Findlay Airport
Aircraft Accident/Incident Report

Findlay, Ohio 45840
Wednesday, September 3, 2008 12:57 EDT

NTSB Narrative Summary Released at Completion of Accident

The airplane was an experimental amateur-built airplane that was a prototype for light sport aircraft certification. The flight test was conducted by the engine manufacturer, who also provided a pilot to fly the airplane. The pilot had not received flight instruction or a checkout in the airplane. The pilot learned to fly the airplane on his own by taxiing and performing local flights in the airport area. The pilot also had no training or experience in aircraft flight test. A larger radiator had been installed onto the airplane due to noted high engine temperature during previous flights. Prior to the accident flight, the pilot performed two taxi tests during which he performed short hops on the runway to get familiar with the aerodynamic forces that would be encountered during takeoff and landing. The engine temperature was reported as normal during this time. The pilot then attempted a takeoff for a flight that was to remain in the airport traffic pattern. Just after takeoff the airplane lost total engine power. The pilot attempted an engine restart without success, during which he did not hear the engine turn over. The pilot then executed a forced landing into a quarry located about 0.6 miles from the departure end of the runway. An examination of the reduction drive assembly needle roller bearing sidewall revealed a combination of wear and high temperatures leading to overstress. Circumferential wear marks on the separated cage sidewall and the presence of metallic debris suggested impingement of the rollers on the sidewall during engine operation. Heat tinting of the outer raceway in the vicinity of the failed sidewall and the cam that served as the inner raceway was also noted. The needle bearing malfunction could be attributed to misalignment of the needle bearing and insufficient lubrication.

NTSB Probable Cause Narrative

A total loss of engine power due to the failure of the reduction drive assembly as a result of excessive wear and high temperatures. Contributing to the accident were the pilot's lack of total experience in the airplane and the unsuitable terrain for a forced landing.

Event Information

Type of Event Accident
Event Date 9/3/2008
Event Day of the Week Wednesday
Time of Event 1257
Event Time Zone Eastern Daylight Time
Event City Findlay
Event State OHIO
Event Country --
Zipcode of the event site 45840
Event Date Year 2008
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 410139N
Event Location Longitude 0833951W
Event Location Airport Findlay Airport
Event Location Nearest Airport ID FDY
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0.6
Degrees magnetic from airport --
Airport Elevation 813
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1253 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 180
Weather Observation Facility ID FDY
Elevation of weather observation facility 813
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) 32
Dew Point at event time (in degress fahrenheit) 16
Wind Direction (degrees magnetic) 100
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 4
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 29.97
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 25013
NTSB Notification Source FAA-AGL-ROC
NTSB Notification Date Sep 3 2008 12:00AM
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Mar 18 2009 5:35PM
User who most recently changed record broda
Basic weather conditions Visual Meteorological Cond
FAA District Office Columbus FSDO

Aircraft Involved

Aircraft #1

Aircraft Registration Number N333SV
NTSB Number CHI08LA274
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name Sadler
Aircraft Model Vampire
Aircraft Series Identifier --
Aircraft Serial Number 054
Certified Max Gross Weight 1500
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? Yes
Flight Crew Seats 2
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 Conditional
Date of Last Inspection Aug 25 2008 12:00AM
Airframe hours since last inspection --
Airframe Hours 52
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name William Sadler
Aircraft Owner Street Address --
Aircraft Owner City --
Aircraft Owner State --
Aircraft Owner Country USA
Aircraft Owner Zipcode --
Operator is an individual? No
Operator Name Sadler Aircraft
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address --
Operator City --
Operator State OR
Operator Country USA
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 --
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) Flight Test
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code FDY
Departure City Findley
Departure State OH
Departure Country USA
Departure Time 1257
Departure Time Zone EDT
Destination Same as Local Flt crash at destination city
Destination Airport Code FDY
Destination City Findley
Destination State OH
Destination Country USA
Specific Phase of Flight Maneuvering - turn to landing area (emergency)
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 7 2009 4:12PM
User who most recently changed record galm
Since inspection or accident --
Event Location Runway Number and Location 07
Runway Length 5883
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --