WPR10CA434

NTSB accident investigation · Piper PA-15 · Duvall, WA · August 28, 2010

Accident · Minor injuriesData collectionFinal report
Date
August 28, 2010, 15:15 local (22:15 UTC)
Place
Duvall, WA
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N4579HPiper PA-15
Defining event
Maneuvering: Birdstrike
Weather
Visual (VMC) · Day
Status
Completed · report March 16, 2011
Report
Approved by Office Director
NTSB office
Western Pacific Region
Parties
Federal Aviation Administration
FAA report
20100828045959A
Case key
77114

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

An in-flight collision with a bird while maneuvering.

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 equipmentPiper PA-15: 1 caseAll aircraft: 358 casesProbable cause
Terrain: rough terrainEnvironmental issues › Physical environment · Contributed to outcomePiper PA-15: 1 caseAll aircraft: 442 cases

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 following departure he proceeded to practice maneuvers in the local area. According to the pilot no mechanical malfunctions occurred during flight. After flying about 45 minutes and during a turn, a brown bird suddenly appeared in the upper right corner of the windshield and collided with the airplane. A portion of the windshield broke out and the pilot lost partial control. The pilot was unable to maintain altitude and he made a forced landing in an open field. During rollout on uneven terrain the landing gear separated from the fuselage.

Factual narrative

The pilot reported that prior to taking off for a personal flight he added 6 gallons of fuel to the airplane. This was adequate for several hours of flying. Thereafter, he proceeded to practice maneuvers in the local area. According to the pilot, no mechanical malfunctions occurred during flight. After flying about 45 minutes and during a turn, a brown bird suddenly appeared in the upper right corner of the windshield. It collided with the airplane. A portion of the windshield broke out, and the pilot lost partial control. The pilot was unable to maintain altitude, and he made a forced landing in an open field. During rollout on uneven terrain the landing gear separated from the fuselage, which was bent.

Aircraft

Registration
N4579H
Reported as
Piper PA-15
Category
Airplane
Serial number
15-353
Airframe hours
1,590
Engine
Lycoming O-145B SERIES, 65 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Petersen Rodger E
Registered owner
Petersen Rodger E
Airworthiness certificate
Standard, Normal
Last inspection
Annual · June 16, 2010 · 12 hours before
Departed
1WA6 · Fall City, WA
Destination
1WA6 · Fall City, WA

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
65
Injuries
Minor
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, With waivers/limitations
Last flight review
August 29, 2009
Seat
Left
Flight hours
332 total · 79 in this make and model · 334 as pilot in command · 21 in the last 90 days · 6 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
340° at 4 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
70 °F, dew point 45 °F
Altimeter
30.10 inHg

Docket · 2

The files NTSB released with the investigation on October 1, 2010, on NTSB’s docket system: statements, records, photos and specialists’ reports. 281 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.