CEN09CA566

NTSB accident investigation · Piper J3C-65 · Mondovi, WI · September 6, 2009

Accident · No injuriesData collectionFinal report
Date
September 6, 2009, 17:30 local (22:30 UTC)
Place
Mondovi, WI
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N3549WPiper J3C-65
Defining event
Approach-VFR pattern final: Loss of control in flight
Weather
Visual (VMC) · Day
Status
Completed · report December 15, 2009
Report
Approved by Office Director
NTSB office
Central Region
Parties
FAA-MSP-FSDO
FAA report
20090906025889A
Case key
74669

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

On this page

Probable cause

The pilot's failure to maintain adequate airspeed while in the traffic pattern, which resulted in an aerodynamic stall.

Findings · 2

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Performance/control parameters: airspeedAircraft › Aircraft oper/perf/capability · Not attained/maintainedPiper J3C-65: 8 casesAll aircraft: 1,681 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotPiper J3C-65: 43 casesAll aircraft: 9,295 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that the left wing stalled while turning from base leg to final while practicing takeoffs and landings. The airplane impacted the ground short of the approach end of the runway. The pilot reported the airplane was heavier than he was used to and that it was a hot, humid day.

Factual narrative

The pilot reported that the left wing stalled while turning from base leg to final while he was practicing takeoffs and landings. The airplane impacted the terrain short of the approach end of the runway. The pilot reported the airplane was heavier than he was used to and that it was a hot, humid day.

Aircraft

Registration
N3549W
Reported as
Piper J3C-65
Category
Airplane
Serial number
6398
Airframe hours
2,276
Engine
Cont Motor C-85-12, 85 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
William J. Ward
Registered owner
William J. Ward
Airworthiness certificate
Standard, Normal
Last inspection
Annual · November 18, 2008
Departed
WS69 · Mondovi, WI
Destination
WS69 · Mondovi, WI
Airport
WS69 · Log Cabin Airport, runway 36, 2,500 × 50 ft, grass/turf

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
50
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, With waivers/limitations
Last flight review
June 9, 2008
Seat
Front
Flight hours
375 total · 150 in this make and model · 328 as pilot in command · 15 in the last 90 days · 15 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
190° at 6 knots
Visibility
10 statute miles
Lowest ceiling
5,000 ft broken
Temperature
75 °F, dew point 54 °F
Altimeter
30.15 inHg
Observed at
eau, 20 nm away

Docket · 1

The files NTSB released with the investigation on October 1, 2009, on NTSB’s docket system: statements, records, photos and specialists’ reports. 582 KB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.