CEN13CA528

NTSB accident investigation · Bellanca 7ECA · Delavan, WI · September 6, 2013

Accident · Minor injuriesData collectionFinal report
Date
September 6, 2013, 05:15 local (10:15 UTC)
Place
Delavan, WI
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N86586Bellanca 7ECA
Defining event
Takeoff: Birdstrike
Weather
Visual (VMC) · Night
Status
Completed · report February 4, 2014
Report
Approved by Office Director
NTSB office
Central Region
FAA report
20130906016539A
Case key
87987

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 collision with a hawk during the takeoff roll, which resulted in a loss of directional control, runway excursion, and subsequent noseover.

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.

Object/animal/substance: animal(s)/bird(s)Environmental issues › Physical environment · Effect on equipmentBellanca 7ECA: 2 casesAll aircraft: 358 casesProbable cause
Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Attain/maintain not possibleBellanca 7ECA: 11 casesAll aircraft: 3,958 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

During the takeoff roll, a hawk struck the airplane's windscreen and then struck the vertical stabilizer and rudder. The airplane veered to the right, exited the runway and nosed over. The airplane sustained substantial damage to the vertical stabilizer and rudder. A postaccident examination revealed that the hawk had lodged between the vertical stabilizer and rudder which interfered with the flight controls and deflected the rudder to the right. There were no preaccident mechanical malfunctions or failures with the airplane or engine that would have precluded normal operation.

Factual narrative

During the takeoff roll, a hawk struck the airplane's windscreen and then struck the vertical stabilizer and rudder. The airplane veered to the right, exited the runway and nosed over. The airplane sustained substantial damage to the vertical stabilizer and rudder. A postaccident examination revealed that the hawk had lodged between the vertical stabilizer and rudder which interfered with the flight controls and deflected the rudder to the right. There were no preaccident mechanical malfunctions or failures with the airplane or engine that would have precluded normal operation.

Aircraft

Registration
N86586
Reported as
Bellanca 7ECA
Category
Airplane
Serial number
1005-74
Airframe hours
1,092
Engine
Lycoming 0-235 CI, 115 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Stick & Rudder LLC
Registered owner
Stick & Rudder LLC
Airworthiness certificate
Standard, Normal; Standard, Aerobatic
Last inspection
Annual · June 10, 2013 · 10 hours before
Departed
C59 · Delavan, WI
Destination
ENW · Kenosha, WI
Airport
C59 · Lake Lawn Airport, runway 36, 4,423 × 80 ft, asphalt

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
35
Injuries
Minor
Certificates
Private, Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, With waivers/limitations
Seat
Front
Flight hours
4,500 total · 300 in this make and model · 1,700 as pilot in command · 250 in the last 90 days · 90 in the last 30 days · 33 in the last 24 hours

Weather

Conditions
Visual (VMC) · Night
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
None
Temperature
45 °F, dew point 45 °F
Altimeter
30.22 inHg
Observed at
BUU, 14 nm away

Docket · 2

The files NTSB released with the investigation on December 18, 2013, on NTSB’s docket system: statements, records, photos and specialists’ reports. 3.3 MB 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.