NTSB CAROL · Event
Event SEA71FWD02
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
BRANTLY B-2 · N5963X
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
Takeoff — initial climb (C1)
Operator type
D
Kind of flying
B0
Weather at impact
Sky
CLEAR
Aircraft history
Serial number
000000000105
Total time
1,087 hrs
Pilot
Certificate
GA (GA)
Total hours
8,000
Age
54
Investigator remarks
SANK IN LAKE SAMMAMISH IN ABOUT 20FT OF WATER.
Cause factors
- 74/C/KA C POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS Cause
- 88/K/88 K MISCELLANEOUS ACTS,CONDITIONS AIRCRAFT CAME TO REST IN WATER 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 3421.
Source file
NTSB_1970_3_3421.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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