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Atlas / NTSB / ANC70A0024

NTSB CAROL · Event

Event ANC70A0024

1969-09-08 CHISTOCHINA, Alaska, United States Minor 1 aircraft Status: Completed

Registry · N4590A

FAA Aircraft Registry record.

Make / Model

PIPER PA-18-150

Year of manufacture

1956 · 13 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19560323

ADS-B equipped

Yes — Mode-S A595E4

Registrant of record

ELLIS DARRY LYNN

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

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 PA-18 · N4590A

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

E

Kind of flying

CI

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Wind

090° / 5 kt

Temp

36° F

Aircraft history

Serial number

Z

Total time

1,150 hrs

Pilot

Certificate

Commercial

Total hours

653

Age

38

Probable cause (from PRE1982.MDB)

LANDED ON COPPER LAKE.

Investigator remarks

FLOAT EQUIPPED ACFT. POSSIBLE GUSTS ENCOUNTERED.

Cause factors

  • 64/C/25 C
    PILOT IN COMMAND IMPROPER LEVEL OFF Cause
  • 88/K/88 K
    MISCELLANEOUS ACTS,CONDITIONS AIRCRAFT CAME TO REST IN WATER 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 2678. Source file NTSB_1969_3_2678.txt. Modern CAROL record on data.ntsb.gov ↗.