Sprit Of St. Louis Airport
Aircraft Accident/Incident Report

Old Monroe, Missouri 63369
Monday, September 22, 1986 19:15 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PIC HAD INITIATED HIS DESCENT OT HIS DESTINATION ARPT WHEN HE RPTD EXPERIENCING ENG PBLMS. THE ROUGH RUNNING ENG FINALLY QUIT AND THE PIC MADE A FORCED LNDG TO AN OPEN FLD. THE SUBSEQUENT LNDG ENCOUNTERED A DITCH AND THE NOSE GEAR COLLAPSED. EXAM OF THE ENG REVEALED THAT THE EXHAUST VALVE OF ONE OF THE CYLINDERS HAD FAILED IN FATIGUE. METALLUGICAL EXAM NOTED THAT IT WAS A LOW STRESS, HIGH CYCLE FATIGUE FAILURE OF THE EXHAUST VALVE STEM NEAR THE VALVE FACE. THE ENG HAD BEEN COMPLETELY OVHLD 60 OPERATIONAL FLT HRS PRIOR TO THIS FAILURE. VALVES UTILIZED DUG OVHL MET MNFGRS SPEC.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 9/22/1986
Event Day of the Week Monday
Time of Event 1915
Event Time Zone Central Daylight Time
Event City OLD MONROE
Event State MISSOURI
Event Country --
Zipcode of the event site 63369
Event Date Year 1986
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SPRIT OF ST. LOUIS
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 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1854 Central Daylight Time
Direction of event from weather observation facility (degrees) 130
Weather Observation Facility ID STL
Elevation of weather observation facility 605
Distance of event from weather observation facility (units?) 8
Time Zone of the weather observation CDT
Lighting Conditions Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 25000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 70
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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 3
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2484
NTSB Notification Source --
NTSB Notification Date Sep 22 1986 12:00AM
NTSB Notification Time 1933
Fiche Number and/or location -used to find docket information 33300
Date of most recent change to record Dec 13 2000 5:05PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N6163N
NTSB Number MKC86LA193
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
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 T210M
Aircraft Series Identifier T210M
Aircraft Serial Number 21062934
Certified Max Gross Weight 3800
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 6
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Apr 7 1986 12:00AM
Airframe hours since last inspection 52
Airframe Hours 1973
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ROEDERER AVIATION INC
Aircraft Owner Street Address P.O. BOX 274
Aircraft Owner City CHESTERFIELD
Aircraft Owner State MO
Aircraft Owner Country
Aircraft Owner Zipcode 63017
Operator is an individual? --
Operator Name ROEDERER AVIATION, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX 274
Operator City CHESTERFIELD
Operator State MO
Operator Country
Operator Zip code 63017
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 Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code PPQ
Departure City PITTSFIELD
Departure State IL
Departure Country
Departure Time 1830
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code SUS
Destination City ST. LOUIS
Destination State MO
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --