Woodbine Gliderport Airport
Aircraft Accident/Incident Report

Woodbine, Maryland 21797
Saturday, May 11, 1996 15:30 EDT

NTSB Narrative Summary Released at Completion of Accident

The pilot stated that his weather information was what he had heard on a weather radio in the local area. When he took off there were strong winds with scattered to broken cumulus clouds in the area. Fifteen minutes after being released by the tow airplane, he noticed the 'black wall' of the cold front quickly approaching from the west. He started an immediate descent toward the field. During his approach to the field, he encountered severe turbulence and in order to avoid an extreme crosswind landing, he decided to land diagonally across the runway into the wind. Shortly before touchdown, the pilot encountered a sudden and severe down draft causing his head to hit and break the plexiglass canopy. The glider's right wing tip then hit the ground and the glider did a 360-degree 'ground-loop'.

NTSB Probable Cause Narrative

The pilot's decision to fly with inadequate research of forecast weather.

Event Information

Type of Event Accident
Event Date 5/11/1996
Event Day of the Week Saturday
Time of Event 1530
Event Time Zone Eastern Daylight Time
Event City WOODBINE
Event State MARYLAND
Event Country --
Zipcode of the event site 21797
Event Date Year 1996
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport WOODBINE GLIDERPORT
Event Location Nearest Airport ID PVT
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 725
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 Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 5
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 30
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 43
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 NTSB
NTSB Docket Number (internal use) 1956
NTSB Notification Source --
NTSB Notification Date May 23 1996 12:00AM
NTSB Notification Time 1300
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 8 2000 10:00AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N112LK
NTSB Number IAD96LA083
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 Lithuanian Factory of Aviation
Aircraft Model LAK-12
Aircraft Series Identifier LAK-12
Aircraft Serial Number 6220
Certified Max Gross Weight --
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 --
Number of Engines --
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 15 1995 12:00AM
Airframe hours since last inspection 20
Airframe Hours 54
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name URS THIERSTEIN/STEVE CRUISE
Aircraft Owner Street Address 12107-L MAPLE FOREST COURT
Aircraft Owner City FAIRFAX
Aircraft Owner State VA
Aircraft Owner Country
Aircraft Owner Zipcode 22030
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 3804 KING AUTHOR ROAD
Operator City ANNANDALE
Operator State VA
Operator Country
Operator Zip code 22003
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 1500
Departure Time Zone EDT
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 Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 3
Runway Length 1600
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --