NTSB CAROL · Event
Event IAD76FKM29
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
SIAI-MARCHE S20522 · N996WA
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
D1
Operator type
D
Kind of flying
B0
Weather at impact
Sky
CLEAR
Aircraft history
Serial number
000000000396
Total time
825 hrs
Pilot
Certificate
Commercial — instrument
Total hours
675
Age
51
Probable cause (from PRE1982.MDB)
OF PISTON PIN MISSING.HIT ROAD EMBANKMENT.
Investigator remarks
NR 4 PISTON BADLY MUTILATED.CONROD BENT,AND PART
Cause factors
- 74/C/AC C POWERPLANT MASTER AND CONNECTING RODS Cause
- 74/C/AE C POWERPLANT PISTON,PISTON RINGS Cause
- 88/C/95 C MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
- 83/B/F B TERRAIN ROUGH/UNEVEN
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 0705.
Source file
NTSB_1976_3_0705.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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