Sky Sailing Airport
Aircraft Accident/Incident Report

Fremont, California 94538
Saturday, February 1, 1986 10:45 PST

NTSB Narrative Summary Released at Completion of Accident

ON FEBRUARY 1, 1986 AT ABOUT 1045 PST A GROB 103 GLIDER, N103BK, GROUND LOOPED IN MUD FOLLOWING AN ABORTED TAKEOFF AT SKY SAILING AIRPORT, FREEMONT CALIFORNIA. THE PILOT ELECTED TO ABORT THE TAKEOFF BECAUSE IT APPEARED THE TOW AIRCRAFT WAS NOT CLIMBING NORMALLY. THE TOW OPERATION WAS CONDUCTED IN ACCORDANCE WITH STANDARD PROCEDURES WHICH DO NOT REQUIRE THE GLIDER PILOT TO COORDINATE WITH THE TOW AIRCRAFT PILOT PRIOR TO THE FLIGHT. AFTER THE GLIDER RELEASED, IT DROPPED 18 INCHES TO THE GROUND, VEERED TO THE RIGHT AND COLLIDED WITH A DITCH.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 2/1/1986
Event Day of the Week Saturday
Time of Event 1045
Event Time Zone Pacific Standard Time
Event City FREMONT
Event State CALIFORNIA
Event Country --
Zipcode of the event site 94538
Event Date Year 1986
Event Date Month 2
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SKY SAILING
Event Location Nearest Airport ID 8Q7
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 12
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) 30
Air Temperature at event time (in degrees celsius) 18
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 190
Variable Wind Indicator Unknown
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 61
NTSB Notification Source --
NTSB Notification Date Feb 1 1986 12:00AM
NTSB Notification Time 1245
Fiche Number and/or location -used to find docket information 30020
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 N102BK
NTSB Number LAX86LA105
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 Burkhart Grob
Aircraft Model 103
Aircraft Series Identifier 103
Aircraft Serial Number 33953-K-186
Certified Max Gross Weight 950
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 2
Number of Engines --
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours 430
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name ANTONIO M. SABINO
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 612D WEST COURT
Operator City MOUNTAIN VIEW
Operator State CA
Operator Country
Operator Zip code 94043
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 1045
Departure Time Zone PST
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 Landing
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 28
Runway Length 1840
Runway Width 30
Sight Seeing flight No
Air Medical Flight No
Medical Flight --