Campbell County Airport
Aircraft Accident/Incident Report

Gillette, Wyoming 82732
Monday, June 14, 1993 10:49 MDT

NTSB Narrative Summary Released at Completion of Accident

WHILE LANDING ON RUNWAY 34 THE CONVENTIONALLY GEARED AIRCRAFT BEGAN TO OSCILLATE FROM LEFT TO RIGHT. THE PILOT IN COMMAND WAS UNABLE TO MAINTAIN DIRECTIONAL CONTROL AND AS THE OSCILLATION INCREASED IN SEVERITY, THE LEFT MAIN LANDING GEAR COLLAPSED DUE TO SIDE LOADING. THE PILOT REPORTED TO THE INVESTIGATOR THAT HE HAD MINIMAL TIME IN CONVENTIONALLY GEARED AIRCRAFT.

NTSB Probable Cause Narrative

THE PILOT IN COMMAND'S NOT MAINTAINING DIRECTIONAL CONTROL AND THE OVERLOAD OF THE LEFT MAIN LANDING GEAR. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S LACK OF EXPERIENCE IN CONVENTIONALLY GEARED AIRCRAFT.

Event Information

Type of Event Accident
Event Date 6/14/1993
Event Day of the Week Monday
Time of Event 1049
Event Time Zone Mountain Daylight Time
Event City GILLETTE
Event State WYOMING
Event Country --
Zipcode of the event site 82732
Event Date Year 1993
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport CAMPBELL COUNTY
Event Location Nearest Airport ID GCC
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 4363
Weather Briefing Completeness Unknown
Investigator's weather source Witness
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 Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 17
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 Calm
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 431
NTSB Notification Source --
NTSB Notification Date Jun 14 1993 12:00AM
NTSB Notification Time 1315
Fiche Number and/or location -used to find docket information 52719
Date of most recent change to record Dec 11 2000 1:24PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8947R
NTSB Number SEA93LA131
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 CHAMPION
Aircraft Model 7GC
Aircraft Series Identifier 7GC
Aircraft Serial Number 7GC163
Certified Max Gross Weight 1650
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 Annual
Date of Last Inspection Feb 19 1993 12:00AM
Airframe hours since last inspection 11
Airframe Hours 1802
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name GREER, RANDY & KNUTSON, JIM
Aircraft Owner Street Address 413 CIRCLE DRIVE
Aircraft Owner City GILLETTE
Aircraft Owner State WY
Aircraft Owner Country
Aircraft Owner Zipcode 82716
Operator is an individual? --
Operator Name GREER, RANDY & KNUTSON, JIM
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 413 CIRCLE DRIVE
Operator City GILLETTE
Operator State WY
Operator Country
Operator Zip code 82716
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 No
Departure Point Same as Event Yes
Departure Airport Code GCC
Departure City
Departure State
Departure Country
Departure Time 930
Departure Time Zone MDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code GCC
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 34
Runway Length 7500
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --