Individually Owned: 150,657
Corporate Owned: 137,281
Vaughn Airport
Aircraft Accident/Incident Report
Kress, Texas 79052
Wednesday, May 19, 2004 19:28 CDT
NTSB Narrative Summary Released at Completion of Accident
The 1,911-hour certificated flight instructor reported that while in cruise flight, the propeller separated from the engine. The instructor stated that just prior to the propeller separating from the engine, he noticed a light oil spray covering the windscreen. The instructor then took control of the airplane and executed a forced landing to a nearby airport without further incident. The owner of the airplane reported that he was not aware of any anomalies leading to the failure of the propeller assembly, there were no pre-existing vibrations, no propeller changes, and to his knowledge, "no prior incursion or indications of this occurrence." Examination of the engine revealed that the crankshaft separated aft of the propeller flange. A metallurgical examination of the fractured area of the crankshaft revealed the fracture (consistent with fatigue) within the nitrided layer of the crankshaft originated from a small circumferential crack (consistent with overload) and progressed to the identification stamp. The origination from the original crack is undetermined.
NTSB Probable Cause Narrative
The in-flight separation of the crankshaft for undetermined reasons.
Event Information
| Type of Event | Incident |
| Event Date | 5/19/2004 |
| Event Day of the Week | Wednesday |
| Time of Event | 1928 |
| Event Time Zone | Central Daylight Time |
| Event City | Kress |
| Event State | TEXAS |
| Event Country | -- |
| Zipcode of the event site | 79052 |
| Event Date Year | 2004 |
| Event Date Month | 5 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | 342345N |
| Event Location Longitude | 1014601W |
| Event Location Airport | Vaughn Airport |
| Event Location Nearest Airport ID | 29F |
| Indicates whether the acc/inc occurred off or on an airport | On Airport |
| Distance from airport in statute miles | 0 |
| Degrees magnetic from airport | 180 |
| Airport Elevation | 3500 |
| Weather Briefing Completeness | Not pertinent |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1925 Central Daylight Time |
| Direction of event from weather observation facility (degrees) | 180 |
| Weather Observation Facility ID | PVW |
| Elevation of weather observation facility | 3374 |
| Distance of event from weather observation facility (units?) | 14 |
| Time Zone of the weather observation | CDT |
| 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) | 10 |
| Air Temperature at event time (in degrees celsius) | 31 |
| Dew Point at event time (in degress fahrenheit) | 5 |
| Wind Direction (degrees magnetic) | 180 |
| Variable Wind Indicator | Wind direction could be determined |
| Wind Speed (knots) | 10 |
| Wind Velocity Indicator | -- |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | -- |
| Altimeter Setting at event time (in. Hg) | 29.97 |
| Density Altitude (feet) | 6175 |
| 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) | 17308 |
| NTSB Notification Source | FAA Operations Center |
| NTSB Notification Date | May 20 2004 12:00AM |
| NTSB Notification Time | 700 |
| Fiche Number and/or location -used to find docket information | DMS |
| Date of most recent change to record | Feb 24 2005 9:13AM |
| User who most recently changed record | NTSB\JOHB |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | Lubbock, Texas |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N6943Q |
| NTSB Number | FTW04IA134 |
| Missing Aircraft Indicator | Y |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | No |
| Damage | Minor |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | Beech |
| Aircraft Model | A23A |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | M-1085 |
| Certified Max Gross Weight | 2350 |
| Aircraft Category | Airplane |
| Aircraft Registration Class | U.S. Registered/U.S. Soil |
| 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 | Fixed |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Jan 9 2004 12:00AM |
| Airframe hours since last inspection | -- |
| Airframe Hours | 2389.8 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | Mickey J. Tosh |
| Aircraft Owner Street Address | 14600 Sundown Trail |
| Aircraft Owner City | Amarillo |
| Aircraft Owner State | TX |
| Aircraft Owner Country | USA |
| Aircraft Owner Zipcode | 79118 |
| 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) | Instructional |
| Second Pilot on Board | Yes |
| Departure Point Same as Event | No |
| Departure Airport Code | 1E7 |
| Departure City | Amarillo |
| Departure State | TX |
| Departure Country | USA |
| Departure Time | 1850 |
| Departure Time Zone | CDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | PVW |
| Destination City | Plainview |
| Destination State | TX |
| Destination Country | USA |
| Specific Phase of Flight | Cruise |
| Report sent to ICAO? | No |
| Evacuation occurred | No |
| Date of most recent change to record | -- |
| User who most recently changed record | -- |
| Since inspection or accident | Time of Accident |
| Event Location Runway Number and Location | 17 |
| Runway Length | 3900 |
| Runway Width | 40 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |