Atlas / NTSB / ANC71DAG80

NTSB CAROL · Event

Event ANC71DAG80

1971-04-04 WASILLA, Alaska, United States Minor 1 aircraft Status: Completed

Aircraft involved

N23223 Cessna 150H Minor

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 150H · N23223

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

D

Airport

BIG LAKE NR2

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

40° F

Aircraft history

Serial number

000150-68805

Total time

1,400 hrs

Pilot

Certificate

Airline transport

Total hours

34

Age

30

Probable cause (from PRE1982.MDB)

D AVBL,FSS.CERT NOT ENDORSED SOLO CROSS-COUNTRY.

Investigator remarks

APRX 18IN DEEP SNOW ON RWY,CRUST ON TOP.ARPT CON

Cause factors

64/A/29 A
PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause — pilot/personnel action
64/A/35 A
PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN Cause — pilot/personnel action
80/A/BC A
AIRPORTS/AIRWAYS/FACILITIES SNOW ON RUNWAY 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 1285. Source file NTSB_1971_3_1285.txt. Modern CAROL record on data.ntsb.gov ↗.

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