Vansant Airport
Aircraft Accident/Incident Report

Erwinna, Pennsylvania 18920
Thursday, July 8, 1999 15:30 EDT

NTSB Narrative Summary Released at Completion of Accident

The pilot flew a left traffic pattern to Runway 23. On short final approach, approximately 100 feet from the runway threshold, a gust of wind forced the glider to the left, into trees. At an airport approximately 17 miles away, at 1551, the reported winds were from 280 degrees at 10 knots, gusting to 19 knots, an varying from 250 to 320 degrees.

NTSB Probable Cause Narrative

The pilot-in-command's failure to maintain aircraft control.

Event Information

Type of Event Accident
Event Date 7/8/1999
Event Day of the Week Thursday
Time of Event 1530
Event Time Zone Eastern Daylight Time
Event City ERWINNA
Event State PENNSYLVANIA
Event Country --
Zipcode of the event site 18920
Event Date Year 1999
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport VANSANT AIRPORT
Event Location Nearest Airport ID 9N1
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 390
Weather Briefing Completeness Partial - limited by pilot
Investigator's weather source Weather Observation Facility
Time of the weather observation 1551 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 17
Weather Observation Facility ID ABE
Elevation of weather observation facility 394
Distance of event from weather observation facility (units?) 140
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 9000
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) 10
Air Temperature at event time (in degrees celsius) 29
Dew Point at event time (in degress fahrenheit) 8
Wind Direction (degrees magnetic) 280
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 19
Altimeter Setting at event time (in. Hg) 29
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) 294
NTSB Notification Source --
NTSB Notification Date Jul 9 1999 12:00AM
NTSB Notification Time 1100
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 12 2000 11:45AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N20RK
NTSB Number NYC99LA170
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 Pilatus
Aircraft Model B-4
Aircraft Series Identifier B-4
Aircraft Serial Number 249
Certified Max Gross Weight 770
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jun 24 1999 12:00AM
Airframe hours since last inspection 3
Airframe Hours 187
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name RICHARD J. KEARNEY
Aircraft Owner Street Address 693 PRESIDENT STREET
Aircraft Owner City BROOKLYN
Aircraft Owner State NY
Aircraft Owner Country
Aircraft Owner Zipcode 11215
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 9N1
Departure City
Departure State
Departure Country
Departure Time 1246
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 Approach
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 1340
Runway Width 200
Sight Seeing flight No
Air Medical Flight No
Medical Flight --