Atlas / NTSB / SEA78FA059

NTSB CAROL · Event

Event SEA78FA059

1978-08-24 PULLMAN, Washington, United States Minor 1 aircraft Status: Completed

Aircraft involved

N8012R Beech B99 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

BEECH B99 · N8012R

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

E

Kind of flying

CI

Weather at impact

Sky

OVERCAST

Temp

60° F

Aircraft history

Serial number

000000000U69

Total time

14,229 hrs

Pilot

Certificate

DA (DA)

Total hours

6,200

Age

31

Probable cause (from PRE1982.MDB)

ISINTEGRATED & DMGD FUSELAGE. LND OK.

Investigator remarks

REDUCTION GEAR,L ENG FAILED. TURBINE OVERSPEED,D

Cause factors

74/C/PY C
POWERPLANT OTHER Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE 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 4203. Source file NTSB_1978_3_4203.txt. Modern CAROL record on data.ntsb.gov ↗.

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