NTSB CAROL · Event
Event SEA72DYA35
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 · N90465
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
DK
Operator type
Part 135 (air taxi/commuter)
Kind of flying
CA
Weather at impact
Sky
CLEAR
Wind
200° / 10 kt
Temp
59° F
Aircraft history
Serial number
000000002352
Total time
2,441 hrs
Pilot
Certificate
Flight instructor (CFI)
Total hours
2,047
Age
33
Probable cause (from PRE1982.MDB)
00 FT AND RISING TERRAIN. SETTLED INTO TREES.
Investigator remarks
UN MAINTAIN FLT DUE HEAVY LOAD,DENSITY ALT OF 78
Cause factors
- 64/A/29 A PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause — pilot/personnel action
- 64/A/16 A PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED Cause — pilot/personnel action
- 82/J/W J WEATHER HIGH DENSITY ALTITUDE Joint cause
- 83/J/I J TERRAIN HIGH OBSTRUCTIONS Joint 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 1708.
Source file
NTSB_1972_3_1708.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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