Atlas / NTSB / SEA74DYE05

NTSB CAROL · Event

Event SEA74DYE05

1973-07-07 PORT TOWNSND, Washington, United States None 1 aircraft Status: Completed

Registry · N6014B

FAA Aircraft Registry record.

Make / Model

CESSNA 180D

Year of manufacture

1961 · 12 years old at event

Engine

CONT MOTOR O-470 SERIES (230 hp)

Seats / Engines

4 seats · 1 engine

ADS-B equipped

Yes — Mode-S A7CDDC

Registrant of record

HARDY BRADLEY D

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N6014B Cessna 180D 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 180D · N6014B

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

Personal/private

Airport

JEFFERSON COUNTY

Kind of flying

B2

Weather at impact

Sky

CLEAR

Temp

75° F

Aircraft history

Serial number

000018051052

Total time

3,500 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

870

Age

34

Probable cause (from PRE1982.MDB)

OLLAPSED.

Investigator remarks

AMPHIB.L FLOAT FRONT WHEEL ASSY FAILED.R FLOAT C

Cause factors

70/C/CH C
AIRFRAME FLOAT ASSEMBLIES Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
88/K/94 K
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE 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 3172. Source file NTSB_1973_3_3172.txt. Modern CAROL record on data.ntsb.gov ↗.

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