Sonoma Skypark Airport
Aircraft Accident/Incident Report

Sonoma, California 95476
Friday, August 2, 2013 11:43 PDT

NTSB Narrative Summary Released at Completion of Accident

During a practice landing, the pilot lost directional control on the landing roll and drifted towards the right. The pilot did not act in a timely manner to prevent the airplane from departing the runway surface and the airplane subsequently struck foliage and sustained substantial damage to the wing. The pilot reported no preimpact mechanical failures or malfunctions with the airplane that would have precluded normal operation.

NTSB Probable Cause Narrative

The pilot's failure to maintain directional control during the landing roll.

Event Information

Type of Event Accident
Event Date 8/2/2013
Event Day of the Week Friday
Time of Event 1143
Event Time Zone Pacific Daylight Time
Event City Sonoma
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95476
Event Date Year 2013
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 381516N
Event Location Longitude 1222702W
Event Location Airport Sonoma Skypark
Event Location Nearest Airport ID 0Q9
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 80
Airport Elevation 20
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) 235
Weather Observation Facility ID DVO
Elevation of weather observation facility 2
Distance of event from weather observation facility (units?) 9
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) 21
Dew Point at event time (in degress fahrenheit) 13
Wind Direction (degrees magnetic) 120
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 7
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 29.97
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report METAR KDVO 021835Z AUTO 12007KT 10SM CLR 21/13 A29
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 32161
NTSB Notification Source FAA Regional Operations Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Dec 12 2013 6:12PM
User who most recently changed record stam
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4738E
NTSB Number WPR13CA357
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CHAMPION
Aircraft Model 7EC
Aircraft Series Identifier --
Aircraft Serial Number 7EC-83
Certified Max Gross Weight 1320
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 --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type Unknown
Aircraft Owner Name SCARBROUGH LEON T JR
Aircraft Owner Street Address --
Aircraft Owner City Vineburg
Aircraft Owner State CA
Aircraft Owner Country USA
Aircraft Owner Zipcode 95489
Operator is an individual? Yes
Operator Name SCARBROUGH LEON T JR
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City Vineburg
Operator State CA
Operator Country USA
Operator Zip code 95489
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
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 Yes
Departure Airport Code 0Q9
Departure City Sonoma
Departure State CA
Departure Country USA
Departure Time 1143
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code 0Q9
Destination City Sonoma
Destination State CA
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 12 2013 6:13PM
User who most recently changed record stam
Since inspection or accident --
Event Location Runway Number and Location 08
Runway Length 2480
Runway Width 40
Sight Seeing flight No
Air Medical Flight No
Medical Flight --