Aircraft Accident/Incident Report

Lander, Wyoming 82520
Saturday, May 21, 1983 19:30 MDT

NTSB Narrative Summary Released at Completion of Accident

AT NOON ON 5/21/83, THE PLT DEPARTED RIVERTON, WY ON A FLT TO OGDEN, UT TO TRANSPORT A MINISTER BACK TO RIVERTON FOR A WEDDING. AFTER ARRIVING AT OGDEN, HE OBTAINED A WX BRIEFING FOR THE RETURN FLT. HE WAS WARNED OF POSSIBLE THUNDERSTORMACTIVITY, TURBULENCE, LOW CEILINGS & STRONG, GUSTY WINDS. THE NON-INSTRUMENT RATED PLT WAS TOLD THAT IN THE VICINITY OF LANDER & ROCK SPRINGS, WY, THERE WERE RAIN SHOWERS, AND WITH THUNDERSTORM ACTIVITY, VFR FLT MAY NOT BE POSSIBLE. THE PLTFILED A VFR FLT PLAN & STATED HE WOULD 'TAKE A LOOK-SEE.' AT 1729, HE TOOK OFF. THERE WAS NO EN ROUTE RADIO CONTACT, EXCEPT WHEN HE REQUESTED & WAS PROVIDED THE RIVERTON WX. AT APRX 1930, A RESIDENT NEAR THE CRASH SITE HEARD A SMALL ACFTFLYING LOW. SHE REPORTED THUNDER, LIGHTNING, THICK FOG & HEAVY SNOWFALL AT THAT TIME. WHEN THE ACFT DID NOT ARRIVE AT RIVERTON, A SEARCH WAS BEGUN. IT WAS FOUND NEAR A MOUNTAIN PASS WHERE IT CRASHED ON A RIDGE IN A 45 DEG NOSE DOWN, WINGSLEVEL ATTITUDE. THERE WAS VIRTUALLY NO MOVEMENT AFTER IMPACT. NO PREIMPACT/MECHANICAL FAILURE/MALFUNCTION WAS REPORTED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/21/1983
Event Day of the Week Saturday
Time of Event 1930
Event Time Zone Mountain Daylight Time
Event City LANDER
Event State WYOMING
Event Country --
Zipcode of the event site 82520
Event Date Year 1983
Event Date Month 5
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1953 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 15
Weather Observation Facility ID LND
Elevation of weather observation facility 5586
Distance of event from weather observation facility (units?) 23
Time Zone of the weather observation MDT
Lighting Conditions Day
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) 0
Air Temperature at event time (in degrees celsius) 10
Dew Point at event time (in degress fahrenheit) 5
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 6161
Intensity of Precipitation Unknown
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 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 2011
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 22363
Date of most recent change to record Feb 26 2001 8:35AM
User who most recently changed record dbo
Basic weather conditions Unknown
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N54609
NTSB Number DEN83FA116
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 172P
Aircraft Series Identifier 172P
Aircraft Serial Number 172-75011
Certified Max Gross Weight 2400
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 May 18 1983 12:00AM
Airframe hours since last inspection 1
Airframe Hours 383
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ARTHUR REX ROGERS
Aircraft Owner Street Address 1010 MARY ANNE DR.
Aircraft Owner City RIVERTON
Aircraft Owner State WY
Aircraft Owner Country
Aircraft Owner Zipcode 82501
Operator is an individual? --
Operator Name ROGER PETERS
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address RIVERTON REGIONAL AIRPORT
Operator City RIVERTON
Operator State WY
Operator Country
Operator Zip code 82501
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) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code OGD
Departure City OGDEN
Departure State UT
Departure Country
Departure Time 1729
Departure Time Zone MDT
Destination Same as Local Flt --
Destination Airport Code RIW
Destination City RIVERTON
Destination State WY
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Feb 26 2001 8:06AM
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 --