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Atlas / NTSB / SEA77DYA33

NTSB CAROL · Event

Event SEA77DYA33

1977-08-13 CHALLIS, Idaho, 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

CESSNA 172 · N7596G

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DC

Operator type

Personal/private

Kind of flying

CE

Weather at impact

Sky

CLEAR

Temp

65° F

Aircraft history

Serial number

000000059296

Total time

4,062 hrs

Pilot

Certificate

Commercial

Total hours

665

Age

39

Probable cause (from PRE1982.MDB)

LIMB TERRAIN.DENS ALT ABT 7800FT.

Investigator remarks

MINERAL SURVEY.FLYING UP A VALLEY.UNABLE TO OUTC

Cause factors

  • 64/A/27 A
    PILOT IN COMMAND IMPROPER IN-FLIGHT DECISIONS OR PLANNING Cause — pilot/personnel action
  • 64/A/45 A
    PILOT IN COMMAND MISJUDGED DISTANCE,SPEED,AND ALTITUDE Cause — pilot/personnel action
  • 82/J/W J
    WEATHER HIGH DENSITY ALTITUDE 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 2775. Source file NTSB_1977_3_2775.txt. Modern CAROL record on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗