Wasilla Airport
Aircraft Accident/Incident Report

Wasilla, Alaska 99687
Thursday, August 26, 2010 20:30 AKD

NTSB Narrative Summary Released at Completion of Accident

The private pilot was returning to his home airport from another local airport, operating the airplane under Title 14, CFR Part 91. He said after landing on the gravel runway, the airplane went off the right side of the runway, and vegetation caused it to pull hard to the right. The pilot said once off the runway, the airplane encountered a culvert and nosed over. He said there were no preaccident mechanical problems with the airplane, and that the airplane sustained substantial damage to the wings and lift struts.

NTSB Probable Cause Narrative

The pilot's failure to maintain directional control during landing, resulting in a runway excursion and nose over.

Event Information

Type of Event Accident
Event Date 8/26/2010
Event Day of the Week Thursday
Time of Event 2030
Event Time Zone --
Event City Wasilla
Event State ALASKA
Event Country --
Zipcode of the event site 99687
Event Date Year 2010
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 613419N
Event Location Longitude 1493222W
Event Location Airport Wasilla
Event Location Nearest Airport ID PAWS
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 --
Weather Briefing Completeness --
Investigator's weather source Pilot
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height 6000
Sky/Lowest/Cloud Conditions Thin Overcast
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 50
Air Temperature at event time (in degrees celsius) 16
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator Calm
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 29.77
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 27729
NTSB Notification Source FAA Anchorage, ROC
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Oct 28 2010 6:01PM
User who most recently changed record stam
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9730P
NTSB Number ANC10CA077
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-18-150
Aircraft Series Identifier --
Aircraft Serial Number 18-7609007
Certified Max Gross Weight 1750
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection May 17 2010 12:00AM
Airframe hours since last inspection --
Airframe Hours 2464
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type C91-A
Aircraft Owner Name David Conyngham
Aircraft Owner Street Address --
Aircraft Owner City Wasilla
Aircraft Owner State AK
Aircraft Owner Country USA
Aircraft Owner Zipcode 99654
Operator is an individual? No
Operator Name David Conyngham
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City Wasilla
Operator State AK
Operator Country USA
Operator Zip code 99654
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code PAUO
Departure City Willow
Departure State AK
Departure Country USA
Departure Time 2015
Departure Time Zone ADT
Destination Same as Local Flt crash at destination city
Destination Airport Code PAWS
Destination City Wasilla
Destination State AK
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Oct 28 2010 6:01PM
User who most recently changed record stam
Since inspection or accident Time of Accident
Event Location Runway Number and Location 21R
Runway Length 1690
Runway Width 60
Sight Seeing flight No
Air Medical Flight No
Medical Flight --