Coulter Field Airport
Aircraft Accident/Incident Report

Bryan, Texas 77842
Saturday, October 10, 1992 15:40 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT WAS DEMONSTRATING VARIOUS MANEUVERS IN HIS GYROCOPTER AT AN AIR SHOW. HE ENTERED A LEFT VERTICAL SPIN AND NOTED THE ENTRY WAS SLUGGISH. WHEN HE ADDED POWER TO AID IN SPIN DEVELOPMENT, THE RUDDER JAMMED FULL LEFT. EFFORTS TO RECOVER WERE TO NO AVAIL AND THE GYROCOPTER IMPACTED TERRAIN NEXT TO THE AIRPORT RUNWAY. POSTACCIDENT EXAMINATION DISCLOSED THE LEADING EDGE OF THE FIBERGLASS RUDDER HAD DELAMINATED AND HAD JAMMED THE RUDDER IN THE FULL LEFT POSITION.

NTSB Probable Cause Narrative

DELAMINATION OF THE RUDDER LEADING EDGE AND SUBSEQUENT JAMMING OF THE RUDDER.

Event Information

Type of Event Accident
Event Date 10/10/1992
Event Day of the Week Saturday
Time of Event 1540
Event Time Zone Central Daylight Time
Event City BRYAN
Event State TEXAS
Event Country --
Zipcode of the event site 77842
Event Date Year 1992
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport COULTER FIELD
Event Location Nearest Airport ID CFD
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 365
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 5000
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) 10
Air Temperature at event time (in degrees celsius) 30
Dew Point at event time (in degress fahrenheit) 12
Wind Direction (degrees magnetic) 280
Variable Wind Indicator Unknown
Wind Speed (knots) 6
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 2090
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2049
NTSB Notification Source --
NTSB Notification Date Oct 10 1992 12:00AM
NTSB Notification Time 1645
Fiche Number and/or location -used to find docket information 46841
Date of most recent change to record Dec 11 2000 3:23PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N532SB
NTSB Number DEN93LA003
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 O'CONNOR
Aircraft Model SNO-BIRD XL
Aircraft Series Identifier SNO-BIRD X
Aircraft Serial Number 1
Certified Max Gross Weight 670
Aircraft Category Gyrocraft
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
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 Annual
Date of Last Inspection Jul 16 1992 12:00AM
Airframe hours since last inspection 8
Airframe Hours 67
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name O'CONNOR, DOUGAS J.
Aircraft Owner Street Address 847 PEBBLESHIRE DRIVE
Aircraft Owner City HOUSTON
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode 77062
Operator is an individual? --
Operator Name O'CONNOR, DOUGAS J.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 847 PEBBLESHIRE DRIVE
Operator City HOUSTON
Operator State TX
Operator Country
Operator Zip code 77062
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) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code CFD
Departure City
Departure State
Departure Country
Departure Time 1535
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code CFD
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 --