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Atlas / NTSB / SEA71DYA36

NTSB CAROL · Event

Event SEA71DYA36

1971-06-15 IDAHO FALLS, Idaho, United States Serious 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

PIPER PA-25 · N7118Z

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DJ

Operator type

Part 135 (air taxi/commuter)

Kind of flying

CA

Weather at impact

Sky

CLEAR

Temp

60° F

Aircraft history

Serial number

0000025-2915

Pilot

Certificate

Commercial

Total hours

2,000

Age

41

Probable cause (from PRE1982.MDB)

IDGE. DENSITY ALT ABOUT 8300 FT.

Investigator remarks

SPRAYING FLD SURROUNDED BY RISING TERRAIN. HIT R

Cause factors

  • 64/A/27 A
    PILOT IN COMMAND IMPROPER IN-FLIGHT DECISIONS OR PLANNING Cause — pilot/personnel action
  • 64/A/54 A
    PILOT IN COMMAND MISJUDGED CLEARANCE 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 1968. Source file NTSB_1971_3_1968.txt. Modern CAROL record on data.ntsb.gov ↗.