NTSB CAROL · Event
Event CHI72AC056
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
PIPER PA-24 · N5518P
Damage
Destroyed
Craft type
Airplane
Classification
Accident
Light condition
Dusk
Weather
IMC
Phase of flight
ED
Operator type
Business
Airport
GREATER ROCKFORD
Kind of flying
B2
Weather at impact
Sky
OVERCAST
Wind
080° / 13 kt
Temp
32° F
Aircraft history
Serial number
00000024-581
Total time
3,578 hrs
Pilot
Certificate
Commercial — instrument
Total hours
2,712
Age
62
Probable cause (from PRE1982.MDB)
ES.PLT HAD FLWN 12HRS DRG LAST 15HR PERIOD.
Investigator remarks
PLT WX BRIEF INCLDD ICGIP.DSCNDD BLO MDA HIT TRE
Cause factors
- 64/A/01 A PILOT IN COMMAND ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT Cause — pilot/personnel action
- 64/A/40 A PILOT IN COMMAND INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS Cause — pilot/personnel action
- 64/A/26 A PILOT IN COMMAND IMPROPER IFR OPERATION Cause — pilot/personnel action
- 82/A/F A WEATHER ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC. Cause — pilot/personnel action
- 88/A/74 A MISCELLANEOUS ACTS,CONDITIONS AIRFRAME ICE Cause — pilot/personnel action
- 83/J/I J TERRAIN HIGH OBSTRUCTIONS Joint cause
- 88/J/62 J MISCELLANEOUS ACTS,CONDITIONS PILOT FATIGUE 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 4215.
Source file
NTSB_1971_3_4215.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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