Atlas / NTSB / SEA72DYC05

NTSB CAROL · Event

Event SEA72DYC05

1971-07-05 BEAVERTON, Oregon, United States None 1 aircraft Status: Completed

Registry · N33551

FAA Aircraft Registry record.

Make / Model

PIPER J3C-65

Year of manufacture

1945 · 26 years old at event

Engine

CONT MOTOR C85 SERIES (85 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19560515

ADS-B equipped

Yes — Mode-S A3AB83

Registrant of record

OTTEM DAVID L

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N33551 Piper J3C-65 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

PIPER J3C-65 · N33551

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

C0

Operator type

D

Airport

STARKS

Kind of flying

A0

Weather at impact

Sky

BROKEN

Aircraft history

Serial number

000000013989

Total time

2,597 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

315

Age

33

Cause factors

66/C/79 C
DUAL STUDENT Cause
64/A/30 A
PILOT IN COMMAND INADEQUATE SUPERVISION OF FLIGHT Cause — pilot/personnel action

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 2691. Source file NTSB_1971_3_2691.txt. Modern CAROL record on data.ntsb.gov ↗.

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