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Atlas / NTSB / SEA76DYG73

NTSB CAROL · Event

Event SEA76DYG73

1976-08-10 KENNEWICK, Washington, United States Minor 1 aircraft Status: Completed

Aircraft involved

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

HILLER ACFT UH-12E · N7411N

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D4

Operator type

Personal/private

Kind of flying

CK

Weather at impact

Sky

CLEAR

Wind

090° / 4 kt

Aircraft history

Serial number

000000002110

Total time

4,509 hrs

Pilot

Certificate

Commercial

Total hours

15,000

Probable cause (from PRE1982.MDB)

AILED.OP MANUAL STATES PUMP SHOULD HAVE BEEN ON.

Investigator remarks

AUX FUEL PUMP NOT USED AT TIME ENG-DRIVEN PUMP F

Cause factors

  • 74/C/CH C
    POWERPLANT PUMPS Cause
  • 88/C/95 C
    MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
  • 88/C/96 C
    MISCELLANEOUS ACTS,CONDITIONS FUEL STARVATION Cause
  • 64/C/20 C
    PILOT IN COMMAND FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. 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 3530. Source file NTSB_1976_3_3530.txt. Modern CAROL record on data.ntsb.gov ↗.