Alpine Co. Arpt Airport
Aircraft Accident/Incident Report

Markleville, California 96120
Saturday, August 9, 1986 17:00 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT OF THE GLASS FUGEL GLIDER REPORTED NO MALFUNCTIONS WITH THE AIRPLANE PRIOR TO THE CRASH AFTER ATTEMPTING A CIRCLE TO LAND MANEUVER. THE PILOT INDICATED HE MISJUDGED HIS ALTITUDE WITH THE UP HILL SLOPING RUNWAY. DURING THE CIRCLING MANEUVER HE FORGOT TO FLY THE AIRPLANE AND ALLOWED THE AIRSPEED TO GET TOO LOW WHICH RESULTED IN AN INFLIGHT LOSS OF CONTROL AND SPIN INTO THE GROUND.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/9/1986
Event Day of the Week Saturday
Time of Event 1700
Event Time Zone Pacific Daylight Time
Event City MARKLEVILLE
Event State CALIFORNIA
Event Country --
Zipcode of the event site 96120
Event Date Year 1986
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport ALPINE CO. ARPT
Event Location Nearest Airport ID Q82
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 5867
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 Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 60
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 160
Variable Wind Indicator Unknown
Wind Speed (knots) 3
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
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) 2536
NTSB Notification Source --
NTSB Notification Date Aug 9 1986 12:00AM
NTSB Notification Time 2220
Fiche Number and/or location -used to find docket information 33464
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7190
NTSB Number LAX86LA318
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 Glasflugel
Aircraft Model STANDARD LIBELLE
Aircraft Series Identifier STANDARD L
Aircraft Serial Number 93
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 1
Number of Engines 0
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Dec 14 1985 12:00AM
Airframe hours since last inspection 52
Airframe Hours 954
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name PERRY BURHOLM
Aircraft Owner Street Address 5632 LADYBIRD LN
Aircraft Owner City LAJOLLA
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 92192
Operator is an individual? --
Operator Name PERRY BURHOLM
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 5632 LADYBIRD LANE
Operator City LAJOLLA
Operator State CA
Operator Country
Operator Zip code 92192
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 0
Departure Time Zone
Destination Same as Local Flt crash at destination city
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 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 16
Runway Length 4440
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --