NTSB CAROL · Event
Event CHI77FEE46
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
SCHWEIZER SGS126 · N2653H
Damage
Substantial
Craft type
C
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
D1
Operator type
Part 91 (general aviation)
Airport
HINCKLEY
Kind of flying
A1
Weather at impact
Sky
BROKEN
Aircraft history
Serial number
000000000653
Total time
243 hrs
Pilot
Certificate
Commercial — instrument
Total hours
72
Age
19
Probable cause (from PRE1982.MDB)
ABLE SEAT CG CHANGES.CG .43IN OUT OF REAR LIMITS.
Investigator remarks
FLIGHT MANUAL AND CG PLACARD DID NOT REFLECT MOV
Cause factors
- 68/A/J6 A PERSONNEL OTHER Cause — pilot/personnel action
- 64/J/31 J PILOT IN COMMAND LACK OF FAMILIARITY WITH AIRCRAFT Joint cause
- 88/J/76 J MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G. 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 4272.
Source file
NTSB_1977_3_4272.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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