Atlas / NTSB / SEA79FYM57

NTSB CAROL · Event

Event SEA79FYM57

1979-08-16 HERMISTON, Oregon, United States Serious 1 aircraft Status: Completed

Aircraft involved

N4945X AERO COMDR S-2R Serious

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

AERO COMDR S-2R · N4945X

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DD

Operator type

Part 135 (air taxi/commuter)

Kind of flying

CB

Weather at impact

Sky

CLEAR

Temp

75° F

Aircraft history

Serial number

00000005006R

Total time

932 hrs

Pilot

Certificate

GA (GA)

Total hours

9,902

Age

33

Investigator remarks

NR 7 INTAKE VALVE FAILED.

Cause factors

74/C/AF C
POWERPLANT VALVE ASSEMBLIES Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
83/K/A K
TERRAIN WET,SOFT GROUND 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 3096. Source file NTSB_1979_3_3096.txt. Modern CAROL record on data.ntsb.gov ↗.

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