Sweetwater County Airport
Aircraft Accident/Incident Report

Rock Springs, Wyoming 82901
Tuesady, April 26, 1983 11:03 MDT

NTSB Narrative Summary Released at Completion of Accident

THE AIRCREW OF A CESSNA 340, N5415M, WERE SCHEDULED FOR AN AIR TAXI CHECK RIDE WITH AN INSPECTOR AT JACKSON, WY, LATER IN THE AFTERNOON. THEY HAD PLANNED TO TAKEOFF FROM ROCK SPRINGS, WY, PRACTICE AT FEW INSTRUMENT APCHS AT ROCK SPRINGS, THEN PROCEED TO JACKSON. AFTER TAKING OFF, THEY MADE AN NDB APCH, MADE A MISSED APCH, THEN BEGAN AN ILS APCH. A BEECH BONANZA, N1825F, WAS ON A FLT FROM SCOTTSBLUFF, NE TO ROCK SPRINGS. DURING ARRIVAL TO ROCK SPRINGS, THE BONANZA PLT WAS MONITORING THE POSITION OF A KING AIR THAT WAS AHEAD OF HIM & ALSO ON AN APCH TO THE SAME ARPT. ALL 3 ACFT WERE USING THE SAME FREQUENCY & ALL 3 WERE PROVIDING REPORTS OF THEIR RESPECTIVE POSITIONS. AT APRX 1103 MDT, WITNESSES HEARD N5415M & N1825F COLLIDE, THEN SAW THE ACFT & PIECES OF WRECKAGE FALLING. AN INVESTIGATION REVEALED THE CESSNA WAS INBOUND TOWARD THE OUTERMARKER (270 DEG COURSE) & THE BONANZA WAS IN LEVEL FLT, HEADING APRX 219 DEG. BOTH ACFT WERE OPERATING VFR.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/26/1983
Event Day of the Week Tuesday
Time of Event 1103
Event Time Zone Mountain Daylight Time
Event City ROCK SPRINGS
Event State WYOMING
Event Country --
Zipcode of the event site 82901
Event Date Year 1983
Event Date Month 4
MidAir Collision Indicator Yes
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SWEETWATER COUNTY
Event Location Nearest Airport ID RKS
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 12
Degrees magnetic from airport 89
Airport Elevation 6760
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1055 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 267
Weather Observation Facility ID RKS
Elevation of weather observation facility 6760
Distance of event from weather observation facility (units?) 11
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 4000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 90
Air Temperature at event time (in degrees celsius) 2
Dew Point at event time (in degress fahrenheit) -7
Wind Direction (degrees magnetic) 250
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 6804
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 3
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 1947
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 23664
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 #2

Aircraft Registration Number N5415M N1825F
NTSB Number DEN83AA105A DEN83AA105B
Missing Aircraft Indicator N N
Federal Aviation Reg. Part Part 91: General Aviation Part 91: General Aviation
Type of Flight Plan filed None VFR
Flight plan Was Activated? -- --
Damage Destroyed Destroyed
Aircraft Fire None None
Aircraft Explosion None None
Aircraft Manufacturer's Full Name CESSNA BEECH
Aircraft Model 340 A36
Aircraft Series Identifier 340 A36
Aircraft Serial Number 340-0028 E1897
Certified Max Gross Weight 5975 3600
Aircraft Category Airplane Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No No
Flight Crew Seats -- --
Cabin Crew Seats -- --
Passenger Seats -- --
Total number of seats on the aircraft 7 6
Number of Engines 2 1
Fixed gear or retractable gear Retractable Retractable
Aircraft, Type of Last Inspection Annual Annual
Date of Last Inspection Mar 1 1983 12:00AM Aug 11 1982 12:00AM
Airframe hours since last inspection 342 202
Airframe Hours 2022 283
ELT Installed Yes Yes
ELT Activated No Yes
ELT Aided Location of Event Site Unknown Unknown
ELT Type -- --
Aircraft Owner Name FLIGHT BROTHERS, INC. NEIL O. RUSSELL
Aircraft Owner Street Address P.O. BOX 723 BOX 128
Aircraft Owner City BIG PINEY BUSHNELL
Aircraft Owner State WY NE
Aircraft Owner Country
Aircraft Owner Zipcode 83113 69128
Operator is an individual? -- --
Operator Name
Operator Same as Owner? Yes Yes
Operator Is Doing Business As -- --
Operator Address Same as Owner? Yes Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate Yes - certificate holder None
Other Operator of large aircraft? No No
Certified for Part 133 or 137 Operation Unknown 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 Business
Second Pilot on Board Yes No
Departure Point Same as Event Yes No
Departure Airport Code 82V
Departure City PINE BLUFFS
Departure State WY
Departure Country
Departure Time 1033 930
Departure Time Zone MDT MDT
Destination Same as Local Flt -- --
Destination Airport Code JAC RKS
Destination City JACKSON ROCK SPRINGS
Destination State WY WY
Destination Country
Specific Phase of Flight Approach Approach
Report sent to ICAO? -- --
Evacuation occurred -- --
Date of most recent change to record Jan 2 2001 10:30AM Jan 2 2001 10:36AM
User who most recently changed record dbo dbo
Since inspection or accident -- --
Event Location Runway Number and Location 27 27
Runway Length 10000 10000
Runway Width 150 150
Sight Seeing flight No No
Air Medical Flight No No
Medical Flight -- --