Strother Field Airport
Aircraft Accident/Incident Report

Winfield, Kansas 67156
Saturday, August 18, 1990 17:40 CDT

NTSB Narrative Summary Released at Completion of Accident

THE LEFT MAIN LANDING GEAR COLLAPSED DURING LANDING ROLLOUT AND THE AIRPLANE DEPARTED THE LEFT SIDE OF THE RUNWAY. EXAMINATION OF THE AIRPLANE SHOWED THE LEFT MAIN GEAR RETRACTING TRUSS FAILED AT A WELD, ALLOWING THE GEAR TO COLLAPSE. THE FAILED PART HAS BEEN OBSOLETE SINCE THE ISSUANCE OF AD 73-21-01 WHICH DIRECTED REPLACEMENT OF RETRACTING LINKS ON MODEL M20 AIRPLANES AND REFERRED TO MOONEY SERVICE BULLETIN M20-155. THE BULLETIN FURTHER SPECIFIES THAT THIS AIRCRAFT BY SERIAL NUMBER REQUIRES REPLACEMENT OF THE RETRACTING TRUSSES TO UTILIZE THE NEW LINKS. THE AIRFRAME LOG SHOWED THE AD SIGNED OFF WITH 'NEW RETRACT LINKS' INSTALLED. RIGHT MAIN AND NOSE GEAR TRUSSES WERE ALSO ORIGINAL AND OBSOLETE.

NTSB Probable Cause Narrative

NON-COMPLIANCE OF AN AIRWORTHINESS DIRECTIVE BY MAINTENANCE PERSONNEL.

Event Information

Type of Event Accident
Event Date 8/18/1990
Event Day of the Week Saturday
Time of Event 1740
Event Time Zone Central Daylight Time
Event City WINFIELD
Event State KANSAS
Event Country --
Zipcode of the event site 67156
Event Date Year 1990
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport STROTHER FIELD
Event Location Nearest Airport ID WLD
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 1159
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1750 Central Daylight Time
Direction of event from weather observation facility (degrees) 320
Weather Observation Facility ID ICT
Elevation of weather observation facility 1332
Distance of event from weather observation facility (units?) 35
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 6000
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) 15
Air Temperature at event time (in degrees celsius) 31
Dew Point at event time (in degress fahrenheit) 20
Wind Direction (degrees magnetic) 200
Variable Wind Indicator Unknown
Wind Speed (knots) 21
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 27
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 0
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) 1338
NTSB Notification Source --
NTSB Notification Date Aug 21 1990 12:00AM
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 42649
Date of most recent change to record Dec 12 2000 5:15PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N74745
NTSB Number CHI90LA238
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 MOONEY
Aircraft Model M20B
Aircraft Series Identifier M20B
Aircraft Serial Number 1745
Certified Max Gross Weight 2450
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 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 Unknown
ELT Type --
Aircraft Owner Name CLYDE CLARK
Aircraft Owner Street Address ROUTE 1 BOX 125 A19
Aircraft Owner City WINFIELD
Aircraft Owner State KS
Aircraft Owner Country
Aircraft Owner Zipcode 67156
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code NONE
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 3A4
Departure City AUGUSTA
Departure State KS
Departure Country
Departure Time 1720
Departure Time Zone CDT
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 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 17
Runway Length 5510
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --