Aircraft Accident/Incident Report

Sperry, Oklahoma 74073
Tuesady, June 3, 1986 7:52 CDT

NTSB Narrative Summary Released at Completion of Accident

THE AIRPLANE DEPARTED JONES (RIVERSIDE) AIRPORT AND CLIMBED, ON COURSE, TO ITS ASSIGNED ALTITUDE. IT WAS IN IMC CONDITIONS AND A IFR FLIGHT PLAN HAD BEEN FILED. THE PILOT TOLD ATC (AFTER BEING ASKED) THAT HIS RIDE WAS 'SMOOTH SO FAR'. SHORTLY THEREAFTER THE AIRCRAFT STARTED VEERING RIGHT OF ITS ASSIGNED HEADING. THE PILOT WAS ADVISED OF THIS AND ACKNOWLEDGED. A CORRECTION WAS INITIATED BUT NOT COMPLETED. THE AIRCRAFT AGAIN VEERED RIGHT, ENTERED A STEEP DESCENT, AND DISAPPEARED FROM RADAR. THE PILOT DID NOT RESPOND TO FURTHER RADIO CALLS FROM ATC. THE AIRCRAFT CRASHED IN A STEEP NOSE DOWN ATTITUDE WHILE AT A HIGH RATE OF SPEED DURING A HEAVY RAINSTORM. POST ACCIDENT EXAMINATION REVEALED NO EVIDENCE OF PREIMPACT MECHANICAL FAILURE OR MALFUNCTION OF THE AIRCRAFT. PATHOLOGICAL AND TOXICOLOGICAL EXAMINATIONS OF THE PILOT REVEALED NO EVIDENCE OF A HUMAN FACTORS PROBLEM.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/3/1986
Event Day of the Week Tuesday
Time of Event 752
Event Time Zone Central Daylight Time
Event City SPERRY
Event State OKLAHOMA
Event Country --
Zipcode of the event site 74073
Event Date Year 1986
Event Date Month 6
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 5
Degrees magnetic from airport 330
Airport Elevation 0
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 749 Central Daylight Time
Direction of event from weather observation facility (degrees) 150
Weather Observation Facility ID TUL
Elevation of weather observation facility 676
Distance of event from weather observation facility (units?) 5
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 500
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
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) 21
Dew Point at event time (in degress fahrenheit) 21
Wind Direction (degrees magnetic) 70
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Light
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 3
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 1980
NTSB Notification Source --
NTSB Notification Date Jun 3 1986 12:00AM
NTSB Notification Time 930
Fiche Number and/or location -used to find docket information 32457
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9444Y
NTSB Number FTW86FA098
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model T210N
Aircraft Series Identifier T210N
Aircraft Serial Number T210-64507
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 --
Airframe hours since last inspection 25
Airframe Hours 1755
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name A-LLIS PRODUCTION CO.
Aircraft Owner Street Address P.O. BOX 531
Aircraft Owner City FREDONIA
Aircraft Owner State KS
Aircraft Owner Country
Aircraft Owner Zipcode 66736
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 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) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code RVS
Departure City TULSA
Departure State OK
Departure Country
Departure Time 734
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code FOE
Destination City TOPEKA
Destination State KS
Destination Country
Specific Phase of Flight Descent
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 --