Starks Twin Oaks Airpark Airport
Aircraft Accident/Incident Report

Hillsboro, Oregon 97123
Monday, October 27, 1986 11:30 PST

NTSB Narrative Summary Released at Completion of Accident

THE PILOT ELECTED TO LAND WITH A 12 TO 15 KNOT TAILWIND. AN EXCESSIVE GROUND SPEED RESULTED WITH AN OVERSHOOT. THE PILOT ELECTED TO GO-AROUND TOO LATE AND ONCE THE GO-AROUND WAS ATTEMPTED THE AIRCRAFT STRUCK TREES AT THE DEPARTURE END OF THE RUNWAY AT ABOUT 10 FT AGL. THE ACFT CAME TO REST IN A FRESHLY PLOWED FIELD.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 10/27/1986
Event Day of the Week Monday
Time of Event 1130
Event Time Zone Pacific Standard Time
Event City HILLSBORO
Event State OREGON
Event Country --
Zipcode of the event site 97123
Event Date Year 1986
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport STARKS TWIN OAKS AIRPARK
Event Location Nearest Airport ID 7S3
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 160
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 4500
Lowest Non-Ceiling Height 3000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 16
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2217
NTSB Notification Source --
NTSB Notification Date Oct 27 1986 12:00AM
NTSB Notification Time 1230
Fiche Number and/or location -used to find docket information 32791
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N6625U
NTSB Number SEA87LA015
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name MOONEY
Aircraft Model M20D
Aircraft Series Identifier M20D
Aircraft Serial Number 120
Certified Max Gross Weight 2500
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Mar 28 1986 12:00AM
Airframe hours since last inspection --
Airframe Hours 2406
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name F. MATTMAN & ALBERT CORNELIUSM
Aircraft Owner Street Address 32497 CALLAHAN ROAD
Aircraft Owner City SCAPPOOSE
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
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 HIO
Departure City HILLSBORO
Departure State OR
Departure Country
Departure Time 1100
Departure Time Zone PST
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 20
Runway Length 2100
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --