Tri-County Airport
Aircraft Accident/Incident Report

Sprimg Greem, Wisconsin 53588
Monday, August 26, 1985 19:05 CDT

NTSB Narrative Summary Released at Completion of Accident

EAA BI PLANE N3541, PILOTED BY JOHN BOATRIGHT, AND REGISTERED TO FREEBORN COUNTY AIRCRAFT INC., ALBERT LEA, MINNESOTA, SUSTAINED SUBSTANTIAL DAMAGE DURING A LANDING APPROACH TO RUNWAY 27 AT THE LONE ROCK AIRPORT AT APPROXIMATELY 1900 CDT ON AUGUST 26, 1985. THE PILOT-IN-COMMAND AND SOLE OCCUPANT OF THE AIRCRAFT RECEIVED SERIOUR INJURIES. MR. BOATRIGHT REPORTED THAT HIS ATTENTION WAS DIVERTED AS HE REDUCED POWER TURNIGN FINAL. HE STATED THE AIRCRAFT ENTERED A SPIN. HE STATED HE RECOVERED FROM THE SPIN, BUT WAS TOO LOW TO AVOID COLLISION WITH GROUND. VISUAL METEORLOGICAL CONDITIONS PREVAILED, AND NO FLIGHT PLAN WAS FILED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/26/1985
Event Day of the Week Monday
Time of Event 1905
Event Time Zone Central Daylight Time
Event City SPRIMG GREEM
Event State WISCONSIN
Event Country --
Zipcode of the event site 53588
Event Date Year 1985
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport TRI-COUNTY
Event Location Nearest Airport ID LNR
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 180
Airport Elevation 717
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1900 Central Daylight Time
Direction of event from weather observation facility (degrees) 275
Weather Observation Facility ID MSN
Elevation of weather observation facility 862
Distance of event from weather observation facility (units?) 38
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 5500
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) 7
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 300
Variable Wind Indicator Unknown
Wind Speed (knots) 3
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 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 1
Injury Total All 1
Investigating Agency FAA
NTSB Docket Number (internal use) 2750
NTSB Notification Source --
NTSB Notification Date Aug 26 1985 12:00AM
NTSB Notification Time 1930
Fiche Number and/or location -used to find docket information 30449
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 Registration Number N3541
NTSB Number CHI85FEP03
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 ROGER W. STIGEN
Aircraft Model EAA BIPLANE SR-1
Aircraft Series Identifier EAA BIPLAN
Aircraft Serial Number 1
Certified Max Gross Weight 1012
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 100 Hour
Date of Last Inspection May 4 1984 12:00AM
Airframe hours since last inspection 39
Airframe Hours 525
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name FREEBORN COUNTY AIRCRAFT, INC.
Aircraft Owner Street Address ROUTE 2, BOX 288
Aircraft Owner City ALBERT LEA
Aircraft Owner State MN
Aircraft Owner Country
Aircraft Owner Zipcode 56007
Operator is an individual? --
Operator Name JOHN R. BOATWRIGHT
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 4744 OLD INDIAN TRAIL
Operator City BLACKEARTH
Operator State WI
Operator Country
Operator Zip code 53515
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 1630
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 Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 27
Runway Length 4050
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --