Aircraft Accident/Incident Report

Bridgeport, California 93517
Monday, July 13, 1998 16:00 PDT

NTSB Narrative Summary Released at Completion of Accident

The pilot was flying low in a canyon with no thermal activity and attempted to gain lift by flying close to a ridge. The glider impacted a tree and the wings were torn off. The elevation at the accident site was approximately 7,700 feet msl. The pilot reported no mechanical malfunction with the aircraft prior to the accident.

NTSB Probable Cause Narrative

The failure of the pilot to maintain clearance with the trees while maneuvering to locate a thermal lift.

Event Information

Type of Event Accident
Event Date 7/13/1998
Event Day of the Week Monday
Time of Event 1600
Event Time Zone Pacific Daylight Time
Event City BRIDGEPORT
Event State CALIFORNIA
Event Country --
Zipcode of the event site 93517
Event Date Year 1998
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 2247 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID TVL
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation PDT
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) 40
Air Temperature at event time (in degrees celsius) 27
Dew Point at event time (in degress fahrenheit) 3
Wind Direction (degrees magnetic) 220
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 14
Altimeter Setting at event time (in. Hg) 30
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 NTSB
NTSB Docket Number (internal use) 574
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 930
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Feb 16 2001 11:57AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N95KM
NTSB Number LAX98LA234
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 Schempp-Hirth
Aircraft Model DISCUS A
Aircraft Series Identifier DISCUS A
Aircraft Serial Number 534
Certified Max Gross Weight 1157
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 --
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jun 27 1998 12:00AM
Airframe hours since last inspection 29
Airframe Hours 424
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name TONY SABINO
Aircraft Owner Street Address P.O. BOX 1764
Aircraft Owner City MINDEN
Aircraft Owner State NV
Aircraft Owner Country
Aircraft Owner Zipcode 89423
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 MEV
Departure City MINDEN
Departure State NV
Departure Country
Departure Time 1356
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code O26
Destination City LONE PINE
Destination State CA
Destination Country
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Feb 20 2001 6:29PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --