NTSB CAROL · Event
Event MKC71FDM45
Registry · N3999
FAA Aircraft Registry record.
Make / Model
PIPER PA-32-301
Year of manufacture
1981
Engine
LYCOMING IO-540 SER (300 hp)
Seats / Engines
7 seats · 1 engine
Last airworthiness date
19810227
ADS-B equipped
Yes — Mode-S A4A7CB
Registrant of record
INTERNATIONAL AIR SERVICE INC TRUSTEE
Source: FAA Aircraft Registry (releasable master file).
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-18 · N3999
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
B2
Operator type
D
Kind of flying
B0
Weather at impact
Sky
CLEAR
Aircraft history
Serial number
0000018-4788
Total time
3,583 hrs
Pilot
Certificate
Commercial — instrument
Total hours
433
Age
33
Probable cause (from PRE1982.MDB)
AXI R SKI HIT UNK OBJECT.
Investigator remarks
ABORTED TKOF DUE WET SNOW CLINGING TO SKIS.DRG T
Cause factors
- 83/A/E A TERRAIN HIDDEN OBSTRUCTIONS Cause — pilot/personnel action
- 83/J/B J TERRAIN SNOW-COVERED 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 0713.
Source file
NTSB_1971_3_0713.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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