Atlas / NTSB / ANC80DAG04

NTSB CAROL · Event

Event ANC80DAG04

1979-10-01 SPARREVOHN, Alaska, United States None 1 aircraft Status: Completed

Registry · N4912

FAA Aircraft Registry record.

Make / Model

NORTH AMERICAN F-86A

Seats / Engines

1 seats · 1 engine

ADS-B equipped

Yes — Mode-S A6166D

Registrant of record

ECHO MATRIX LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N4912 Pilatus PC-6 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

PILATUS PC-6 · N4912

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Kind of flying

B0

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Wind

090° / 20 kt

Temp

41° F

Aircraft history

Serial number

000000000544

Total time

11,000 hrs

Pilot

Certificate

Commercial — instrument

Total hours

4,300

Age

41

Probable cause (from PRE1982.MDB)

ING 40 KTS.

Investigator remarks

ENCTRD SVR DWNDFTS DRG FLT OVR MTN PASS.WND GUST

Cause factors

64/A/27 A
PILOT IN COMMAND IMPROPER IN-FLIGHT DECISIONS OR PLANNING Cause — pilot/personnel action
82/J/M J
WEATHER DOWNDRAFT,UPDRAFTS 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 2365. Source file NTSB_1979_3_2365.txt. Modern CAROL record on data.ntsb.gov ↗.

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