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Atlas / NTSB / DEN67A0048

NTSB CAROL · Event

Event DEN67A0048

1967-02-21 RIVERTON, Wyoming, 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

BELL 47G3B1 · N8537F

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — level (EA)

Operator type

Part 135 (air taxi/commuter)

Airport

RIVERTON

Kind of flying

DB

Weather at impact

Sky

CLEAR

Wind

270° / 20 kt

Aircraft history

Total time

400 hrs

Pilot

Certificate

Commercial

Total hours

1,400

Age

30

Probable cause (from PRE1982.MDB)

E STRUCK TAIL BOOM.

Investigator remarks

PLT LANDED ACFT ON AFT PART OF SKIDS. ROTOR BLAD

Cause factors

  • 74/A/KA A
    POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS Cause — pilot/personnel action
  • 64/B/25 B
    PILOT IN COMMAND IMPROPER LEVEL OFF

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 2 0079. Source file NTSB_1967_2_0079.txt. Modern CAROL record on data.ntsb.gov ↗.