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Atlas / NTSB / SEA76FTI15

NTSB CAROL · Event

Event SEA76FTI15

1975-10-05 BOZEMAN, Montana, 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

AERONCA 7AC · N84885

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

Personal/private

Kind of flying

DI

Weather at impact

Sky

CLEAR

Wind

200° / 15 kt

Temp

78° F

Aircraft history

Serial number

00007AC-3604

Total time

4,259 hrs

Pilot

Certificate

Commercial

Total hours

270

Age

28

Probable cause (from PRE1982.MDB)

T. GLIDER RELEASED OK. DENSITY ALT ABT 10000FT.

Investigator remarks

ACFT ENCNTRD DWN DRAFT IN CANYON. UN MAINTAIN FL

Cause factors

  • 64/A/27 A
    PILOT IN COMMAND IMPROPER IN-FLIGHT DECISIONS OR PLANNING Cause — pilot/personnel action
  • 82/A/M A
    WEATHER DOWNDRAFT,UPDRAFTS Cause — pilot/personnel action
  • 82/J/W J
    WEATHER HIGH DENSITY ALTITUDE Joint cause
  • 83/J/I J
    TERRAIN HIGH OBSTRUCTIONS 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 3025. Source file NTSB_1975_3_3025.txt. Modern CAROL record on data.ntsb.gov ↗.