Guymon Municipal Airport
Aircraft Accident/Incident Report

Guymon, Oklahoma 73942
Sunday, August 1, 1993 12:45 CDT

NTSB Narrative Summary Released at Completion of Accident

THE LAST EN ROUTE WEATHER REPORT RECEIVED BY THE PILOT INDICATED THE WINDS WERE FROM 040 DEGREES AT 10 KNOTS GUSTING TO 25 KNOTS. THE NEAREST WEATHER STATION REPORTED THE WINDS FROM 080 DEGREES AT 19 KNOTS GUSTING TO 25 KNOTS. DURING APPROACH AND LANDING FLARE TO RUNWAY 36 THE AIRPLANE ENCOUNTERED WINDSHEAR AND GUSTING WINDS AND THE PILOT INITIATED A GO AROUND. HOWEVER THE AIRPLANE CONTACTED THE RUNWAY, THE LEFT MAIN LANDING GEAR COLLAPSED AND THE AIRPLANE SLID OFF THE LEFT SIDE OF THE RUNWAY.

NTSB Probable Cause Narrative

THE PILOT'S INADEQUATE COMPENSATION FOR WIND CONDITIONS. FACTORS WERE WINDSHEAR AND GUSTY CROSSWINDS.

Event Information

Type of Event Accident
Event Date 8/1/1993
Event Day of the Week Sunday
Time of Event 1245
Event Time Zone Central Daylight Time
Event City GUYMON
Event State OKLAHOMA
Event Country --
Zipcode of the event site 73942
Event Date Year 1993
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport GUYMON MUNICIPAL
Event Location Nearest Airport ID GUY
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 3213
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
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 Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 30
Air Temperature at event time (in degrees celsius) 29
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 40
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 25
Altimeter Setting at event time (in. Hg) --
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 4
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 990
NTSB Notification Source --
NTSB Notification Date Aug 1 1993 12:00AM
NTSB Notification Time 1300
Fiche Number and/or location -used to find docket information
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N864R
NTSB Number FTW93LA223
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BEECH
Aircraft Model 35-33
Aircraft Series Identifier 35-33
Aircraft Serial Number CD-19
Certified Max Gross Weight 2900
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 10 1993 12:00AM
Airframe hours since last inspection 37
Airframe Hours 1388
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name COFFMAN, JOHN P.
Aircraft Owner Street Address 1705 CROSSING PLACE #125
Aircraft Owner City AUSTIN
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode 78741
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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 No
Departure Airport Code CYS
Departure City CHEYENNE
Departure State WY
Departure Country
Departure Time 930
Departure Time Zone MDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
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 36
Runway Length 4299
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --