Greenville Municipal Airport
Aircraft Accident/Incident Report

Greenville, Illinois 62246
Sunday, September 29, 1991 18:00 CDT

NTSB Narrative Summary Released at Completion of Accident

AN OWNER BUILT EXPERIMENTAL AIRPLANE EXPERIENCED SEPARATION OF THE WOODEN PROPELLER DURING CLIMB FROM TAKEOFF. EXAMINATION OF THE FAILED ATTACHMENT BOLTS SHOWED THE NUTS HAD BOTTOMED AGAINST THE UNTHREADED SHANK WHILE CLINCHING THE PROPELLER HUB TO ITS FLANGE.

NTSB Probable Cause Narrative

IMPROPER MAINTENANCE INSTALLATION OF THE PROPELLER.

Event Information

Type of Event Accident
Event Date 9/29/1991
Event Day of the Week Sunday
Time of Event 1800
Event Time Zone Central Daylight Time
Event City GREENVILLE
Event State ILLINOIS
Event Country --
Zipcode of the event site 62246
Event Date Year 1991
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport GREENVILLE MUNICIPAL
Event Location Nearest Airport ID GRE
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 360
Airport Elevation 540
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
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) 50
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) -14
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency FAA
NTSB Docket Number (internal use) 958
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 45029
Date of most recent change to record Dec 12 2000 10:44AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N22VV
NTSB Number CHI91DEV05
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 ULLMAN
Aircraft Model VARI VIGGEN
Aircraft Series Identifier VARI VIGGE
Aircraft Serial Number 204
Certified Max Gross Weight 1700
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 Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection Apr 2 1991 12:00AM
Airframe hours since last inspection 34
Airframe Hours 228
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name EMERALD J. ULLMAN
Aircraft Owner Street Address 200 W. MEOHAMIC
Aircraft Owner City HILLSBORO
Aircraft Owner State IL
Aircraft Owner Country
Aircraft Owner Zipcode 62049
Operator is an individual? --
Operator Name EMERALD J. ULLMAN
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 200 W. MEOHAMIC
Operator City HILLSBORO
Operator State IL
Operator Country
Operator Zip code 62049
Operator Code NONE
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 1755
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code 3K4
Destination City HILLSBORO
Destination State IL
Destination Country
Specific Phase of Flight Takeoff
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 18
Runway Length 4000
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --