Vacaville Glider Port Airport
Aircraft Accident/Incident Report

Vacaville, California 95688
Tuesady, August 28, 1990 14:00 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT OF THE GLIDER NOTICED A TRACTOR DRIVE ACROSS THE RUNWAY AT THE APPROXIMATE AREA OF THE INTENDED TOUCHDOWN POINT. THE PILOT ALTERED HIS COURSE AND TOUCHED DOWN IN ANOTHER SUITABLE AREA. PRIOR TO STOPPING THE WINGTIP OF THE SAILPLANE CONTACTED THE ROTATING PROPELLER OF A TOWPLANE WHICH WAS STOPPED ON THE SIDE OF THE RUNWAY.

NTSB Probable Cause Narrative

THE UNAUTHORIZED ENTRY ONTO THE RUNWAY BY A VEHICLE OPERATOR.

Event Information

Type of Event Accident
Event Date 8/28/1990
Event Day of the Week Tuesday
Time of Event 1400
Event Time Zone Pacific Daylight Time
Event City VACAVILLE
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95688
Event Date Year 1990
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport VACAVILLE GLIDER PORT
Event Location Nearest Airport ID NONE
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 220
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
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 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
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) 29
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Variable
Wind Speed (knots) 0
Wind Velocity Indicator Calm
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 None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency FAA
NTSB Docket Number (internal use) 1855
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 43752
Date of most recent change to record Dec 12 2000 5:16PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N132S
NTSB Number LAX90DVG18
Missing Aircraft Indicator N
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 GLASER-DIRKS
Aircraft Model D6-100G
Aircraft Series Identifier D6-100G
Aircraft Serial Number E186G15
Certified Max Gross Weight 850
Aircraft Category Glider
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 1
Number of Engines 0
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jul 21 1990 12:00AM
Airframe hours since last inspection 65
Airframe Hours 810
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SILVERADO SOARING INC.
Aircraft Owner Street Address 639 UPLAND RD.
Aircraft Owner City REDWOOD CITY
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 94062
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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1330
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 23
Runway Length 2200
Runway Width 60
Sight Seeing flight No
Air Medical Flight No
Medical Flight --