Aircraft Incident/Accident Report


Glade Park, Colorado 81523
Friday, January 7, 1983 17:13 MST

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NTSB Narrative Summary Released at Completion of Accident
THE ACFT LANDING GEAR COLLAPSED DURING A FORCED LANDING AFTER AN ENGINE FAILURE. THE PILOT SAID HE LOST MANIFOLD AND OILPRESSURE AND TURNED BACK TOWARD GRAND JUNCTION WHEN THE ENGINE BEGAN MAKING LOUD NOISES. A LANDING WAS MADE ON A SLIPPERY ROAD AND THE ACFT SKIDDED AND COLLAPSED THE GEAR. TELEDYNE-CONTINENTAL DECIDED THAT A THRUST WASHER HALF HAD BEEN LEFT OUT OF THE ENGINE DURING MANUFACTURE. THIS ALLOWED EXCESSIVE MOVEMENT OF THE CRANKSHAFT WHICH SIDE-LOADED AND FAILED #2 CONNECTING ROD AND DAMAGED #1 ROD.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
Type of EventAccident 
Event Date1/7/1983 
Event Day of the WeekFriday 
Time of Event1713 
Event Time ZoneMountain Standard Time 
Event CityGLADE PARK  
Event StateCOLORADO 
Event Country-- 
Zipcode of the event site81523  
Event Date Year1983 
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 miles18 
Degrees magnetic from airport54 
Airport Elevation-- 
Weather Briefing CompletenessFull 
Investigator's weather sourceWeather Observation Facility 
Time of the weather observation1648 Mountain Standard Time 
Direction of event from weather observation facility (degrees)54 
Weather Observation Facility IDGJT  
Elevation of weather observation facility4858 
Distance of event from weather observation facility (units?)18 
Time Zone of the weather observationMST 
Lighting ConditionsDay 
Lowest Ceiling Height
Lowest Non-Ceiling Height4500 
Sky/Lowest/Cloud ConditionsScattered 
Sky Condition for Lowest CeilingNone 
Visibility Runway Visual Range (Feet)
Visibility Runway Visual Value (Statute Miles)
Visibility (Statute Miles) 30 
Air Temperature at event time (in degrees celsius)
Dew Point at event time (in degress fahrenheit)
Wind Direction (degrees magnetic)150 
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)4273 
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)511 
NTSB Notification Source-- 
NTSB Notification Date-- 
NTSB Notification Time
Fiche Number and/or location -used to find docket information20757 
Date of most recent change to recordJan 2 2001 9:15AM 
User who most recently changed recorddbo  
Basic weather conditionsVisual Meteorological Cond 
FAA District Office-- 
Aircraft Involved
Aircraft #1
Aircraft Registration NumberN3886P 
NTSB NumberDEN83LA048  
Missing Aircraft Indicator
Federal Aviation Reg. PartPart 91: General Aviation 
Type of Flight Plan filedIFR 
Flight plan Was Activated?-- 
DamageSubstantial 
Aircraft FireNone 
Aircraft ExplosionNone 
Aircraft Manufacturer's Full NameCESSNA  
Aircraft ModelP210N  
Aircraft Series IdentifierP210N  
Aircraft Serial NumberP21000068  
Certified Max Gross Weight4000 
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 gearRetractable 
Aircraft, Type of Last InspectionAnnual 
Date of Last InspectionMar 2 1982 12:00AM 
Airframe hours since last inspection198 
Airframe Hours1382 
ELT InstalledYes 
ELT ActivatedYes 
ELT Aided Location of Event SiteUnknown 
ELT Type-- 
Aircraft Owner NameWILLIAM J. WELCH  
Aircraft Owner Street Address2727 SHASTA ROAD  
Aircraft Owner CityBERKLEY  
Aircraft Owner StateCA 
Aircraft Owner Country  
Aircraft Owner Zipcode97408  
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 certificateYes - certificate holder 
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)Business 
Second Pilot on BoardNo 
Departure Point Same as EventNo 
Departure Airport CodeBJC  
Departure CityBROOMFIELD  
Departure StateCO 
Departure Country  
Departure Time1540 
Departure Time ZoneMST 
Destination Same as Local Flt-- 
Destination Airport CodeTPH  
Destination CityTONOPAH  
Destination StateNV 
Destination Country  
Specific Phase of FlightLanding 
Report sent to ICAO?-- 
Evacuation occurred-- 
Date of most recent change to recordJan 2 2001 10:36AM 
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--