NTSB CAROL · Event
Event SEA76DYG73
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 ↗.
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