Aircraft Accident/Incident Report

Independence, Oregon 97351
Thursday, April 6, 1989 19:15 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT HAD INSTALLED A USED 'SCIMITAR' PROP WHILE WAITING FOR HIS TO BE REFINISHED. DURING A SPEED RUN AT 190 MPH, WITH ABOUT 2900 RPM, PART OF PROP SEPARATED. THE PLT SHUT DOWN THE ENG & INITIATED AN EMERGENCY LANDING. HOWEVER, WHILE MANEUVERING TO AVOID WIRES, AT ABOUT 25 TO 50 FT AGL, THE ACFT STALLED, THEN MUSHED INTO THE GROUND.

NTSB Probable Cause Narrative

FAILURE OF THE PROPELLER. A RELATED FACTOR WAS THE OBSTRUCTION (TRANSMISSION LINE) IN THE EMERGENCY LANDING AREA.

Event Information

Type of Event Accident
Event Date 4/6/1989
Event Day of the Week Thursday
Time of Event 1915
Event Time Zone Pacific Daylight Time
Event City INDEPENDENCE
Event State OREGON
Event Country --
Zipcode of the event site 97351
Event Date Year 1989
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
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 0
Degrees magnetic from airport 0
Airport Elevation 0
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 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) 16
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 360
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) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 109
NTSB Notification Source --
NTSB Notification Date Apr 6 1989 12:00AM
NTSB Notification Time 2100
Fiche Number and/or location -used to find docket information 38302
Date of most recent change to record Dec 13 2000 12:37PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N504JT
NTSB Number SEA89LA066
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 THIESSEN
Aircraft Model RV-4
Aircraft Series Identifier RV-4
Aircraft Serial Number RV-4
Certified Max Gross Weight 1500
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 Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection Apr 5 1989 12:00AM
Airframe hours since last inspection 0
Airframe Hours 55
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name JACOB THIESSEN
Aircraft Owner Street Address 3833 BARTLETT DR. SE
Aircraft Owner City SALEM
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97302
Operator is an individual? --
Operator Name JACOB THIESSEN
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 3833 BARTLETT RD SE
Operator City SALEM
Operator State OR
Operator Country
Operator Zip code 97302
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 7S5
Departure City
Departure State
Departure Country
Departure Time 1900
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 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 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --