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Atlas / NTSB / ANC72AA037

NTSB CAROL · Event

Event ANC72AA037

1972-03-11 SKWENTNA, Alaska, United States Fatal 1 aircraft Status: Completed

Registry · N46962

FAA Aircraft Registry record.

Make / Model

INTERSTATE S-1B1

Year of manufacture

1943 · 29 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

2 seats · 1 engine

ADS-B equipped

Yes — Mode-S A5BE4F

Registrant of record

SOTO DEL CARPIO NHIKITOA

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

INTERSTATE S-1B1 · N46962

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DC

Operator type

D

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000000000195

Pilot

Certificate

Commercial

Total hours

420

Age

38

Investigator remarks

SPOTTING WOLVES. RECOVERED 3/12/72.

Cause factors

  • 64/A/53 A
    PILOT IN COMMAND MISJUDGED ALTITUDE Cause — pilot/personnel action
  • 64/J/08 J
    PILOT IN COMMAND DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT Joint cause
  • 83/J/I J
    TERRAIN HIGH OBSTRUCTIONS 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 0108. Source file NTSB_1972_3_0108.txt. Modern CAROL record on data.ntsb.gov ↗.