Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Winnsboro, South Carolina 29180
Tuesady, July 3, 2007 15:00 EDT
NTSB Narrative Summary Released at Completion of Accident
A certified flight instructor (CFI) was flying with a commercial pilot who was receiving dual flight instruction towards a flight instructor certificate. After practicing a simulated engine failure, the airplane was in cruise flight at an altitude of 2,200 feet msl, when the engine rpm suddenly dropped to 800 rpm. The CFI was not able to restore engine power, and performed a forced landing to a field. During the landing, the airplane's left wing struck a tree stump and was substantially damaged. During a post-accident test run, the engine ran rough, with intermittent surges. After the fuel injector servo was removed and a replacement installed, the engine ran smoothly through 2,500 rpm. Subsequent examination of the fuel injector servo revealed that the fuel inlet screen had more than 50 percent of its exterior surface covered in light brown corrosion/contamination, and two-thirds of the inlet fitting was blocked by debris. In addition, contamination was noted throughout the fuel servo. The airplane had been operated for about 5 hours since its most recent annual inspection, which was performed about 3 months prior to the accident. The airplane manufacture's annual inspection guidelines included inspecting the fuel injection system, and cleaning the screens per the engine manufacturer's recommendations.
NTSB Probable Cause Narrative
A loss of engine power due to contamination within the fuel injector servo, which was not detected during a recent inadequate annual inspection.
Event Information
| Type of Event | Accident |
| Event Date | 7/3/2007 |
| Event Day of the Week | Tuesday |
| Time of Event | 1500 |
| Event Time Zone | Eastern Daylight Time |
| Event City | Winnsboro |
| Event State | SOUTH CAROLINA |
| Event Country | -- |
| Zipcode of the event site | 29180 |
| Event Date Year | 2007 |
| Event Date Month | 7 |
| MidAir Collision Indicator | -- |
| On Ground Collision occurred ? | -- |
| Event Location Latitude | 341855N |
| Event Location Longitude | 0810631W |
| 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 | -- |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1456 Eastern Daylight Time |
| Direction of event from weather observation facility (degrees) | 225 |
| Weather Observation Facility ID | CAE |
| Elevation of weather observation facility | 236 |
| Distance of event from weather observation facility (units?) | 25 |
| Time Zone of the weather observation | EDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 7500 |
| Lowest Non-Ceiling Height | 4900 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | -- |
| Visibility Runway Visual Value (Statute Miles) | -- |
| Visibility (Statute Miles) | 10 |
| Air Temperature at event time (in degrees celsius) | 27 |
| Dew Point at event time (in degress fahrenheit) | 16 |
| Wind Direction (degrees magnetic) | 110 |
| 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) | 30.18 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | -- |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | -- |
| On Ground, Minor Injuries | -- |
| On Ground, Serious Injuries | -- |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 2 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 23681 |
| NTSB Notification Source | FAA Atlanta Comm Center |
| NTSB Notification Date | Jul 3 2007 12:00AM |
| NTSB Notification Time | -- |
| Fiche Number and/or location -used to find docket information | DMS |
| Date of most recent change to record | May 28 2008 12:03PM |
| User who most recently changed record | NTSB\johb |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | Columbia, SC |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N7837V |
| NTSB Number | NYC07LA157 |
| Missing Aircraft Indicator | -- |
| 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 | Mooney |
| Aircraft Model | M20E |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | 459 |
| Certified Max Gross Weight | 2575 |
| Aircraft Category | Airplane |
| Aircraft Registration Class | -- |
| Aircraft is a homebuilt? | No |
| Flight Crew Seats | -- |
| Cabin Crew Seats | -- |
| Passenger Seats | -- |
| Total number of seats on the aircraft | 4 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Apr 1 2007 12:00AM |
| Airframe hours since last inspection | 5 |
| Airframe Hours | 4117 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | Harry J. Bous |
| Aircraft Owner Street Address | -- |
| Aircraft Owner City | -- |
| Aircraft Owner State | -- |
| Aircraft Owner Country | -- |
| Aircraft Owner Zipcode | -- |
| Operator is an individual? | Yes |
| Operator Name | -- |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | -- |
| Operator City | Cayce |
| Operator State | SC |
| Operator Country | USA |
| Operator Zip code | 29033 |
| 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) | Instructional |
| Second Pilot on Board | Yes |
| Departure Point Same as Event | No |
| Departure Airport Code | CAE |
| Departure City | Columbia |
| Departure State | SC |
| Departure Country | USA |
| Departure Time | 1445 |
| Departure Time Zone | EDT |
| Destination Same as Local Flt | crash at destination city |
| Destination Airport Code | FDW |
| Destination City | Winnsboro |
| Destination State | SC |
| Destination Country | USA |
| Specific Phase of Flight | Climb |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | May 22 2008 11:15AM |
| User who most recently changed record | grer |
| Since inspection or accident | Time of Accident |
| Event Location Runway Number and Location | NA |
| Runway Length | -- |
| Runway Width | -- |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |