Will Rogers World Airport
Aircraft Accident/Incident Report

Oklahoma City, Oklahoma 73159
Sunday, June 17, 1990 13:44 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT OF THE RUSSIAN BUILT ACFT WAS PARTICIPATING IN AN AEROBATIC SHOW, OF WHICH, HE WAS THE DIRECTOR. HE HAD RPRTD HE WAS FATIGUED, THAT HE HAD BEEN UNDER CONSIDERABLE PRESSURE & THAT HE MIGHT HAVE TO STOP FLYING IN THE AIRSHOW. DRG THE AIRSHOW, A VERTICAL TORQUE ROLL & TAIL SLIDE WERE PERFORMED. ANOTHER TORQUE ROLL & TAIL SLID WERE THEN MADE THAT RESULTED IN AN INVERTED RECOVERY. FINALLY, ANOTHER TORQUE ROLL & TAIL SLIDE WERE PERFORMED THAT EVOLVED IN A 1-1/2 TURN SPIN. SUBSEQUENTLY, THE ACFT INPACTED THE GND IN ABOUT A 65 DEG DSCNT. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FND THAT WOULD HAVE RESULTED IN THE ACDNT. THE PLT HAD ENGAGED THE SMOKE GENERATOR FOR THE LAST MNVR & SMOKE ENGULFED THE ACFT AS THE TAIL SLIDE BGN. THERE WAS EVIDENCE THE PLT WAS OPERG THE ELEVATOR CTL TO RECOVER BEFORE IMPACT. HE HAD BEEN TAKING A BETA BLOCKER (PROPRANOLOL), WHICH HAD BEEN PRESCRIBED WITH THE WARNING OF NOT TO USE BEFORE FLT. A BLOOD TEST SHOWED 0.15 MCG/ML OF PROPRANOLOL, BUT NO PHYSICAL IMPAIRMENT WAS VERIFIED. DENSITY ALT WAS ABOUT 3800 FT.

NTSB Probable Cause Narrative

FAILURE OF THE PILOT TO RECOVER FROM THE AEROBATIC MANEUVER AND SUBSEQUENT STALL/SPIN, DUE TO INADEQUATE ALTITUDE. FATIGUE MAY HAVE BEEN A RELATED FACTOR.

Event Information

Type of Event Accident
Event Date 6/17/1990
Event Day of the Week Sunday
Time of Event 1344
Event Time Zone Central Daylight Time
Event City OKLAHOMA CITY
Event State OKLAHOMA
Event Country --
Zipcode of the event site 73159
Event Date Year 1990
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport WILL ROGERS WORLD
Event Location Nearest Airport ID OKC
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 --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1344 Central Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID OKC
Elevation of weather observation facility 1295
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation CDT
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) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 36
Dew Point at event time (in degress fahrenheit) 22
Wind Direction (degrees magnetic) 200
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 3800
Intensity of Precipitation Unknown
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 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 709
NTSB Notification Source --
NTSB Notification Date Jun 17 1990 12:00AM
NTSB Notification Time 1430
Fiche Number and/or location -used to find docket information 41596
Date of most recent change to record Dec 12 2000 5:03PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N26TJ
NTSB Number FTW90FA120
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion Ground
Aircraft Manufacturer's Full Name SUKHOI
Aircraft Model SU-26MX
Aircraft Series Identifier SU-26MX
Aircraft Serial Number 51-01
Certified Max Gross Weight 1600
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 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name JONES, TOM D.
Aircraft Owner Street Address 2413 SW 117
Aircraft Owner City OKLAHOMA CITY
Aircraft Owner State OK
Aircraft Owner Country
Aircraft Owner Zipcode 73170
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) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code OKC
Departure City
Departure State
Departure Country
Departure Time 1337
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Maneuvering
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 --