Aircraft Incident/Accident Report

Granite City, Illinois 62040
Saturday, August 21, 1999 10:15 CDT

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NTSB Narrative Summary Released at Completion of Accident
The pilot said that during cruise flight the engine lost power. During the forced landing on rough and uneven terrain the airplane was substantially damaged. The pilot said he did not know the nature or origin of the loss of engine power. Subsequent to the accident, but after the airplane was moved to a location away from the accident site, an inspection of the engine and airframe failed to reveal any mechanical anomalies. The top spark plugs were removed and had brown deposits on them. The wings had been removed and no fuel remained in the fuel tanks; however, what fuel was present in the lines appeared blue in color, and was free of contamination.
NTSB Probable Cause Narrative
Loss of power for undetermined reason(s) and the rough/uneven.
Event Information
Type of EventAccident 
Event Date8/21/1999 
Event Day of the WeekSaturday 
Time of Event1015 
Event Time ZoneCentral Daylight Time 
Event StateILLINOIS 
Event Country-- 
Zipcode of the event site62040  
Event Date Year1999 
Event Date Month
MidAir Collision IndicatorNo 
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 airportOff Airport/Airstrip 
Distance from airport in statute miles-- 
Degrees magnetic from airport-- 
Airport Elevation-- 
Weather Briefing CompletenessUnknown 
Investigator's weather sourceWeather Observation Facility 
Time of the weather observation945 Central Standard Time 
Direction of event from weather observation facility (degrees)
Weather Observation Facility IDALN  
Elevation of weather observation facility544 
Distance of event from weather observation facility (units?)15 
Time Zone of the weather observationCST 
Lighting ConditionsDay 
Lowest Ceiling Height
Lowest Non-Ceiling Height25000 
Sky/Lowest/Cloud ConditionsScattered 
Sky Condition for Lowest CeilingNone 
Visibility Runway Visual Range (Feet)
Visibility Runway Visual Value (Statute Miles)
Visibility (Statute Miles) 15 
Air Temperature at event time (in degrees celsius)22 
Dew Point at event time (in degress fahrenheit)14 
Wind Direction (degrees magnetic)50 
Variable Wind IndicatorUnknown 
Wind Speed (knots)
Wind Velocity Indicator Unknown 
Wind Gust IndicatorNot Gusting 
Wind Gust (knots)
Altimeter Setting at event time (in. Hg) 30 
Density Altitude (feet)-- 
Intensity of PrecipitationUnknown 
METAR weather report -- 
Event Highest InjuryNone 
On Ground, Fatal Injuries
On Ground, Minor Injuries
On Ground, Serious Injuries
Injury Total Fatal-- 
Injury Total Minor-- 
Injury Total None
Injury Total Serious-- 
Injury Total All-- 
Investigating AgencyNTSB 
NTSB Docket Number (internal use)1161 
NTSB Notification Source-- 
NTSB Notification DateAug 21 1999 12:00AM 
NTSB Notification Time1159 
Fiche Number and/or location -used to find docket informationIMAGE 
Date of most recent change to recordJan 23 2001 9:36AM 
User who most recently changed recorddbo  
Basic weather conditionsVisual Meteorological Cond 
FAA District Office-- 
Aircraft Involved
Aircraft #1
Aircraft Registration NumberN90904 
NTSB NumberCHI99LA308  
Missing Aircraft Indicator
Federal Aviation Reg. PartPart 91: General Aviation 
Type of Flight Plan filedNone 
Flight plan Was Activated?-- 
Aircraft FireNone 
Aircraft ExplosionNone 
Aircraft Manufacturer's Full NamePiper  
Aircraft ModelPA-18-150  
Aircraft Series IdentifierPA-18-150  
Aircraft Serial Number18-8109039  
Certified Max Gross Weight1950 
Aircraft CategoryAirplane 
Aircraft Registration ClassU.S. Registered/U.S. Soil 
Aircraft is a homebuilt?No 
Flight Crew Seats-- 
Cabin Crew Seats-- 
Passenger Seats-- 
Total number of seats on the aircraft
Number of Engines
Fixed gear or retractable gearFixed 
Aircraft, Type of Last InspectionAnnual 
Date of Last Inspection-- 
Airframe hours since last inspection-- 
Airframe Hours-- 
ELT InstalledYes 
ELT ActivatedYes 
ELT Aided Location of Event SiteNo 
ELT Type-- 
Aircraft Owner NameSONS OF THE TUNDRA  
Aircraft Owner Street Address3511 SILVERSIDE RD., SUITE 105 
Aircraft Owner CityWILMINGTON  
Aircraft Owner StateDE 
Aircraft Owner Country  
Aircraft Owner Zipcode19810  
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 certificateNone 
Other Operator of large aircraft?No 
Certified for Part 133 or 137 OperationUnknown 
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 BoardUnknown 
Departure Point Same as EventNo 
Departure Airport Code1H0  
Departure CityCREVE COEUR  
Departure StateMO 
Departure Country  
Departure Time900 
Departure Time ZoneCDT 
Destination Same as Local Fltdest & departure same, accident can occur anywhere 
Destination Airport Code  
Destination City  
Destination State  
Destination Country  
Specific Phase of FlightCruise 
Report sent to ICAO?-- 
Evacuation occurred-- 
Date of most recent change to recordJan 23 2001 9:36AM 
User who most recently changed recorddbo  
Since inspection or accident-- 
Event Location Runway Number and Location0  
Runway Length-- 
Runway Width-- 
Sight Seeing flightNo 
Air Medical FlightNo 
Medical Flight--