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Atlas / NTSB / ANC76DAG67

NTSB CAROL · Event

Event ANC76DAG67

1975-11-15 SKWENTNA, Alaska, United States None 1 aircraft Status: Completed

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-12 · N3383M

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

Wind

020° / 10 kt

Temp

10° F

Aircraft history

Serial number

00000032-239

Pilot

Certificate

Airline transport

Total hours

53

Age

33

Investigator remarks

LND IN DEEP SNOW. NO ENG MALFUNCTION FOUND.

Cause factors

  • 74/C/KA C
    POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS Cause
  • 83/B/B B
    TERRAIN SNOW-COVERED
  • 82/L/G L
    WEATHER CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING

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 3796. Source file NTSB_1975_3_3796.txt. Modern CAROL record on data.ntsb.gov ↗.