NTSB CAROL · Event
Event MKC72FTK27
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 47G-5 · N7870S
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EI
Operator type
Personal/private
Kind of flying
B2
Weather at impact
Sky
CLEAR
Wind
310° / 8 kt
Temp
54° F
Aircraft history
Serial number
000000007864
Total time
1,218 hrs
Pilot
Certificate
Flight instructor (CFI)
Total hours
4,378
Age
42
Probable cause (from PRE1982.MDB)
R P/N AN-960-416 MISSING.CYCLIC CONTROL LOST.
Investigator remarks
PIVOT BOLT P/N-AN-174-21,NUT P/N MS17825-4,WASHE
Cause factors
- 68/A/D6 A PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause — pilot/personnel action
- 78/A/C0 A ROTORCRAFT CYCLIC PITCH CONTROL SYSTEM Cause — pilot/personnel action
- 88/A/CB A MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY INSTALLED Cause — pilot/personnel action
- 88/A/90 A MISCELLANEOUS ACTS,CONDITIONS MISSING Cause — pilot/personnel action
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 0925.
Source file
NTSB_1972_3_0925.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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