NTSB CAROL · Event
Event CHI75FEM27
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
VOLPAR H18 · N958B
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
Cruise — descent (EF)
Operator type
Business
Airport
TRI-CITY
Kind of flying
B2
Weather at impact
Sky
SCATTERED-ABOVE 1000 FEET
Wind
010° / 12 kt
Aircraft history
Serial number
0000000BA651
Total time
4,399 hrs
Pilot
Certificate
Flight instructor (CFI)
Total hours
20,019
Age
54
Probable cause (from PRE1982.MDB)
MILTON SPAR MOD,INADEQUATE CLNC AT DOOR BELLCRANK.
Investigator remarks
NO DTMN MADE WHY GR COULDNT BE EXTDD MANUALLY.HA
Cause factors
- 68/A/D0 A PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause — pilot/personnel action
- 70/A/BJ A AIRFRAME WHEEL WELL DOORS Cause — pilot/personnel action
- 88/A/47 A MISCELLANEOUS ACTS,CONDITIONS IMPROPER ALIGNMENT/ADJUSTMENT Cause — pilot/personnel action
- 88/J/AL J MISCELLANEOUS ACTS,CONDITIONS CIRCUIT BREAKER POPPED 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 0710.
Source file
NTSB_1975_3_0710.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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