Aircraft Accident/Incident Report

Ephrata, Washington 98823
Thursday, May 26, 1983 16:30 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT REPORTED THAT HE WAS FORCED TO LAND AFTER THERMAL ACTIVITY SUBSIDED AND HE WAS UNABLE TO FIND AN AREA OF LIFT. HE ELECTED TO LAND IN THE LAST CULTIVATED FIELD BEFORE REACHING AN AREA OF SAGE BRUSH. REPORTEDLY, A DUST DEVIL WAS ENCOUNTERED DURING TOUCHDOWN. SUBSEQUENTLY, THE LEFT WING CONTACTED THE GROUND & THE GLIDER TURNED ABOUT 110 DEG. THE RIGHT WING & FUSELAGE WERE DAMAGED WHEN THE GLIDER SKIDDED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/26/1983
Event Day of the Week Thursday
Time of Event 1630
Event Time Zone Pacific Daylight Time
Event City EPHRATA
Event State WASHINGTON
Event Country --
Zipcode of the event site 98823
Event Date Year 1983
Event Date Month 5
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 7
Degrees magnetic from airport 240
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 2154 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 300
Weather Observation Facility ID EPH
Elevation of weather observation facility 1272
Distance of event from weather observation facility (units?) 7
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) 30
Air Temperature at event time (in degrees celsius) 29
Dew Point at event time (in degress fahrenheit) 4
Wind Direction (degrees magnetic) 150
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 215
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 20375
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 N91419
NTSB Number SEA83LA109
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 I.C.A. BRASOV
Aircraft Model IS-29D
Aircraft Series Identifier IS-29D
Aircraft Serial Number 62
Certified Max Gross Weight 727
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 0
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection May 21 1982 12:00AM
Airframe hours since last inspection 25
Airframe Hours 355
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name LEROY A. DUNSTON
Aircraft Owner Street Address ROUTE 1, BOX 157
Aircraft Owner City SAGLE
Aircraft Owner State ID
Aircraft Owner Country
Aircraft Owner Zipcode 83860
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 Yes - certificate holder
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 0
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code 80WA
Destination City QUINCY
Destination State WA
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 --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --