Riverton Regional Airport
Aircraft Accident/Incident Report

Riverton, Wyoming
Monday, January 11, 1982 19:11 MST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT IMPACTED A HILL IMMEDIATELY AFTER TAKING OFF. THE WRECKAGE WAS LOCATED 8,000 FT BEYOND THE DEPARTURE END OF RWY 28 & 1,800 FT LEFT OF THE RWY CENTERLINE EXTENDED. THE ACCIDENT SITE WAS APPROXIMATELY 55 FT ABOVE THE AIRPORT ELEVATION. WITNESSES OBSERVED THE ACFT MANEUVERING AT LOW ALTITUDE DURING A SNOW STORM. THE FLT HAD ORIGINALLY DEPARTED JACKSON,WY EARLIER IN THE DAY, BUT DIVERTED TO RIVERTON DUE TO AN OIL LEAK CAUSED BY THE OIL CAP NOT BEING IN PLACE. THE FLT REMAINED IN RIVERTON APPROXIMATELY 2 HOURS WHILE THE ACFT & ENG WAS BEING CLEANED. PRIOR TO DEPARTING JACKSON WITNESSES STATED THE PLT WAS "SOMEWHAT RUSHED & ANXIOUS TO DEPART JACKSON" & "THE MAN HAD A BAD CASE OF WHAT YOU MIGHT CALL GET-HOME-ITIS, & HE WAS GOING WHETHER IT WAS VFR OR IFR." THE ACFT WAS APPROXIMATELY 253 LBS OVER MAX GROSS WEIGHT.BOTH INBOARD CLOTH SEAT BELTS SEPARATED AT THE JUNCTURE WHERE THEY PASS THROUGH THE METAL GUIDES LOCATED ON THE SIDES OF EACH SEAT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 1/11/1982
Event Day of the Week Monday
Time of Event 1911
Event Time Zone Mountain Standard Time
Event City RIVERTON
Event State WYOMING
Event Country --
Zipcode of the event site
Event Date Year 1982
Event Date Month 1
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport RIVERTON REGIONAL
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 Full
Investigator's weather source Unknown
Time of the weather observation 1846
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID RIW
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 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 1
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 0
Intensity of Precipitation Heavy
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 4
Injury Total Minor 1
Injury Total None --
Injury Total Serious 1
Injury Total All 6
Investigating Agency NTSB
NTSB Docket Number (internal use) 3209
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Oct 31 2002 4:04PM
User who most recently changed record NTSB\ZUZL
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N6558A
NTSB Number DEN82FA017
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 210N
Aircraft Series Identifier 210N
Aircraft Serial Number 21063551
Certified Max Gross Weight 3800
Aircraft Category Airplane
Aircraft Registration Class Unknown
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 6
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 94
Airframe Hours 450
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ROBERT H. PETERSON
Aircraft Owner Street Address RR 2
Aircraft Owner City BRECKENRIDGE
Aircraft Owner State MN
Aircraft Owner Country
Aircraft Owner Zipcode 56520
Operator is an individual? --
Operator Name ROBERT H. PETERSON
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address RR 2
Operator City BRECKENRIDGE
Operator State MN
Operator Country
Operator Zip code 56520
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 --
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 Yes
Departure Airport Code
Departure City RIVERTON
Departure State WY
Departure Country
Departure Time 1909
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code
Destination City WAHPETON
Destination State ND
Destination Country
Specific Phase of Flight Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2002 4:49PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 28
Runway Length 8200
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --