Tillamook Airport
Aircraft Accident/Incident Report

Tillamook, Oregon 97141
Saturday, September 3, 2011 11:40 PDT

NTSB Narrative Summary Released at Completion of Accident

The pilot was taxiing for takeoff in a gusting left-quartering tailwind. Suddenly, the airplane rotated over 90 degrees to the left. The right main landing gear collapsed, and the airplane dropped onto its right wing and horizontal stabilizer. The pilot reported that he believed the loss of control was due to a strong gust of wind. Although postaccident visual examination of the airplane revealed some areas of corrosion on the fractured right main landing gear pivot bushing, a follow up laboratory examination determined that the pivot bushing failed due to overload. No evidence of preexisting fatigue cracking was found.

NTSB Probable Cause Narrative

The pilot’s loss of directional control while taxiing in a gusting tailwind.

Event Information

Type of Event Accident
Event Date 9/3/2011
Event Day of the Week Saturday
Time of Event 1140
Event Time Zone Pacific Daylight Time
Event City Tillamook
Event State OREGON
Event Country --
Zipcode of the event site 97141
Event Date Year 2011
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 452503N
Event Location Longitude 1234842W
Event Location Airport Tillamook
Event Location Nearest Airport ID TMK
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 36
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1135 Pacific Daylight Time
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID TMK
Elevation of weather observation facility 36
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 27
Dew Point at event time (in degress fahrenheit) 2
Wind Direction (degrees magnetic) 50
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 13
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 29.99
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 3
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 30450
NTSB Notification Source FAA ROC
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Nov 1 2012 11:58AM
User who most recently changed record johb
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9112H
NTSB Number WPR11LA427
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed Company VFR
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name STINSON
Aircraft Model V77
Aircraft Series Identifier --
Aircraft Serial Number 77-311
Certified Max Gross Weight 3875
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 5
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours 1440
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name BOWDON NOREEN
Aircraft Owner Street Address --
Aircraft Owner City VANCOUVER
Aircraft Owner State WA
Aircraft Owner Country USA
Aircraft Owner Zipcode 98683-5500
Operator is an individual? No
Operator Name BOWDON NOREEN
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City VANCOUVER
Operator State WA
Operator Country USA
Operator Zip code 98683-5500
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Other Work Use
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code TMK
Departure City Tillamook
Departure State OR
Departure Country USA
Departure Time --
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code TMK
Destination City Tillamook
Destination State OR
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Aug 24 2012 5:18PM
User who most recently changed record coos
Since inspection or accident --
Event Location Runway Number and Location 01
Runway Length 2910
Runway Width 75
Sight Seeing flight Yes
Air Medical Flight No
Medical Flight --