Atlas / NTSB / SEA76DYG04

NTSB CAROL · Event

Event SEA76DYG04

1975-07-11 PASCO, Washington, United States Minor 1 aircraft Status: Completed

Aircraft involved

N6525Z Piper PA-25 Minor

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 · N6525Z

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DD

Operator type

Part 135 (air taxi/commuter)

Airport

CARR

Kind of flying

CB

Weather at impact

Sky

CLEAR

Temp

85° F

Aircraft history

Serial number

0000025-2056

Total time

3,330 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

1,515

Age

24

Investigator remarks

NO ENG MALF FOUND.

Cause factors

74/C/KA C
POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS Cause
88/K/94 K
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Joint factor
83/K/F K
TERRAIN ROUGH/UNEVEN Joint factor
88/K/DC K
MISCELLANEOUS ACTS,CONDITIONS LOAD NOT JETTISONED 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 4159. Source file NTSB_1975_3_4159.txt. Modern CAROL record on data.ntsb.gov ↗.

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