NTSB CAROL · Event
Event DEN80FA051
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
AEROSPATLE 315B · N67103
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
C2
Operator type
E
Kind of flying
CJ
Weather at impact
Sky
CLEAR
Temp
80° F
Aircraft history
Serial number
000000002421
Total time
4,821 hrs
Pilot
Certificate
Commercial
Total hours
8,039
Age
43
Probable cause (from PRE1982.MDB)
CAL SHAFT OF THE BEVEL GEAR ASSEMBLY.
Investigator remarks
FAILURE OF THE SPLINES ON THE BEVEL GEAR & VERTI
Cause factors
- 68/A/D0 A PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause — pilot/personnel action
- 78/A/BG A ROTORCRAFT TAIL ROTOR DRIVE SHAFT ASSEMBLY Cause — pilot/personnel action
- 88/A/29 A MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY SECURED Cause — pilot/personnel action
- 88/A/AU A MISCELLANEOUS ACTS,CONDITIONS UNDER TORQUED Cause — pilot/personnel action
- 88/A/AV A MISCELLANEOUS ACTS,CONDITIONS LOOSE,PART/FITTING Cause — pilot/personnel action
- 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 3616.
Source file
NTSB_1980_3_3616.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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