Atlas / NTSB / ANC70AA072

NTSB CAROL · Event

Event ANC70AA072

1970-04-18 SAGWON, Alaska, United States None 1 aircraft Status: Completed

Aircraft involved

N9883F CURTISS-WRT C-46 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

CURTISS-WRT C-46 · N9883F

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

E

Airport

ICE STRIP

Kind of flying

CJ

Weather at impact

Sky

CLEAR

Temp

25° F

Aircraft history

Serial number

000000033153

Total time

24,549 hrs

Pilot

Certificate

DA (DA)

Total hours

13,500

Age

41

Probable cause (from PRE1982.MDB)

WITH SLUSH. GAVE NO BRAKING ACTION.

Investigator remarks

SHORT STRIP CLEARED FROM FROZEN LAKE WAS COVERED

Cause factors

64/C/35 C
PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN Cause
64/L/29 L
PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
80/L/BB L
AIRPORTS/AIRWAYS/FACILITIES ICE/SLUSH ON RUNWAY

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 0374. Source file NTSB_1970_3_0374.txt. Modern CAROL record on data.ntsb.gov ↗.

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