Aircraft Accident/Incident Report

Llano, California 93544
Sunday, July 8, 1984 17:30 PDT

NTSB Narrative Summary Released at Completion of Accident

ACCORDING TO THE PLT, THE GLIDER DID NOT SINK AS FAST AS EXPECTED ON THE DOWNWIND LEG, SO HE EXTENDED FLAPS TO 30 TO 40 DEG, USED SPOILERS & EXTENDED THE DOWNWIND. ON BASE LEG HE ENTERED AN AREA OF HIGH SINK; THEREFORE, HE CLOSED THE SPOILERS & ANGLED TOWARD THE RWY. HE DECIDED THAT HE WOULD BE UNABLE TO REACH THE RWY, SO HE ELECTED TO LAND IN A FIELD, SHORT OF THE ARPT. DURING THE LANDING ON ROUGH TERRAIN, THE RIGHT WING HIT A JOSHUA TREE & THE GLIDER WAS DAMAGED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/8/1984
Event Day of the Week Sunday
Time of Event 1730
Event Time Zone Pacific Daylight Time
Event City LLANO
Event State CALIFORNIA
Event Country --
Zipcode of the event site 93544
Event Date Year 1984
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 1
Degrees magnetic from airport 220
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1655 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 290
Weather Observation Facility ID WJF
Elevation of weather observation facility 2347
Distance of event from weather observation facility (units?) 25
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 20000
Sky/Lowest/Cloud Conditions Scattered
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) 36
Dew Point at event time (in degress fahrenheit) 9
Wind Direction (degrees magnetic) 220
Variable Wind Indicator Unknown
Wind Speed (knots) 24
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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 2
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1147
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 25012
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N99966
NTSB Number LAX84LA386
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 LET
Aircraft Model L-13
Aircraft Series Identifier L-13
Aircraft Serial Number 025919
Certified Max Gross Weight 1200
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 0
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 11 1984 12:00AM
Airframe hours since last inspection 30
Airframe Hours 1509
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name CYPRESS SOARNG, INC.
Aircraft Owner Street Address P.O. BOX 694
Aircraft Owner City CYPRESS
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 90630
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX 1331
Operator City WRIGHTWOOD
Operator State CA
Operator Country
Operator Zip code 92397
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 L01
Departure City LLANO
Departure State CA
Departure Country
Departure Time 1505
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 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 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --