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Atlas / NTSB / ANC72DAG73

NTSB CAROL · Event

Event ANC72DAG73

1971-11-10 KING SALMON, Alaska, United States None 1 aircraft Status: Completed

Registry · N78481

FAA Aircraft Registry record.

Make / Model

PIPER PA-12

Year of manufacture

1947 · 24 years old at event

Engine

LYCOMING 0-235 SERIES (115 hp)

Seats / Engines

3 seats · 1 engine

Last airworthiness date

19560604

ADS-B equipped

Yes — Mode-S AAA2EC

Registrant of record

CANOE BAY OUTFITTERS LLC

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-12 · N78481

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Night

Weather

VMC

Phase of flight

D2

Operator type

D

Kind of flying

B0

Weather at impact

Sky

OVERCAST

Wind

120° / 11 kt

Temp

32° F

Aircraft history

Serial number

0000012-1992

Total time

1,828 hrs

Pilot

Certificate

Commercial

Total hours

323

Age

23

Cause factors

  • 64/C/21 C
    PILOT IN COMMAND IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS Cause
  • 82/C/G C
    WEATHER CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING Cause
  • 88/C/02 C
    MISCELLANEOUS ACTS,CONDITIONS ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE Cause
  • 88/C/72 C
    MISCELLANEOUS ACTS,CONDITIONS ICE-CARBURETOR Cause
  • 83/B/B B
    TERRAIN SNOW-COVERED

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 3972. Source file NTSB_1971_3_3972.txt. Modern CAROL record on data.ntsb.gov ↗.