Atlas / NTSB / ANC80DAG73

NTSB CAROL · Event

Event ANC80DAG73

1980-07-09 MCGRATH, Alaska, United States None 1 aircraft Status: Completed

Aircraft involved

N3506Z Piper PA-22 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 PA-22 · N3506Z

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

70° F

Aircraft history

Serial number

0000022-7401

Total time

1,500 hrs

Pilot

Certificate

Commercial

Total hours

4,620

Age

28

Investigator remarks

SWAMP AND TREES.

Cause factors

74/C/KA C
POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS 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 1677. Source file NTSB_1980_3_1677.txt. Modern CAROL record on data.ntsb.gov ↗.

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