Fond Du Lac County Airport
Aircraft Accident/Incident Report

Fond Du Lac, Wisconsin 54935
Friday, August 1, 1986 16:15 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT EXPERIENCED A COMPLETE ELECTRICAL SYSTEM FAILURE THAT WAS CAUSED BY A BROKEN WIRE AT AN ALTERNATOR TERMINAL. UPON EXTENSION OF THE HYDRAULICALLY OPERATED LANDING GEAR A SAFE GEAR DOWN INDICATION WAS NOT OBTAINED. ACTIVATION OF THE CO2 OPERATED EMERGENCY GEAR EXTENSION SYSTEM FAILED TO PROVIDE A SAFE GEAR DOWN INDICATION. THE PILOT WAS UNABLE TO COMMUNICATE WITH ANY FACILITY TO DETERMINE THE POSITION OF THE LANDING GEAR BECAUSE OF THE LOSS OF ELECTRICAL POWER. HE ELECTED TO LAND ON THE GRASS ADJACENT TO THE RUNWAY. THE GEAR WAS DOWN AND UPON TOUCHDOWN, THE NOSE GEAR COLLAPSED WHEN IT DUG INTO THE SOFT TERRAIN. THE AIRCRAFT THEN FLIPPED INVERTED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/1/1986
Event Day of the Week Friday
Time of Event 1615
Event Time Zone Central Daylight Time
Event City FOND DU LAC
Event State WISCONSIN
Event Country --
Zipcode of the event site 54935
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 FOND DU LAC COUNTY
Event Location Nearest Airport ID FLD
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 809
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1550 Central Daylight Time
Direction of event from weather observation facility (degrees) 345
Weather Observation Facility ID OSH
Elevation of weather observation facility 805
Distance of event from weather observation facility (units?) 13
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 15000
Lowest Non-Ceiling Height 4000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) 15
Wind Direction (degrees magnetic) 260
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
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) 2628
NTSB Notification Source --
NTSB Notification Date Aug 1 1986 12:00AM
NTSB Notification Time 1620
Fiche Number and/or location -used to find docket information 33864
Date of most recent change to record Dec 13 2000 4:44PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N137JM
NTSB Number CHI86FA193
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CAPETOWN BUILDERS
Aircraft Model GLASAIR RG
Aircraft Series Identifier GLASAIR RG
Aircraft Serial Number 137
Certified Max Gross Weight --
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jul 16 1986 12:00AM
Airframe hours since last inspection 25
Airframe Hours 434
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name CAPETOWN BUILDERS, INC.
Aircraft Owner Street Address 7200 POINSETTA AVE.
Aircraft Owner City CAPE CANAVERAL
Aircraft Owner State FL
Aircraft Owner Country
Aircraft Owner Zipcode 32920
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 No
Departure Airport Code IND
Departure City INDIANAPOLIS
Departure State IN
Departure Country
Departure Time 1330
Departure Time Zone CDT
Destination Same as Local Flt crash at destination city
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 10:36AM
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 --