NTSB CAROL · Event
Event MKC68F0003
Registry · N5602Q
FAA Aircraft Registry record.
Make / Model
MOONEY M20C
Year of manufacture
1965 · 2 years old at event
Engine
LYCOMING O&VO-360 SER (180 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19650624
ADS-B equipped
Yes — Mode-S A72997
Registrant of record
WACKER JEREMY C
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
MOONEY 20C · N5602Q
Damage
Substantial
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
EE
Operator type
D
Airport
WILLMAR
Kind of flying
B2
Weather at impact
Sky
CLEAR
Aircraft history
Total time
504 hrs
Pilot
Certificate
Commercial — instrument
Total hours
658
Age
36
Probable cause (from PRE1982.MDB)
RETAINER NUT CAME LOOSE.
Investigator remarks
JACKSCREW SEPARATED FROM GEAR ACTUATOR ASSEMBLY.
Cause factors
- 70/A/CB A AIRFRAME NORMAL RETRACTION/EXTENSION ASSEMBLY Cause — pilot/personnel action
- 70/A/CC A AIRFRAME EMERGENCY/EXTENSION ASSEMBLY Cause — pilot/personnel action
- 88/A/29 A MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY SECURED Cause — pilot/personnel action
- 68/A/D6 A PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause — pilot/personnel action
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 1985.
Source file
NTSB_1967_3_1985.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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