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Atlas / NTSB / ANC78DA004

NTSB CAROL · Event

Event ANC78DA004

1977-11-30 DEADHORSE, Alaska, United States Minor 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

BELL 206-L · N403EH

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Night

Weather

Marginal VMC

Phase of flight

EB

Operator type

E

Airport

DEADHORSE

Kind of flying

CI

Weather at impact

Sky

PARTIAL OBSCURATION

Wind

230° / 17 kt

Temp

-15° F

Aircraft history

Serial number

000000045113

Total time

220 hrs

Pilot

Certificate

Commercial

Total hours

4,240

Age

31

Cause factors

  • 64/A/40 A
    PILOT IN COMMAND INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS Cause — pilot/personnel action
  • 64/A/66 A
    PILOT IN COMMAND SPATIAL DISORIENTATION Cause — pilot/personnel action
  • 88/A/78 A
    MISCELLANEOUS ACTS,CONDITIONS WHITEOUT Cause — pilot/personnel action
  • 82/J/C J
    WEATHER FOG Joint cause
  • 82/J/D J
    WEATHER SNOW Joint cause
  • 82/J/H J
    WEATHER UNFAVORABLE WIND CONDITIONS Joint cause
  • 83/J/B J
    TERRAIN SNOW-COVERED 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 4087. Source file NTSB_1977_3_4087.txt. Modern CAROL record on data.ntsb.gov ↗.