CHI86LA196

NTSB accident investigation · Piper PA-20-115 · Mosinee, WI · August 3, 1986

Accident · No injuriesLimited investigationFinal report
Date
August 3, 1986, 09:58 local (14:58 UTC)
Place
Mosinee, WI
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
CGHGFPiper PA-20-115
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
13503

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - on ground/waterLanding - roll
Weather condition - crosswindFactor
Compensation for wind conditions - inaccuratePilot in commandCause
Remedial action - excessivePilot in commandCause
Ground loop/swerve - inadvertentPilot in command
On ground/water encounter with terrain/waterLanding - roll

Analysis

Following departure from oshkosh, WI, the plt proceeded directly to central Wisconsin airport, Mosinee, WI, at aprx 2500 ft MSL. After receiving an arpt advisory from the central Wisconsin UNICOM, the plt landed on rwy 26. According to the plt, a 30-35 deg crosswind of about 10 knots gusting to 15 knots existed at the time. The plt reported that during the landing roll he repositioned his feet on the rudder controls and the acft immediately swerved. The plt stated that in an attempt to regain directional control, he overcorrected and the acft ground looped.

Aircraft

Registration
CGHGF
Reported as
Piper PA-20-115
Category
Airplane
Serial number
20-305
Airframe hours
1,717
Engine
Lycoming O-290-D, 125 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
A. Timothy Kelly
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 20, 1984 · 58 hours before
Departed
OSH · Oshkosh, WI
Destination
CWA · Mosinee, WI
Airport
CWA · Central Wisconsin Airport, runway 26, 7,645 × 150 ft, concrete

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
55
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
437 total · 63 in this make and model · 332 as pilot in command · 47 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
290° at 6 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
68 °F, dew point 57 °F
Altimeter
30.00 inHg
Observed at
CWA