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Atlas / NTSB / ANC77DA013

NTSB CAROL · Event

Event ANC77DA013

1976-12-04 BEAVER, Alaska, United States None 1 aircraft Status: Completed

Registry · N2231D

FAA Aircraft Registry record.

Make / Model

CESSNA 170B

Year of manufacture

1952 · 24 years old at event

Engine

CONT MOTOR C145 SERIES (145 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19560710

ADS-B equipped

Yes — Mode-S A1EEA5

Registrant of record

FISHER AIR LLC

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 170B · N2231D

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

B0

Operator type

E

Airport

BEAVER

Kind of flying

CI

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000000020383

Total time

2,864 hrs

Pilot

Certificate

Commercial

Total hours

2,082

Age

26

Investigator remarks

COLLIDED WITH TRACTOR ON RUNWAY

Cause factors

  • 64/A/54 A
    PILOT IN COMMAND MISJUDGED CLEARANCE Cause — pilot/personnel action
  • 64/J/08 J
    PILOT IN COMMAND DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT Joint cause
  • 80/J/BC J
    AIRPORTS/AIRWAYS/FACILITIES SNOW ON RUNWAY 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 3455. Source file NTSB_1976_3_3455.txt. Modern CAROL record on data.ntsb.gov ↗.