NTSB CAROL · Event
Event DEN72FTE38
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
CESSNA 421 · N3178K
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
Marginal VMC
Phase of flight
EY
Operator type
Business
Airport
ARAPAHOE COUNTY
Kind of flying
B3
Weather at impact
Sky
OVERCAST
Wind
360° / 10 kt
Temp
25° F
Aircraft history
Serial number
0000421-0141
Total time
566 hrs
Pilot
Certificate
Commercial
Total hours
3,500
Age
30
Probable cause (from PRE1982.MDB)
RASHED DRG LDG ATMT,UN MAINTAIN ALT.DENS ALT 6000.
Investigator remarks
APRX 278LBS OGW.ENCTRD ICING,CLIMB.RTRND RAVEC.C
Cause factors
- 64/A/29 A PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause — pilot/personnel action
- 64/A/40 A PILOT IN COMMAND INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS Cause — pilot/personnel action
- 82/A/F A WEATHER ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC. Cause — pilot/personnel action
- 88/A/76 A MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G. Cause — pilot/personnel action
- 82/J/W J WEATHER HIGH DENSITY ALTITUDE 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 4384.
Source file
NTSB_1971_3_4384.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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