Aircraft Accident/Incident Report

Creswell, Oregon 97426
Sunday, April 21, 2002 13:05 PDT

NTSB Narrative Summary Released at Completion of Accident

During the maiden flight of the experimental aircraft, shortly after takeoff, the engine began to run rough and subsequently quit. Witnesses observed the nose of the airplane drop and shortly thereafter, the airplane collided with the terrain in an open flat field located about one mile from the airport. Post-crash inspection of the airframe revealed no malfunctions in the aircraft's airframe or flight controls. In discussions with people at the airport, the pilot reported that he was having trouble getting the right fuel/oil mixture for the Mazda rotary engine. Each time the engine was run, the spark plugs would foul. Examination of the engine revealed that the engine was seized, with both rotors, an oil pump, and the rotor bearing surfaces exhibiting galling and burn damage consistent with oil starvation. The metering oil pump, which supplies oil to the combustion chambers, was missing from the engine installation, with its drive absent. Further examination disclosed that the oil injection nozzles associated with the missing metering oil pump were also missing from the combustion chambers, and that the nozzle holes were plugged with a non-metallic substance.

NTSB Probable Cause Narrative

A loss of engine power due to oil starvation followed by the pilot's failure to maintain aircraft control during the initial climb shortly after takeoff. An improper engine modification was a factor.

Event Information

Type of Event Accident
Event Date 4/21/2002
Event Day of the Week Sunday
Time of Event 1305
Event Time Zone Pacific Daylight Time
Event City Creswell
Event State OREGON
Event Country --
Zipcode of the event site 97426
Event Date Year 2002
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 435500N
Event Location Longitude 1230040W
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1254 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 300
Weather Observation Facility ID EUG
Elevation of weather observation facility 369
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 3200
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 13
Dew Point at event time (in degress fahrenheit) 8
Wind Direction (degrees magnetic) 330
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 9
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.19
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
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) 13633
NTSB Notification Source FAA ROC
NTSB Notification Date Apr 21 2002 12:00AM
NTSB Notification Time 1330
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Jul 1 2003 9:44AM
User who most recently changed record NTSB\MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office Portland (Hillsboro), OR

Aircraft Involved

Aircraft #1

Aircraft Registration Number N41RG
NTSB Number SEA02LA072
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name Gallagher
Aircraft Model Taylor "Coot"
Aircraft Series Identifier --
Aircraft Serial Number RG-1
Certified Max Gross Weight 1950
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 2
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection --
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name James R West
Aircraft Owner Street Address --
Aircraft Owner City Veneta
Aircraft Owner State OR
Aircraft Owner Country USA
Aircraft Owner Zipcode 97487
Operator is an individual? No
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? --
Certified for Part 133 or 137 Operation --
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 No
Departure Airport Code 77S
Departure City Creswell
Departure State OR
Departure Country USA
Departure Time 1304
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 Unknown
Report sent to ICAO? No
Evacuation occurred No
Date of most recent change to record May 1 2003 3:47PM
User who most recently changed record STAM
Since inspection or accident --
Event Location Runway Number and Location --
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --