NTSB CAROL · Event
Event ANC81FA098
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
BELL 212 · N392EH
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dusk
Weather
VMC
Phase of flight
D2
Operator type
E
Kind of flying
CT
Weather at impact
Sky
SCATTERED-ABOVE 1000 FEET
Temp
50° F
Aircraft history
Serial number
000000030705
Total time
5,549 hrs
Pilot
Certificate
Commercial
Total hours
9,500
Age
37
Probable cause (from PRE1982.MDB)
14910-01, WORN.FLOATS POPPED OUT FM IMPACT.CO PLN.
Investigator remarks
SPLINES OF NO 1 ENG FUEL PUMP DRIVE SHAFT,PN 02-
Cause factors
- 74/C/SB C POWERPLANT PUMP,FUEL Cause
- 88/C/BQ C MISCELLANEOUS ACTS,CONDITIONS EXCESSIVE-WEAR/PLAY Cause
- 64/B/20 B PILOT IN COMMAND FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
- 64/B/07 B PILOT IN COMMAND DELAYED IN INITIATING GO-AROUND
- 64/B/18 B PILOT IN COMMAND FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
- 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 3655.
Source file
NTSB_1981_3_3655.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2025 · Journal article (IJAAA)
Invisible Aircraft in U.S. Airspace: Regulatory Gaps and Mid-Air Collision Risk for Part 121 Operators
Scheduled air carrier aircraft operate at large and small commercial airports across the U.S. National Airspace System. These turbine-powered aircraft fly at high speeds during departure and approach,…
- NASA NTRS 2019 · Conference Paper
Fatigue crack propagation in aluminum-lithium alloys
The principal mechanisms which govern the fatigue crack propagation resistance of aluminum-lithium alloys are investigated, with emphasis on their behavior in controlled gaseous and aqueous environmen…
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