Kenosha Airport
Aircraft Accident/Incident Report

Kenosha, Wisconsin 53141
Thursday, September 1, 1994 21:00 CDT

NTSB Narrative Summary Released at Completion of Accident

THE AMATEUR BUILT AIRPLANE LOST ENGINE POWER SHORTLY AFTER LIFTOFF. THE PILOT WAS ABLE TO LAND THE AIRPLANE ON THE LAST 400' FEET OF RUNWAY, BUT WAS UNABLE TO STOP THE AIRPLANE BEFORE IT RAN OFF THE END AND NOSED-OVER. POSTACCIDENT EXAMINATION OF THE ENGINE AND AIRFRAME DISCOVERED NO PREIMPACT ANOMALIES. THE ENGINE WAS STARTED AND ACCELERATED TO A STATIC RPM OF 2200 WITH NO OBSERVED DEFICIENCIES. FIFTEEN MINUTES PRIOR TO THE ACCIDENT, A WEATHER REPORTING STATION 13 MILES SOUTH OF THE ACCIDENT SITE RECORDED A TEMPERATURE OF 50 DEGREES F., AND A DEWPOINT OF 47 DEGREES F. THIS TEMPERATURE/DEWPOINT COMBINATION FALLS IN THE SERIOUS ICING CATEGORY ON A CARBURETOR ICING PROBABILITY CHART. THE PILOT REPORTED HE DID NOT HAVE TIME TO ATTEMPT AN ENGINE RESTART OR TO USE THE CARBURETOR HEAT CONTROL AFTER THE ENGINE LOST POWER.

NTSB Probable Cause Narrative

the pilot's failure to use carburetor heat in carburetor icing conditions. A factor associated with the accident is the prevailing carburetor icing conditions.

Event Information

Type of Event Accident
Event Date 9/1/1994
Event Day of the Week Thursday
Time of Event 2100
Event Time Zone Central Daylight Time
Event City KENOSHA
Event State WISCONSIN
Event Country --
Zipcode of the event site 53141
Event Date Year 1994
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport KENOSHA
Event Location Nearest Airport ID ENW
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 740
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 2045 Central Daylight Time
Direction of event from weather observation facility (degrees) 180
Weather Observation Facility ID UGN
Elevation of weather observation facility 727
Distance of event from weather observation facility (units?) 13
Time Zone of the weather observation CDT
Lighting Conditions Night/Bright
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 2500
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) 40
Air Temperature at event time (in degrees celsius) 10
Dew Point at event time (in degress fahrenheit) 8
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
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) 927
NTSB Notification Source --
NTSB Notification Date Sep 2 1994 12:00AM
NTSB Notification Time 1000
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 6 2000 12:13PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2911
NTSB Number CHI94LA308
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 THALMAN
Aircraft Model THORP T-18
Aircraft Series Identifier THORP T-18
Aircraft Serial Number 86
Certified Max Gross Weight 1500
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 Nov 29 1993 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name BERNARD J. THALMAN
Aircraft Owner Street Address 2912 OLD GLENVIEW RD.
Aircraft Owner City WILMETTE
Aircraft Owner State IL
Aircraft Owner Country
Aircraft Owner Zipcode 60091
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone CDT
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 Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 6R
Runway Length 4000
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --