Atlas / NTSB / SEA75DYA19

NTSB CAROL · Event

Event SEA75DYA19

1974-08-17 IDAHO FALLS, Idaho, United States None 1 aircraft Status: Completed

Aircraft involved

N7375Z Piper PA-25 None

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 · N7375Z

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

Part 135 (air taxi/commuter)

Airport

HELMS FARM

Kind of flying

CB

Weather at impact

Sky

CLEAR

Wind

180° / 10 kt

Temp

70° F

Aircraft history

Serial number

0000025-3331

Total time

2,083 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

8,212

Age

40

Investigator remarks

HEAVY LOAD.DENSITY ALT 6480FT.

Cause factors

74/C/KA C
POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS Cause
83/B/F B
TERRAIN ROUGH/UNEVEN
82/L/W L
WEATHER HIGH DENSITY ALTITUDE
88/K/94 K
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Joint factor

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 3792. Source file NTSB_1974_3_3792.txt. Modern CAROL record on data.ntsb.gov ↗.

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