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Atlas / NTSB / DEN77FA015

NTSB CAROL · Event

Event DEN77FA015

1976-12-19 ALDER, Colorado, 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

GRUM AMER AA-1 · N5679L

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D9

Operator type

D

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

0000AA1-0079

Pilot

Certificate

Commercial

Total hours

1,200

Age

31

Probable cause (from PRE1982.MDB)

7/19/77 IN MTNS APRX 11500FT LEVEL.

Investigator remarks

ACFT SERVICE CEILING 11250FT.WRECKAGE RECOVERED

Cause factors

  • 64/A/33 A
    PILOT IN COMMAND EXERCISED POOR JUDGMENT Cause — pilot/personnel action
  • 64/A/27 A
    PILOT IN COMMAND IMPROPER IN-FLIGHT DECISIONS OR PLANNING Cause — pilot/personnel action
  • 82/J/M J
    WEATHER DOWNDRAFT,UPDRAFTS 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 3808. Source file NTSB_1976_3_3808.txt. Modern CAROL record on data.ntsb.gov ↗.