CHI08CA233

NTSB accident investigation · Ercoupe 415-C · Cedarburg, WI · August 2, 2008

Accident · Minor injuriesData collectionFinal report
Date
August 2, 2008, 11:35 local (16:35 UTC)
Place
Cedarburg, WI
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N93963Ercoupe 415-C
Defining event
Takeoff: Collision during takeoff/land
Weather
Visual (VMC) · Day
Status
Completed · report August 28, 2008
Report
Approved by Office Director
Parties
Milwaukee, WI, FSDO
FAA report
20080802857789A
Case key
68743

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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Probable cause

The pilot not maintaining altitude/clearance from the tree during takeoff. Contributing to the accident were the windshear and the tree.

Findings · 3

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.

Object/animal/substance: tree(s)Environmental issues › Physical environment · Contributed to outcomeErcoupe 415-C: 5 casesAll aircraft: 933 casesProbable cause
Performance/control parameters: altitudeAircraft › Aircraft oper/perf/capability · Not attained/maintainedErcoupe 415-C: 1 caseAll aircraft: 1,310 casesProbable cause
Wind: windshearEnvironmental issues › Conditions/weather/phenomena · Contributed to outcomeErcoupe 415-C: 1 caseAll aircraft: 90 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 during takeoff the airplane was "struck by wind shear" from its right side. He reported that the airplane "lost perhaps 20' - 30' of altitude" and that he "could not avoid impact with the tree." The pilot reported that there were no mechanical malfunctions with the airplane during the accident flight.

Factual narrative

The pilot reported that during takeoff the airplane was "struck by wind shear" from its right side. He reported that the airplane "lost perhaps 20' - 30' of altitude" and that he "could not avoid impact with the tree." The pilot reported that there were no mechanical malfunctions with the airplane during the accident flight.

Aircraft

Registration
N93963
Reported as
Ercoupe 415-C
Category
Airplane
Serial number
1286
Airframe hours
2,564
Engine
Continental C-85, 85 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
James B. Brennan
Registered owner
James B. Brennan
Airworthiness certificate
Standard, Normal
Last inspection
Annual · July 1, 2008
Departed
1WN2 · Cedarburg, WI
Destination
BUU · Burlington, WI

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
61
Injuries
Minor
Certificates
Sport Pilot, Private
Airplane ratings
Single-engine land
Medical
Sport pilot
Last flight review
April 1, 2008
Seat
Left
Flight hours
342 total · 142 in this make and model · 247 as pilot in command · 23 in the last 90 days · 19 in the last 30 days · 0 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
40° at 8 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
75 °F, dew point 59 °F
Altimeter
29.98 inHg
Observed at
ETB

FAA reports on this event · 1

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