NTSB CAROL · Event
Event CHI71FEC59
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 · N9307P
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EE
Operator type
Business
Airport
BERZ AIRPORT
Kind of flying
B0
Weather at impact
Sky
BROKEN
Aircraft history
Serial number
0000024-4803
Total time
733 hrs
Pilot
Certificate
Commercial
Total hours
438
Age
26
Probable cause (from PRE1982.MDB)
ARNING HORN WIRE FOUND CUT.
Investigator remarks
LDG GR SYST OPERD NORM AFTR CIRC BRKR RESET.GR W
Cause factors
- 64/A/39 A PILOT IN COMMAND FAILED TO ASSURE THE GEAR WAS DOWN AND LOCKED Cause — pilot/personnel action
- 70/J/CN J AIRFRAME SWITCHES,LEVERS,CRANKING MECHANISM,ETC. Joint cause
- 75/J/AM J SYSTEMS PROTECTIVE DEVICES Joint cause
- 88/J/AL J MISCELLANEOUS ACTS,CONDITIONS CIRCUIT BREAKER POPPED Joint cause
- 70/J/CL J AIRFRAME LANDING GEAR WARNING AND INDICATING COMPONENTS 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 2274.
Source file
NTSB_1971_3_2274.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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