Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Rutland, Iowa 50582
Saturday, July 4, 1992 8:15 CDT
NTSB Narrative Summary Released at Completion of Accident
THE ACCIDENT AIRPLANE WAS IN CRUISE FLIGHT WHEN THE PILOT NOTED AN ENGINE VIBRATION FOLLOWED BY AN INFLIGHT SEPARATION OF THE PROPELLER AND SPINNER. THE PILOT DECLARED AN EMERGENCY AND LANDED IN A SOYBEAN FIELD. DURING THE LANDING ROLL THE AIRPLANE NOSED OVER IN SOFT TERRAIN. THE PROPELLER AND SPINNER WERE RECOVERED STILL ATTACHED TO THE FRONT PORTION OF THE ENGINE CRANKSHAFT. EXAMINATION OF THE CRANKSHAFT SHOWED AN AREA OF WEAR AT THE KEYSLOT WHERE THE PROPELLER FLANGE IS FITTED OVER THE SHAFT. EXAMINATION OF THE INSIDE WALLS OF THE PROPELLER FLANGE SHOWED AN 'AREA OF CONCENTRATED FRETTING WHICH LEFT A DISTINCT WEAR MARK THAT MATCHES THE FRACTURE SURFACE OF THE FAILED CRANKSHAFT.' ACCORDING TO MAINTENANCE RECORDS THE CONVERTED AUTOMOTIVE ENGINE HAD BEEN IN SERVICE SINCE MAY 23, 1987 AND HAD ACCUMULATED APPROXIMATELY 387 HOURS IN SERVICE. THE LAST ANNUAL INSPECTION ON THE AIRPLANE WAS ACCOMPLISHED ON MAY 21, 1992, APPROXIMATELY 3 FLIGHT HOURS BEFORE THE ACCIDENT.
NTSB Probable Cause Narrative
A FATIGUE FAILURE OF THE ENGINE CRANKSHAFT DURING CRUISE FLIGHT.
Event Information
| Type of Event | Accident |
| Event Date | 7/4/1992 |
| Event Day of the Week | Saturday |
| Time of Event | 815 |
| Event Time Zone | Central Daylight Time |
| Event City | RUTLAND |
| Event State | IOWA |
| Event Country | -- |
| Zipcode of the event site | 50582 |
| Event Date Year | 1992 |
| Event Date Month | 7 |
| 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 | -- |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 816 Central Daylight Time |
| Direction of event from weather observation facility (degrees) | 200 |
| Weather Observation Facility ID | FOD |
| Elevation of weather observation facility | 1157 |
| Distance of event from weather observation facility (units?) | 14 |
| Time Zone of the weather observation | CDT |
| 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) | 10 |
| Air Temperature at event time (in degrees celsius) | 18 |
| Dew Point at event time (in degress fahrenheit) | 13 |
| Wind Direction (degrees magnetic) | 60 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 0 |
| Wind Velocity Indicator | Light and Variable |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | Minor |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | 1 |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 1 |
| Investigating Agency | FAA |
| NTSB Docket Number (internal use) | 2773 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Jul 6 1992 12:00AM |
| NTSB Notification Time | 708 |
| Fiche Number and/or location -used to find docket information | |
| Date of most recent change to record | Dec 11 2000 3:04PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N84JS |
| NTSB Number | CHI92DCD08 |
| 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 | JOHN SCHACKEL |
| Aircraft Model | Q2 |
| Aircraft Series Identifier | Q2 |
| Aircraft Serial Number | 2329 |
| Certified Max Gross Weight | 1000 |
| 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 | Annual |
| Date of Last Inspection | May 21 1992 12:00AM |
| Airframe hours since last inspection | 3 |
| Airframe Hours | 387 |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | SCHACKEL, JOHN A |
| Aircraft Owner Street Address | 2993 15TH AVE NE |
| Aircraft Owner City | FORT DODGE |
| Aircraft Owner State | IA |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 50501 |
| Operator is an individual? | -- |
| Operator Name | SCHACKEL, JOHN A |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | Yes |
| Operator Street Address | 2993 15TH AVE NE |
| Operator City | FORT DODGE |
| Operator State | IA |
| Operator Country | |
| Operator Zip code | 50501 |
| 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) | Personal |
| Second Pilot on Board | No |
| Departure Point Same as Event | No |
| Departure Airport Code | DOD |
| Departure City | FORT DODGE |
| Departure State | IA |
| Departure Country | |
| Departure Time | 800 |
| Departure Time Zone | CDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | EST |
| Destination City | ESTHERVILLE |
| Destination State | IA |
| Destination Country | |
| Specific Phase of Flight | Cruise |
| 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 | -- |
| Runway Width | -- |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |