Aircraft Accident/Incident Report

Snowville, Utah 84336
Sunday, November 18, 1984 17:50 MST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT NOSED OVER DURING AN OFF ARPT FORCED LANDING AFTER THE ENGINE FAILED IN CRUISE FLT. THE ENGINE WAS DISASSEMBLEDAND EXAMINED ON 12/3/84. THE #3 AND #4 PISTON RODS WERE SEPARATED FROM THEIR CRANCKSHAFT JOURNALS. MOST OF THE ROD BEARINGS WERE WORN. THE ACFT HAD BEEN OPERATING IN AN ENVIROMENT WITH COLD WINTERS. THE ENGINE OPERATIONS MANUAL STATES THAT SAE 30 WEIGHT OIL OR 10W-30 ARE RECOMMENDED FOR OPERATIONS IN TEMPERATURES BELOW 40 DEGREES F. THE ENGINE HAD 40 WEIGHT OIL PUT IN AT THE LAST SEVERAL SERVICINGS. THE TEMPERATURE WAS BELOW 40 DEGREES THE DAY OF THE ACCIDENT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 11/18/1984
Event Day of the Week Sunday
Time of Event 1750
Event Time Zone Mountain Standard Time
Event City SNOWVILLE
Event State UTAH
Event Country --
Zipcode of the event site 84336
Event Date Year 1984
Event Date Month 11
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 --
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
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 Night/Dark
Lowest Ceiling Height 4000
Lowest Non-Ceiling Height 4000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 25
Air Temperature at event time (in degrees celsius) 2
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 5000
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 NTSB
NTSB Docket Number (internal use) 2139
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26052
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 N21037
NTSB Number DEN85LA029
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire In-flight
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 182P
Aircraft Series Identifier 182P
Aircraft Serial Number 3978
Certified Max Gross Weight 2978
Aircraft Category Airplane
Aircraft Registration Class U.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 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Oct 2 1984 12:00AM
Airframe hours since last inspection 25
Airframe Hours 3978
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name SUN VALLEY AVIATION, INC.
Aircraft Owner Street Address BOX 1085
Aircraft Owner City HAILEY
Aircraft Owner State ID
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 Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code SLC
Departure City SALT LAKE CITY
Departure State UT
Departure Country
Departure Time 1706
Departure Time Zone MST
Destination Same as Local Flt --
Destination Airport Code SUN
Destination City HAILEY
Destination State ID
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
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 --