Borges-Clarksburg Airport
Aircraft Accident/Incident Report

Clarksburg, California 95612
Friday, December 4, 2009 15:30 PST

NTSB Narrative Summary Released at Completion of Accident

Witnesses who spoke with the pilot immediately after the accident reported that he stated he approached the runway too high and too fast. The airplane overran the runway end and collided with blackberry bushes and a tree about 20-25 feet from the end of the runway. The firewall was substantially damaged.

NTSB Probable Cause Narrative

The pilot’s improper touchdown point and excessive airspeed during landing, which resulted in a runway overrun.

Event Information

Type of Event Accident
Event Date 12/4/2009
Event Day of the Week Friday
Time of Event 1530
Event Time Zone Pacific Standard Time
Event City Clarksburg
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95612
Event Date Year 2009
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 382621N
Event Location Longitude 1213019W
Event Location Airport Borges-Clarksburg Airport
Event Location Nearest Airport ID CN13
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport --
Airport Elevation 12
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1553 Pacific Standard Time
Direction of event from weather observation facility (degrees) 360
Weather Observation Facility ID SAC
Elevation of weather observation facility 24
Distance of event from weather observation facility (units?) 3
Time Zone of the weather observation PST
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) 4
Air Temperature at event time (in degrees celsius) 12
Dew Point at event time (in degress fahrenheit) 6
Wind Direction (degrees magnetic) 320
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 3
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.12
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report 3:53 PM 54.0 °F 43.0 °F 66% 30.12 in 4.0 miles
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) 28248
NTSB Notification Source FAA- WP 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 Apr 15 2011 1:23PM
User who most recently changed record coos
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N6649M
NTSB Number WPR10LA072
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 STINSON
Aircraft Model 108-3
Aircraft Series Identifier --
Aircraft Serial Number 108-4649
Certified Max Gross Weight 2400
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 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name SALE REPORTED- Mark D Boyd
Aircraft Owner Street Address --
Aircraft Owner City SAN FRANCISCO
Aircraft Owner State CA
Aircraft Owner Country USA
Aircraft Owner Zipcode 94146-0675
Operator is an individual? Yes
Operator Name Mark D Boyd
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City SAN FRANCISCO
Operator State CA
Operator Country USA
Operator Zip code 94146-0675
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 HWD
Departure City Hayward
Departure State CA
Departure Country USA
Departure Time --
Departure Time Zone --
Destination Same as Local Flt crash at destination city
Destination Airport Code CN13
Destination City Clarksburg
Destination State CA
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Apr 15 2011 1:23PM
User who most recently changed record coos
Since inspection or accident --
Event Location Runway Number and Location 09
Runway Length 2260
Runway Width 90
Sight Seeing flight No
Air Medical Flight No
Medical Flight --