Atlas / NTSB / SEA76DYE41

NTSB CAROL · Event

Event SEA76DYE41

1976-05-12 FORKS, Washington, United States Minor 1 aircraft Status: Completed

Aircraft involved

N3794G Bell 47G-3B 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

BELL 47G-3B · N3794G

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DH

Operator type

Part 135 (air taxi/commuter)

Kind of flying

CA

Weather at impact

Sky

CLEAR

Temp

60° F

Aircraft history

Serial number

000000002184

Total time

6,224 hrs

Pilot

Certificate

Commercial

Total hours

2,400

Age

33

Probable cause (from PRE1982.MDB)

LSIDE. SPRAYING BRUSH.

Investigator remarks

T/R GR BOX PINION SHAFT FAILED. CRASHED INTO HIL

Cause factors

78/C/BH C
ROTORCRAFT TAIL ROTOR GEAR BOX Cause
88/C/36 C
MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause
83/K/F K
TERRAIN ROUGH/UNEVEN 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 1227. Source file NTSB_1976_3_1227.txt. Modern CAROL record on data.ntsb.gov ↗.

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