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Atlas / NTSB / ANC71AA057

NTSB CAROL · Event

Event ANC71AA057

1971-05-13 BETTLES, Alaska, United States Fatal 1 aircraft Status: Completed

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

STINSON V-77 · N5709N

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DC

Operator type

D

Airport

TOBIN CREEK

Kind of flying

B2

Weather at impact

Sky

CLEAR

Temp

40° F

Aircraft history

Serial number

000000077-33

Total time

3,225 hrs

Pilot

Certificate

Commercial — instrument

Total hours

1,200

Age

45

Probable cause (from PRE1982.MDB)

EEN CLOSE-IN MNTNS. OBS REPTD WIND STRONG,GUSTY.

Investigator remarks

STEEP L BANK FROM LOW PASS AT STRIP LOCATED BETW

Cause factors

  • 64/A/33 A
    PILOT IN COMMAND EXERCISED POOR JUDGMENT Cause — pilot/personnel action
  • 64/A/16 A
    PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED Cause — pilot/personnel action
  • 80/J/BY J
    AIRPORTS/AIRWAYS/FACILITIES OTHER Joint cause
  • 82/J/H J
    WEATHER UNFAVORABLE WIND CONDITIONS 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 0486. Source file NTSB_1971_3_0486.txt. Modern CAROL record on data.ntsb.gov ↗.