NTSB CAROL · Event
Event SEA80FYK18
Registry · N2ZH
FAA Aircraft Registry record.
Make / Model
CIRRUS DESIGN SR22
Year of manufacture
2001
TCDS
A00009CH · CIRRUS DESIGN CORP
Engine
CONT MOTOR IO-550 SERIES (300 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
20010716
ADS-B equipped
Yes — Mode-S A18F98
Registrant of record
CLT THOMPSON HOLDINGS LLC
Source: FAA Aircraft Registry (releasable master file).
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 47J-2A · N2ZH
Damage
Destroyed
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
D4
Operator type
Part 135 (air taxi/commuter)
Kind of flying
CB
Weather at impact
Sky
CLEAR
Temp
80° F
Aircraft history
Serial number
000000003113
Total time
2,540 hrs
Pilot
Certificate
Commercial
Total hours
10,000
Age
52
Probable cause (from PRE1982.MDB)
MTN RIDGE. DENSITY ALT ABOUT 5000 FT.
Investigator remarks
SEEDING GRASS BY EXTERNAL LOAD FROM TOP OF STEEP
Cause factors
- 64/A/18 A PILOT IN COMMAND FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. Cause — pilot/personnel action
- 64/A/23 A PILOT IN COMMAND IMPROPER OPERATION OF FLIGHT CONTROLS Cause — pilot/personnel action
- 82/J/W J WEATHER HIGH DENSITY ALTITUDE Joint cause
- 83/J/Y J TERRAIN OTHER Joint cause
- 88/J/24 J MISCELLANEOUS ACTS,CONDITIONS JETTISONED LOAD 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 2721.
Source file
NTSB_1980_3_2721.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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