Aircraft Incident/Accident Report


Island Lake, Alaska
Monday, September 14, 1987 11:30 ADT

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NTSB Narrative Summary Released at Completion of Accident
THE PILOT STATED THAT DURING THE INITIAL CLIMBOUT THE AIRCRAFT LOST POWER, STALLED, AND CRASHED INTO A ROW OF TREES NEAR THE LAKE. THE PILOT ALSO STATED IT WAS FUEL CONTAMINATION WHICH CAUSED A PARTIAL POWER LOSS.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
Type of EventAccident 
Event Date9/14/1987 
Event Day of the WeekMonday 
Time of Event1130 
Event Time ZoneAtlantic Daylight Time 
Event CityISLAND LAKE  
Event StateALASKA 
Event Country-- 
Zipcode of the event site  
Event Date Year1987 
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 sourcePilot 
Time of the weather observation0  
Direction of event from weather observation facility (degrees)
Weather Observation Facility ID  
Elevation of weather observation facility
Distance of event from weather observation facility (units?)
Time Zone of the weather observation  
Lighting ConditionsDay 
Lowest Ceiling Height
Lowest Non-Ceiling Height4000 
Sky/Lowest/Cloud ConditionsScattered 
Sky Condition for Lowest CeilingNone 
Visibility Runway Visual Range (Feet)
Visibility Runway Visual Value (Statute Miles)
Visibility (Statute Miles) 60 
Air Temperature at event time (in degrees celsius)13 
Dew Point at event time (in degress fahrenheit)
Wind Direction (degrees magnetic)
Variable Wind IndicatorUnknown 
Wind Speed (knots)
Wind Velocity Indicator Calm 
Wind Gust IndicatorNot Gusting 
Wind Gust (knots)
Altimeter Setting at event time (in. Hg) 29 
Density Altitude (feet)-- 
Intensity of PrecipitationUnknown 
METAR weather report -- 
Event Highest InjuryMinor 
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)772 
NTSB Notification Source-- 
NTSB Notification DateSep 14 1987 12:00AM 
NTSB Notification Time
Fiche Number and/or location -used to find docket information34068 
Date of most recent change to recordDec 13 2000 2:48PM 
User who most recently changed recorddbo  
Basic weather conditionsVisual Meteorological Cond 
FAA District Office-- 
Aircraft Involved
Aircraft #1
Aircraft Registration NumberN82171 
NTSB NumberANC87LA150  
Missing Aircraft Indicator
Federal Aviation Reg. PartPart 91: General Aviation 
Type of Flight Plan filedNone 
Flight plan Was Activated?-- 
DamageSubstantial 
Aircraft FireNone 
Aircraft ExplosionNone 
Aircraft Manufacturer's Full NameAERONCA  
Aircraft Model7AC  
Aircraft Series Identifier7AC  
Aircraft Serial Number7AC797  
Certified Max Gross Weight1650 
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 InspectionOct 6 1986 12:00AM 
Airframe hours since last inspection40 
Airframe Hours2200 
ELT InstalledYes 
ELT ActivatedYes 
ELT Aided Location of Event SiteYes 
ELT Type-- 
Aircraft Owner NameRONALD L WILLIAMS  
Aircraft Owner Street AddressP.O. BOX 258  
Aircraft Owner CityKENAI  
Aircraft Owner StateAK 
Aircraft Owner Country  
Aircraft Owner Zipcode99611  
Operator is an individual?-- 
Operator NameRONALD L. WILLIAMS  
Operator Same as Owner?No 
Operator Is Doing Business As-- 
Operator Address Same as Owner?No 
Operator Street AddressP. O. BOX 258  
Operator CityKENAI  
Operator StateAK 
Operator Country  
Operator Zip code99611  
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 BoardNo 
Departure Point Same as EventYes 
Departure Airport Code  
Departure City  
Departure State  
Departure Country  
Departure Time1130 
Departure Time ZoneADT 
Destination Same as Local Fltcrash at destination city 
Destination Airport Code  
Destination City  
Destination State  
Destination Country  
Specific Phase of FlightTakeoff 
Report sent to ICAO?-- 
Evacuation occurred-- 
Date of most recent change to recordJan 2 2001 10:35AM 
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--