Schaumburg Airpark Airport
Aircraft Accident/Incident Report

Schaumburg, Illinois 60194
Saturday, June 13, 1992 14:00 CDT

NTSB Narrative Summary Released at Completion of Accident

THE HOMEBUILT AIRPLANE LOST ENGINE POWER DURING INITIAL CLIMB FROM TAKEOFF, AND THE PILOT MADE A FORCED LANDING IN A SWAMP. BOTH MAGNETOS FAILED FUNCTIONAL TEST. ON DISASSEMBLY, BOTH MAGNETOS EXHIBITED BURNED POINTS, PITTED ROTORS, SHORTED CONDENSERS AND OTHER DISCREPANCIES.

NTSB Probable Cause Narrative

SHORTING OF CONDENSERS ON BOTH MAGNETOS. A FACTOR WAS INADEQUATE MAINTENANCE SERVICING OF THE AIRPLANE BY OTHER MAINTNEANCE PERSONNEL.

Event Information

Type of Event Accident
Event Date 6/13/1992
Event Day of the Week Saturday
Time of Event 1400
Event Time Zone Central Daylight Time
Event City SCHAUMBURG
Event State ILLINOIS
Event Country --
Zipcode of the event site 60194
Event Date Year 1992
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SCHAUMBURG AIRPARK
Event Location Nearest Airport ID 06C
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport 240
Airport Elevation 795
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1350 Central Daylight Time
Direction of event from weather observation facility (degrees) 90
Weather Observation Facility ID ORD
Elevation of weather observation facility 667
Distance of event from weather observation facility (units?) 8
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 6000
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) 15
Air Temperature at event time (in degrees celsius) 32
Dew Point at event time (in degress fahrenheit) 9
Wind Direction (degrees magnetic) 360
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
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 Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 2
Injury Total All 2
Investigating Agency FAA
NTSB Docket Number (internal use) 3026
NTSB Notification Source --
NTSB Notification Date Jun 13 1992 12:00AM
NTSB Notification Time 1935
Fiche Number and/or location -used to find docket information 47231
Date of most recent change to record Dec 11 2000 2:59PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4PV
NTSB Number CHI92DEE02
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name VANDENBOS/THORP
Aircraft Model T-18
Aircraft Series Identifier T-18
Aircraft Serial Number 495
Certified Max Gross Weight 1650
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 Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jun 10 1992 12:00AM
Airframe hours since last inspection 30
Airframe Hours 450
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name VANDENBOS, CORNELIUS M.
Aircraft Owner Street Address 1037 OAKLAND DR
Aircraft Owner City STREAMWOOD
Aircraft Owner State IL
Aircraft Owner Country
Aircraft Owner Zipcode 60107
Operator is an individual? --
Operator Name VANDENBOS, CORNELIUS M.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 1037 OAKLAND DR
Operator City STREAMWOOD
Operator State IL
Operator Country
Operator Zip code 60107
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 Yes
Departure Point Same as Event Yes
Departure Airport Code 06C
Departure City
Departure State
Departure Country
Departure Time 1355
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code 06C
Destination City
Destination State
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 28
Runway Length 3000
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --