John Day Airport
Aircraft Accident/Incident Report

John Day, Oregon 97845
Sunday, July 9, 1989 11:43 PDT

NTSB Narrative Summary Released at Completion of Accident

PRIOR TO THE PLEASURE FLIGHT, THE PILOT REPORTED THAT WHEN ASSEMBLING THE LEFT WING, THE MOUNT BOLTS WOULD NOT ALIGN. THE PILOT DRILLED NEW HOLES ELONGATING THE ORIGINAL HOLES. THE WING WAS ASSEMBLED AND THE PILOT ATTEMPTED A TAKEOFF. JUST AFTER LIFT OFF, THE AIRPLANE BEGAN TO PORPOISE. SHORTLY THERE AFTER, THE LEFT WING FOLDED BACK AND UP. THE AIRPLANE ROLLED INVERTED TO THE LEFT AND SKIDDED DOWN THE RUNWAY. POST CRASH INSPECTION OF THE AIRPLANE REVEALED THAT THE WING BROKE AWAY AT THE SPAR. DRY ROT WAS NOTED THROUGHOUT THE ENTIRE STRUCTURE.

NTSB Probable Cause Narrative

THE PILOT IMPROPERLY CHANGED THE DESIGN OF THE AIRPLANE BY ELONGATING HOLES AT THE WING ATTACHMENT. THE CHANGE WAS NOT INSPECTED BY A QUALIFIED INDIVIDUAL. AS A RESULT OF THE CHANGE, THE WING SEPARATED AT THE SPAR.

Event Information

Type of Event Accident
Event Date 7/9/1989
Event Day of the Week Sunday
Time of Event 1143
Event Time Zone Pacific Daylight Time
Event City JOHN DAY
Event State OREGON
Event Country --
Zipcode of the event site 97845
Event Date Year 1989
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport JOHN DAY
Event Location Nearest Airport ID 5JD
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 3700
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
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 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 50
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
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) 702
NTSB Notification Source --
NTSB Notification Date Jul 9 1989 12:00AM
NTSB Notification Time 1245
Fiche Number and/or location -used to find docket information 40206
Date of most recent change to record Dec 13 2000 12:53PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N129C
NTSB Number SEA89LA130
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 CUSHING
Aircraft Model C2
Aircraft Series Identifier C2
Aircraft Serial Number 12
Certified Max Gross Weight 1000
Aircraft Category Airplane
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 Aug 12 1988 12:00AM
Airframe hours since last inspection 1
Airframe Hours 338
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name WRIGHT, JERRY W.
Aircraft Owner Street Address RT. 2 BOX 984
Aircraft Owner City PRAIRIE CITY
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97869
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) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
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 Takeoff
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 27
Runway Length 3436
Runway Width 60
Sight Seeing flight No
Air Medical Flight No
Medical Flight --