Atlas / NTSB / ANC72DAG97

NTSB CAROL · Event

Event ANC72DAG97

1972-02-29 KING SALMON, Alaska, United States None 1 aircraft Status: Completed

Registry · N78542

FAA Aircraft Registry record.

Make / Model

CESSNA 172K

Year of manufacture

1968 · 4 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19690320

ADS-B equipped

Yes — Mode-S AAA618

Registrant of record

TOLMACHEV NIKOLAY A

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N78542 Cessna 172K 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

CESSNA 172K · N78542

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

L

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000017257661

Total time

1,410 hrs

Pilot

Certificate

Commercial — instrument

Total hours

175

Age

29

Investigator remarks

LNDD ON FROZEN LAKE,BROKE THRU ICE.

Cause factors

64/A/35 A
PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN Cause — pilot/personnel action
83/A/Y A
TERRAIN OTHER Cause — pilot/personnel action

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 1374. Source file NTSB_1972_3_1374.txt. Modern CAROL record on data.ntsb.gov ↗.

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