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Atlas / NTSB / ANC69D0066

NTSB CAROL · Event

Event ANC69D0066

1968-09-29 WHITTIER, Alaska, United States None 1 aircraft Status: Completed

Registry · N3797Z

FAA Aircraft Registry record.

Make / Model

PIPER PA-18-150

Engine

LYCOMING O-360-A2A (180 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20151030

ADS-B equipped

Yes — Mode-S A4589F

Registrant of record

MERRINER SCOTT L

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 · N3797Z

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

EE

Operator type

D

Kind of flying

B0

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Wind

090° / 15 kt

Temp

35° F

Aircraft history

Total time

550 hrs

Pilot

Certificate

Commercial — instrument

Total hours

400

Age

46

Probable cause (from PRE1982.MDB)

GE. PLT HAD BEEN WEATHERED IN FOR 3 DAYS AT LAKE.

Investigator remarks

FLOAT EQUIPPED ACFT STRUCK SWELLS,DAMAGED FUSELA

Cause factors

  • 64/A/25 A
    PILOT IN COMMAND IMPROPER LEVEL OFF Cause — pilot/personnel action
  • 64/J/29 J
    PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Joint cause
  • 83/J/G J
    TERRAIN ROUGH WATER Joint cause
  • 82/J/A J
    WEATHER LOW CEILING Joint cause
  • 82/J/B J
    WEATHER RAIN Joint 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 4103. Source file NTSB_1968_3_4103.txt. Modern CAROL record on data.ntsb.gov ↗.