Wittman Field Airport
Aircraft Accident/Incident Report

Oshkosh, Wisconsin 54904
Saturday, August 6, 1983 16:40 CDT

NTSB Narrative Summary Released at Completion of Accident

THE FOREIGN REGISTERED PLT HAD A STATEMENT OF AEROBATIC COMPETENCY BY AN FAA INSPECTOR WHICH CONTAINED A MIN ALT LIMITATION OF 300 FT AGL. WHILE PERFORMING AT AN AIR SHOW, HE HAD PLANNED TO PULL UP IN A HALF LOOP, MAKE A HALF ROLL ON TOP, ENTER A 2 TURN SPIN & RECOVER. THE MANEUVER WAS GENERALLY FLOWN AS BRIEFED; HOWEVER, THE ACFT STRUCK THE GROUND BEFORE COMPLETELY RECOVERING FROM THE SPIN. SEVERAL QUALIFIED AEROBATIC PLTS AGREED THE HALF LOOP WAS INITIATED FROM ABOUT 100 FT AGL & THAT THE SPIN ROTATION HAD STOPPED AT ABOUT 300 FT AGL, BUT THE ACFT WAS IN APRX AT 10 DEG NOSE DOWN ATTITUDE WHEN IT HIT THE GROUND. THE PLT RECEIVED SEVERE NECK, BACK & BRAIN INJURIES & DIED 6 DAYS LATER. NO EVIDENCE OF A MALFUNCTION OR FAILURE OF THE ACFT WAS FOUND.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/6/1983
Event Day of the Week Saturday
Time of Event 1640
Event Time Zone Central Daylight Time
Event City OSHKOSH
Event State WISCONSIN
Event Country --
Zipcode of the event site 54904
Event Date Year 1983
Event Date Month 8
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 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 Thin Overcast
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
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 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 --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 6021
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26751
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 IRAID
NTSB Number CHI83FA371
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 SIAI-MARCHETTI
Aircraft Model F.260C
Aircraft Series Identifier F.260C
Aircraft Serial Number
Certified Max Gross Weight 2400
Aircraft Category Airplane
Aircraft Registration Class Foreign Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jun 21 1983 12:00AM
Airframe hours since last inspection 69
Airframe Hours 69
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name LA SOCIETA SIAI-MARCHETI
Aircraft Owner Street Address
Aircraft Owner City SESTO CALENDE
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
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 Yes - certificate holder
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) Unknown
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
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 Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:31AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --