Richland Airport
Aircraft Accident/Incident Report

Richland, Washington 99352
Tuesady, September 20, 1983 9:45 PDT

NTSB Narrative Summary Released at Completion of Accident

AFTER BEING ASSEMBLED, THE ULTRALIGHT VEHICLE WAS TAXI TESTED, AND ON 9/19/83, IT WAS FLOWN ON ITS 1ST FLT. THE NEXT MORNING IT WAS TAXI TESTED AGAIN. AT APRX 0855 PDT, THE PLT TOOK OFF ON A LOCAL FLT. AT APRX 0945, AFTER MAKING A TOUCH-AND-GO LANDING, THE PLT WAS TURNING FINAL FOR ANOTHER LANDING WHEN THE ULTRALIGHT BEGAN AN UNCOMMANDED, SMOOTH, LEFT ROLL AT ABOUT 200 TO 300 FT AGL. CORRECTIVE AILERON WAS APPLIED, BUT THE ULTRALIGHT CONTINUED TO ROLL LEFT & SUBSEQUENTLY CRASHED IN A STEEP NOSE DOWN ATTITUDE. AN EXAM REVEALED THERE WAS CONTINUITY TO ALL FLT CONTROLS. BOTH WINGS & THE FUSELAGE TUBE WERE DAMAGED DURING THE ACCIDENT. THE LEFT WING TRAILING EDGE TUBE HAD FAILED AT A BOLT HOLE WHERE THE LEFT REAR STRUT BRACKETS WERE INSTALLED. ADDITIONAL WASHERS HAD BEEN INSTALLED ON THE BOLT & THE SELF LOCKING NUT HAD BEEN TORQUED UNTIL THE THREADS ON THE NUT WERE BEYOND THE THREADED PORTION OF THE BOLT. THERE WAS EVIDENCE THAT THE REAR SPAR HAD SEPARATED & THE BOLT HAD ROTATED APRX 20 DEG PRIOR TO IMPACT. NO AIRSPEED IND INSTALLED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 9/20/1983
Event Day of the Week Tuesday
Time of Event 945
Event Time Zone Pacific Daylight Time
Event City RICHLAND
Event State WASHINGTON
Event Country --
Zipcode of the event site 99352
Event Date Year 1983
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport RICHLAND
Event Location Nearest Airport ID RLD
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 391
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 945 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 90
Weather Observation Facility ID PSC
Elevation of weather observation facility 407
Distance of event from weather observation facility (units?) 8
Time Zone of the weather observation PDT
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) 35
Air Temperature at event time (in degrees celsius) 8
Dew Point at event time (in degress fahrenheit) 2
Wind Direction (degrees magnetic) 250
Variable Wind Indicator Unknown
Wind Speed (knots) 5
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 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) 1920
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 22312
Date of most recent change to record Jan 2 2001 9:16AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number NONE
NTSB Number SEA83FU009
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 103: Ultralight
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CGS Aviation
Aircraft Model HAWK
Aircraft Series Identifier HAWK
Aircraft Serial Number H5 152K
Certified Max Gross Weight 530
Aircraft Category Ultralight
Aircraft Registration Class Not Registered
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 DAVID L. QUINN
Aircraft Owner Street Address ROUTE 1, BOX 1119B
Aircraft Owner City BENTON CITY
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode 99320
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 Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 855
Departure Time Zone PDT
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 Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Oct 22 2001 3:26PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 7
Runway Length 3995
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --