Aircraft Accident/Incident Report

Fond Du Lac, Wisconsin 54935
Tuesady, August 9, 1988 17:20 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT RPRTD THAT AFTER REACHING CRUISE ALT, THE ENG BEGAN TO RUN ROUGH & SUBSEQUENTLY LOST POWER. HE MADE AN EMERG LANDING IN A DRY CULTIVATED FIELD. DRG THE LANDING, THE GEAR COLLAPSED & THE ACFT WAS SUBSTANTIALLY DAMAGED. THE FUEL TANK WAS EQUIPPED WITH A WEIGHTED 'FLOP' TUBE FOR AEROBATIC FLT. THE FLOP TUBE WAS KINKED, BUT THERE WAS EVIDENCE THE KINK OCCURRED DRG THE CRASH LANDING. ALSO, THERE WAS 4.5 FT OF EXPOSED & UNINSULATED FUEL LINE FORWARD OF THE FIREWALL. BEFORE THE FLT, THE 'HEAT SOAKED' ENG WAS DIFFICULT TO START WITH AN AIR TEMP OF 85 DEG, POSSIBLY FROM VAPOR LOCK.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/9/1988
Event Day of the Week Tuesday
Time of Event 1720
Event Time Zone Central Daylight Time
Event City FOND DU LAC
Event State WISCONSIN
Event Country --
Zipcode of the event site 54935
Event Date Year 1988
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 1845 Central Daylight Time
Direction of event from weather observation facility (degrees) 360
Weather Observation Facility ID OSH
Elevation of weather observation facility 805
Distance of event from weather observation facility (units?) 10
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) 15
Air Temperature at event time (in degrees celsius) 27
Dew Point at event time (in degress fahrenheit) 18
Wind Direction (degrees magnetic) 250
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 2
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency FAA
NTSB Docket Number (internal use) 1144
NTSB Notification Source --
NTSB Notification Date Aug 9 1988 12:00AM
NTSB Notification Time 1810
Fiche Number and/or location -used to find docket information 37237
Date of most recent change to record Dec 13 2000 12:02PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9EA
NTSB Number CHI88DEP09
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 EAA
Aircraft Model ACRO II
Aircraft Series Identifier ACRO II
Aircraft Serial Number P-12
Certified Max Gross Weight 1300
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 Annual
Date of Last Inspection Mar 2 1988 12:00AM
Airframe hours since last inspection 3
Airframe Hours 201
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name EAA AVIATION FOUNDATION, INC.
Aircraft Owner Street Address WITTMAN AIRFIELD
Aircraft Owner City OSHKOSH
Aircraft Owner State WI
Aircraft Owner Country
Aircraft Owner Zipcode 54903
Operator is an individual? --
Operator Name LOUIS B. JUDY
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 71 HIDDEN VALLEY AIRPARK
Operator City DENTON
Operator State TX
Operator Country
Operator Zip code 76205
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 No
Departure Airport Code FLD
Departure City FOND DU LAC
Departure State WI
Departure Country
Departure Time 1715
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code FLD
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
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 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --