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Atlas / NTSB / ANC75DAA33

NTSB CAROL · Event

Event ANC75DAA33

1975-05-06 BETTLES, Alaska, United States None 1 aircraft Status: Completed

Registry · N93Q

FAA Aircraft Registry record.

Make / Model

CESSNA 180B

Year of manufacture

1959 · 16 years old at event

Engine

CONT MOTOR O-470 SERIES (230 hp)

Seats / Engines

4 seats · 1 engine

ADS-B equipped

Yes — Mode-S ACE4AE

Registrant of record

DURTSCHI JAMES WERNER

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

CESSNA 180B · N93Q

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

D

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

40° F

Aircraft history

Serial number

000000000577

Total time

5,093 hrs

Pilot

Certificate

Commercial — instrument

Total hours

1,282

Age

34

Probable cause (from PRE1982.MDB)

UST.

Investigator remarks

LND ON SNOW COVERED FROZEN LAKE.GR BROKE THRU CR

Cause factors

  • 64/A/35 A
    PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN Cause — pilot/personnel action
  • 83/J/B J
    TERRAIN SNOW-COVERED 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 1707. Source file NTSB_1975_3_1707.txt. Modern CAROL record on data.ntsb.gov ↗.