Aircraft Accident/Incident Report

Weldon Springs, Missouri 63304
Tuesady, July 6, 1999 16:45 CDT

NTSB Narrative Summary Released at Completion of Accident

The pilot stated that, while en route, he noticed a loss of oil pressure. A short time later, the airplane's engine failed, and the pilot executed a forced landing in a field. During the landing roll, the airplane struck trees at the end of the field. The airplane had just had maintenance performed which included an oil change and installation of a newly overhauled propeller and propeller governor. Post accident examination of the aircraft revealed damage to the lower fuselage substructure in the area near the cabin door opening. Oil was found inside the engine compartment and on the exterior surfaces of the fuselage.

NTSB Probable Cause Narrative

the loss of engine oil for undetermined reasons. A factor was the trees.

Event Information

Type of Event Accident
Event Date 7/6/1999
Event Day of the Week Tuesday
Time of Event 1645
Event Time Zone Central Daylight Time
Event City WELDON SPRINGS
Event State MISSOURI
Event Country --
Zipcode of the event site 63304
Event Date Year 1999
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1650 Central Daylight Time
Direction of event from weather observation facility (degrees) 270
Weather Observation Facility ID SUS
Elevation of weather observation facility 463
Distance of event from weather observation facility (units?) 7
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 1700
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) 4
Air Temperature at event time (in degrees celsius) 27
Dew Point at event time (in degress fahrenheit) 21
Wind Direction (degrees magnetic) 120
Variable Wind Indicator Unknown
Wind Speed (knots) 11
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 19
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) 573
NTSB Notification Source --
NTSB Notification Date Jul 6 1999 12:00AM
NTSB Notification Time 2012
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 12 2000 11:43AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1937Q
NTSB Number CHI99LA226
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 Cessna
Aircraft Model 177RG
Aircraft Series Identifier 177RG
Aircraft Serial Number 177RG0337
Certified Max Gross Weight 2800
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 Jan 30 1999 12:00AM
Airframe hours since last inspection 51
Airframe Hours 4065
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name MARK L THOMPSON
Aircraft Owner Street Address RT 4 BOX 132
Aircraft Owner City KIRKSVILLE
Aircraft Owner State MO
Aircraft Owner Country
Aircraft Owner Zipcode 63501
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
Owner has at least one certificate Yes - certificate holder
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) Positioning
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code IRK
Departure City KIRKSVILLE
Departure State MO
Departure Country
Departure Time 1545
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code SUS
Destination City SAINT LOUIS
Destination State MO
Destination Country
Specific Phase of Flight Cruise
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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --