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Atlas / NTSB / DEN80DTI12

NTSB CAROL · Event

Event DEN80DTI12

1980-07-18 VALIER, Montana, United States None 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

CALLAIR B-1A · N7278V

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

Part 135 (air taxi/commuter)

Airport

GRAVEL ROAD

Kind of flying

CB

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000000010008

Total time

972 hrs

Pilot

Certificate

Commercial

Total hours

3,376

Age

36

Investigator remarks

ABRASION MARKS FD INSIDE WHEEL.

Cause factors

  • 64/A/35 A
    PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN Cause — pilot/personnel action
  • 83/J/J J
    TERRAIN LOOSE GRAVEL Joint cause
  • 84/J/G J
    MISCELLANEOUS FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS 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 2538. Source file NTSB_1980_3_2538.txt. Modern CAROL record on data.ntsb.gov ↗.