot

Certificate

Commercial — instrument

Total hours

179

Age

35

Investigator remarks

LND IN RIVER. PLT DROWNED.

Cause factors

64/C/29 C
PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause
64/C/32 C
PILOT IN COMMAND MISMANAGEMENT OF FUEL Cause
88/C/96 C
MISCELLANEOUS ACTS,CONDITIONS FUEL STARVATION Cause
88/L/19 L
MISCELLANEOUS ACTS,CONDITIONS INATTENTIVE TO FUEL SUPPLY
88/K/88 K
MISCELLANEOUS ACTS,CONDITIONS AIRCRAFT CAME TO REST IN WATER Joint factor
83/K/Y K
TERRAIN OTHER Joint factor

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 2731. Source file NTSB_1974_3_2731.txt. Modern CAROL record on data.ntsb.gov ↗.

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