Atlas / NTSB / ANC72DAA36

NTSB CAROL · Event

Event ANC72DAA36

1972-06-10 CLEAR, Alaska, United States None 2 aircraft Status: Completed

Registry · N8091D

FAA Aircraft Registry record.

Make / Model

PIPER PA-18A

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19580411

ADS-B equipped

Yes — Mode-S AB05CB

Registrant of record

JOHNSTON ZACH H

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 · N8091D

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

D

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

0000018-6086

Total time

2,856 hrs

Pilot

Certificate

Commercial — instrument

Total hours

3,500

Age

46

Investigator remarks

LNDD ON RIVER SAND BAR.

Cause factors

64/C/35 C
PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN Cause
83/L/F L
TERRAIN ROUGH/UNEVEN

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 2352. Source file NTSB_1972_3_2352.txt. Modern CAROL record on data.ntsb.gov ↗.

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