Ridge Soaring Airport
Aircraft Accident/Incident Report

Julian, Pennsylvania 16844
Monday, August 29, 1983 11:50 EDT

NTSB Narrative Summary Released at Completion of Accident

THE STUDENT PLT & INSTRUCTOR (CFI) WERE PRACTICING PATTERN WORK & LANDINGS. DURING THE 1ST 3 PATTERNS, THE WIND WAS CALM, HOWEVER, BY THE TIME THEY WERE ON THEIR 4TH PATTERN, THE WIND INCREASED & BECAME GUSTY. WHILE THE STUDENT WAS FLYING THE PATTERN, HE ALLOWED THE GLIDER TO GET LOW ON BASE LEG. THE CFI BELIEVED THERE WOULD BE NO PROBLEM, BUT ON FINAL, THE AIRSPEED DECREASED & THE CFI TOOK CONTROL. HE LOWERED THE NOSE TO GAIN AIRSPEED, BUT THEY ENCOUNTERED UNEXPECTED, SEVERE SINK & WIND GRADIENTS. SUBSEQUENTLY, THE GLIDER CONTACTED THE TOP OF CORN GROWING NEAR THE END OF THE RWY. THE RIGHT WING ENCOUNTERED MORE OF THE CORN THAN THE LEFT WING & THE GLIDER SWERVED RIGHT & IMPACTED THE GROUND SIDEWAYS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/29/1983
Event Day of the Week Monday
Time of Event 1150
Event Time Zone Eastern Daylight Time
Event City JULIAN
Event State PENNSYLVANIA
Event Country --
Zipcode of the event site 16844
Event Date Year 1983
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport RIDGE SOARING
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 815
Weather Briefing Completeness Not pertinent
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 Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 50
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 15
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1502
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 21796
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 N906BG
NTSB Number NYC83LA229
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 BURKHART GROB
Aircraft Model FLUGZEUGBAU G103
Aircraft Series Identifier FLUGZEUGBA
Aircraft Serial Number 3604
Certified Max Gross Weight 700
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 --
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 9 1983 12:00AM
Airframe hours since last inspection 98
Airframe Hours 9810
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name DOIS F. GROVE
Aircraft Owner Street Address RD
Aircraft Owner City JULIAN
Aircraft Owner State PA
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name JAMES F. PLETCHER
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address RD #2, BOX 1756
Operator City LOCK HAVEN
Operator State PA
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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code
Departure City JULIAN
Departure State PA
Departure Country
Departure Time 1145
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 Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:31AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 24
Runway Length 3500
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --