Rock Springs Airport
Aircraft Accident/Incident Report

Rock Springs, Wyoming 82926
Sunday, June 16, 1991 12:25 MDT

NTSB Narrative Summary Released at Completion of Accident

THE FLT ENCOUNTERED GUSTY DOWNDRAFT WINDS, DUST DEVILS, VIRGA AND RAIN SHOWERS DURING CLIMB AFTER TAKEOFF. THE ACFT WOULD NOT CLIMB TO CLEAR A RIDGELINE IN THE FLT PATH AND THE PILOT REVERSED COURSE TO LAND AT THE ARPT. THE FLT ENCOUNTERED DOWNDRAFTS ON FINAL APPR AND THE PILOT INITIATED A PRECAUTIONARY LDG IN AN OPEN AREA. THE ACFT IMPACTED A DITCH ON LANDING ROLL AND NOSED OVER.

NTSB Probable Cause Narrative

THE PILOT'S INADEQUATE PREFLIGHT PLANNING AND DECISION TO ATTEMPT FLIGHTS IN UNFAVORABLE ENVIRONMENTAL CODNITIONS. THE ENVIRONMENTAL CONDITIONS WERE FACTORS IN THE ACCIDENT.

Event Information

Type of Event Accident
Event Date 6/16/1991
Event Day of the Week Sunday
Time of Event 1225
Event Time Zone Mountain Daylight Time
Event City ROCK SPRINGS
Event State WYOMING
Event Country --
Zipcode of the event site 82926
Event Date Year 1991
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport ROCK SPRINGS
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 3
Degrees magnetic from airport 50
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1152 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 230
Weather Observation Facility ID RKS
Elevation of weather observation facility 6747
Distance of event from weather observation facility (units?) 3
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 11000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
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) 22
Dew Point at event time (in degress fahrenheit) -2
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 8550
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 1
Injury Total None 1
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1196
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 44221
Date of most recent change to record Dec 12 2000 10:24AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2587K
NTSB Number SEA91LA134
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name LUSCOMBE
Aircraft Model 8E
Aircraft Series Identifier 8E
Aircraft Serial Number 5314
Certified Max Gross Weight 1400
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name DALE E. RYDER
Aircraft Owner Street Address HC 79, BOX 28
Aircraft Owner City HARRISON
Aircraft Owner State NE
Aircraft Owner Country
Aircraft Owner Zipcode 69346
Operator is an individual? --
Operator Name DALE E. RYDER
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address HC 79, BOX 28
Operator City HARRISON
Operator State NE
Operator Country
Operator Zip code 69346
Operator Code
Owner has at least one certificate None
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 Yes
Departure Point Same as Event No
Departure Airport Code RKS
Departure City ROCK SPRINGS
Departure State WY
Departure Country
Departure Time 1210
Departure Time Zone MDT
Destination Same as Local Flt --
Destination Airport Code PVU
Destination City PROVO
Destination State UT
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
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 --