Wittman Field Airport
Aircraft Accident/Incident Report

Oshkosh, Wisconsin 54901
Thursday, July 28, 1988 10:15 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT WAS ON A FLT TO OSHKOSH TO DISPLAY HIS ACFT AT AN EAA CONVENTION. WHEN HE ARRIVED, TRAFFIC WAS HEAVY & SPECIAL TRAFFIC PROCEDURES WERE IN EFFECT. INFO TO ATTENDEES ADVERTISED THAT RWYS 18 & 36 WOULD BE USED PRIMARILY FOR DISPLAY ACFT, WHILE THE EAST/WEST RWYS WERE INTENDED FOR ITINERANT ACFT; HOWEVER, THERE WAS NO RESTRICTION ON RWY USE, & WHEN REQUESTED, PLTS WOULD BE CLRD TO LND ON EITHER SET OF RWYS. DUE TO HVY TRAFFIC, WND INFO WAS GIVEN ONLY WHEN REQUESTED, BUT ATIS INFO WAS AVAILABLE. DRG ARR, THE PLT WAS INSTRUCTED TO ENTER TRAFFIC FOR RWY 36R (A TWY CONVERTED TO A RWY FOR THE FLY-IN). THE PLT HAD RECEIVED ATIS INFO & SAID HE WAS AWARE OF THE X-WND BEFORE LNDG. DRG THE LNDG, THE ACFT VEERED ABOUT HALF WAY OFF THE RWY. SUBSEQUENTLY, IT WAS DAMAGED BY THE EDGE LIGHTS & THE EDGE OF THE RWY.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/28/1988
Event Day of the Week Thursday
Time of Event 1015
Event Time Zone Central Daylight Time
Event City OSHKOSH
Event State WISCONSIN
Event Country --
Zipcode of the event site 54901
Event Date Year 1988
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport WITTMAN FIELD
Event Location Nearest Airport ID OSH
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 805
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 955 Central Daylight Time
Direction of event from weather observation facility (degrees) 330
Weather Observation Facility ID OSH
Elevation of weather observation facility 805
Distance of event from weather observation facility (units?) 5
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) 15
Air Temperature at event time (in degrees celsius) 32
Dew Point at event time (in degress fahrenheit) 15
Wind Direction (degrees magnetic) 260
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
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) 1475
NTSB Notification Source --
NTSB Notification Date Jul 29 1988 12:00AM
NTSB Notification Time 830
Fiche Number and/or location -used to find docket information 37600
Date of most recent change to record Dec 13 2000 11:55AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N398
NTSB Number CHI88FA178
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 SONERAI
Aircraft Model IIL
Aircraft Series Identifier IIL
Aircraft Serial Number DW0893
Certified Max Gross Weight 925
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 Aug 12 1987 12:00AM
Airframe hours since last inspection 27
Airframe Hours 110
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name OUVERSON, DENNIS
Aircraft Owner Street Address 2169 2ND AVE. SO.
Aircraft Owner City CLEAR LAKE
Aircraft Owner State IA
Aircraft Owner Country
Aircraft Owner Zipcode 50428
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 CB5
Departure City BARABOO
Departure State WI
Departure Country
Departure Time 945
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 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 36
Runway Length 8001
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --