Aircraft Accident/Incident Report

Dixon, Iowa 52745
Monday, August 11, 1986 19:45 CDT

NTSB Narrative Summary Released at Completion of Accident

THE EXPERIMENTAL ACFT WAS LOADED NEAR MAX GROSS WT ON TAKEOFF FROM THE PVT SOD AIRATRIP. THE PLT STATED THE ACFT PERFORMED SLUGGISHLY DURING THE CLIMBOUT FROM THE FIELD. THE PLT STATED THAT ON THE CLIMBOUT THAT HE WAS OVERFLYING A CORN FIELD BORDERING THE STRIP WHEN THE ACFT DESCENDED TOWARD THE CORN DESPITE FULL PWR FROM THE ENG. THE PLT STATED HE INTENTIONALLY STALLED THE ACFT JUST ABOVE THE CORN AND IMPACTED THE GROUND BENEATH THE CORN WHERE IT SUSTAINED SUBSTANTIAL DAMAGE. THE PLT STATED HE FELT THAT THE AIR WAS LESS DENSE AS HE OVERFLEW THE CORN AND THIS ROBBED THE ENG OF PWR AND THE WINGS OF SOME LIFT. THE DENSITY ALTITUDE MEASUREMENT WAS SLIGHTLY ABOVE THAT OF FIELD ELEVATION OF 750 FEET.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/11/1986
Event Day of the Week Monday
Time of Event 1945
Event Time Zone Central Daylight Time
Event City DIXON
Event State IOWA
Event Country --
Zipcode of the event site 52745
Event Date Year 1986
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1855 Central Daylight Time
Direction of event from weather observation facility (degrees) 300
Weather Observation Facility ID CID
Elevation of weather observation facility 1187
Distance of event from weather observation facility (units?) 48
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 3000
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) 20
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) 12
Wind Direction (degrees magnetic) 310
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 2000
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1412
NTSB Notification Source --
NTSB Notification Date Aug 12 1986 12:00AM
NTSB Notification Time 750
Fiche Number and/or location -used to find docket information 31803
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5575Y
NTSB Number MKC86LA170
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 103: Ultralight
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name TERATORN
Aircraft Model TIERRA 2
Aircraft Series Identifier TIERRA 2
Aircraft Serial Number 3440199
Certified Max Gross Weight 750
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 100 Hour
Date of Last Inspection Jun 23 1986 12:00AM
Airframe hours since last inspection 13
Airframe Hours 68
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name JOHN E. WIESE
Aircraft Owner Street Address R.R. 2 BOX 98
Aircraft Owner City DIXON
Aircraft Owner State IA
Aircraft Owner Country
Aircraft Owner Zipcode 52745
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 Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
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 1943
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 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --