Kettle Moraine Airport
Aircraft Accident/Incident Report

Campbellsport, Wisconsin 53010
Saturday, August 14, 1999 18:30 CDT

NTSB Narrative Summary Released at Completion of Accident

A witness stated the airplane was taking off to the northeast, the '...engine sound indicated normal take-off power,' and the airplane '...pitched-up steeply.' The airplane's pitch '...went to vertical', the airplane's speed dissipated, and the airplane pitched '...down through [the] horizon.' He stated that the airplane rolled and turned approximately 270 degrees, went behind trees, and an '...impact thud was heard.' Another witness said the airplane did not '...get more than 400 feet off the ground.' The witness said the airplane '...looked like he was going to turn upside down, and he did turn upside down for awhile.' She said she saw the airplane's propeller turning in the air and the airplane '...seemed to just shoot right down to the ground.' The witness said, '...as soon as it hit the ground it burst into flames.' An on-scene inspection of the airplane revealed no pre-impact anomalies.

NTSB Probable Cause Narrative

The loss of control during initial climb for undetermined reasons.

Event Information

Type of Event Accident
Event Date 8/14/1999
Event Day of the Week Saturday
Time of Event 1830
Event Time Zone Central Daylight Time
Event City CAMPBELLSPORT
Event State WISCONSIN
Event Country --
Zipcode of the event site 53010
Event Date Year 1999
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport KETTLE MORAINE AIRPORT
Event Location Nearest Airport ID 56C
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 350
Airport Elevation 1040
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1838 Central Daylight Time
Direction of event from weather observation facility (degrees) 169
Weather Observation Facility ID ETB
Elevation of weather observation facility 886
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation CDT
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) 10
Air Temperature at event time (in degrees celsius) 19
Dew Point at event time (in degress fahrenheit) 14
Wind Direction (degrees magnetic) 110
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) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1139
NTSB Notification Source --
NTSB Notification Date Aug 14 1999 12:00AM
NTSB Notification Time 2030
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Jan 23 2001 9:34AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N42J
NTSB Number CHI99FA296
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 Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name Johannes-Robert
Aircraft Model ACROSPORT RJ-2
Aircraft Series Identifier ACROSPORT
Aircraft Serial Number 2
Certified Max Gross Weight 1520
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 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name MICHAEL JOHN POLSEN
Aircraft Owner Street Address 1627 BEVERLY LANE
Aircraft Owner City WEST BEND
Aircraft Owner State WI
Aircraft Owner Country
Aircraft Owner Zipcode 53095
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 Yes
Departure Airport Code 56C
Departure City
Departure State WI
Departure Country
Departure Time 1830
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code ETB
Destination City WEST BEND
Destination State WI
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 23 2001 11:29AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 2600
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --