Sauk-Prairie Airport
Aircraft Accident/Incident Report

Prairie Dusac, Wisconsin 53578
Friday, April 26, 1985 17:36 CST

NTSB Narrative Summary Released at Completion of Accident

THIS MIDAIR COLLISION OCCURRED APPROX 2 MI NE OF SAUK-PRAIRIE APT. THE PILOTS OF THE CESSNA WERE IN A CLIMBING RIGHT DEPARTURE TURN AT APPROX 1600 FT MSL HEADING APPROX 120 DEG WHEN A COLLISION OCCURRED WITH A PIIPER HEADING APPROX 270 DEG AND DESCENDING. ONE PILOT IN THE CESSNA WAS WEARING AN INSTRUMENT HOOD. THE PILOT OF THE PIPER WAS FLYING INTO THE SETTING SUN. ONE WITNESS SAW THE PIPER MAKE A SHARP EVASIVE TURN JUST PRIOR TO IMPACT. THE PILOTS OF THE CESSNADID NOT SEE THE PIPER UNTIL AFTER THE COLLISION. FOLLOWING THE COLLISION THE PILOT OF THE PIPER LOST CONTROL OF HIS AIRCRAFT AND CRASHED. THE PILOTS IN THE CESSNA LANDED SAFELY BACK AT SAUK-PRAIRIE EVEN THOUGH 3 FT 4 INCHES OF THE RIGHT WING AND 4 FT 4 INCHES OF THE RIGHT AILERON WERE MISSING. NEARLY FULL LEFT AILERON WAS REQUIRED THROUGHOUT THE RECOVERY AND LANDING.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/26/1985
Event Day of the Week Friday
Time of Event 1736
Event Time Zone Central Standard Time
Event City PRAIRIE DUSAC
Event State WISCONSIN
Event Country --
Zipcode of the event site 53578
Event Date Year 1985
Event Date Month 4
MidAir Collision Indicator Yes
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SAUK-PRAIRIE
Event Location Nearest Airport ID 91C
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 2
Degrees magnetic from airport 40
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
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) 18
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 50
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) --
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 2
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1576
NTSB Notification Source --
NTSB Notification Date Apr 26 1985 12:00AM
NTSB Notification Time 1825
Fiche Number and/or location -used to find docket information 28953
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft #2

Aircraft Registration Number N4707T N761R
NTSB Number CHI85FA176A CHI85FA176B
Missing Aircraft Indicator N N
Federal Aviation Reg. Part Part 91: General Aviation Part 91: General Aviation
Type of Flight Plan filed None None
Flight plan Was Activated? -- --
Damage Substantial Destroyed
Aircraft Fire None None
Aircraft Explosion None None
Aircraft Manufacturer's Full Name CESSNA PIPER
Aircraft Model R182 PA-17
Aircraft Series Identifier R182 PA-17
Aircraft Serial Number 18201739 1724
Certified Max Gross Weight 3200 1150
Aircraft Category Airplane Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No No
Flight Crew Seats -- --
Cabin Crew Seats -- --
Passenger Seats -- --
Total number of seats on the aircraft 4 2
Number of Engines 1 1
Fixed gear or retractable gear Retractable Fixed
Aircraft, Type of Last Inspection Annual Annual
Date of Last Inspection Dec 22 1984 12:00AM --
Airframe hours since last inspection 29 --
Airframe Hours 385 --
ELT Installed Yes Yes
ELT Activated No Yes
ELT Aided Location of Event Site No No
ELT Type -- --
Aircraft Owner Name LARRY KLAPMEIER PAUL D. BOEHME
Aircraft Owner Street Address P.O. BOX 23 RT. 3, BOX 532
Aircraft Owner City PRAIRIE DUSAC LODI
Aircraft Owner State WI WA
Aircraft Owner Country
Aircraft Owner Zipcode 53578 53555
Operator is an individual? -- --
Operator Name
Operator Same as Owner? Yes Yes
Operator Is Doing Business As -- --
Operator Address Same as Owner? Yes Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate None None
Other Operator of large aircraft? No No
Certified for Part 133 or 137 Operation Unknown 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) Instructional Personal
Second Pilot on Board Yes No
Departure Point Same as Event Yes Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1730 0
Departure Time Zone CST
Destination Same as Local Flt -- crash at destination city
Destination Airport Code MSN
Destination City MADISON
Destination State WI
Destination Country
Specific Phase of Flight Climb Descent
Report sent to ICAO? -- --
Evacuation occurred -- --
Date of most recent change to record Jan 2 2001 10:30AM Jan 2 2001 10:36AM
User who most recently changed record dbo dbo
Since inspection or accident -- --
Event Location Runway Number and Location 0 0
Runway Length 0 0
Runway Width 0 0
Sight Seeing flight No No
Air Medical Flight No No
Medical Flight -- --