Aircraft Accident/Incident Report

Waynesboro, Mississippi 39367
Thursday, August 11, 1994 16:30 CDT

NTSB Narrative Summary Released at Completion of Accident

THE EXPERIMENTAL HOMEBUILT AIRPLANE HAD JUST REACHED CRUISE ALTITUDE WHEN THE ENGINE FAILED. THE PILOT EXECUTED A FORCED LANDING TO A CORNFIELD AND THE AIRPLANE WAS SUBSTANTIALLY DAMAGED. EXAMINATION OF THE ENGINE REVEALED THAT THE CRANKSHAFT HAD SEIZED DUE TO THE CRANKSHAFT HAVING NO END PLAY, AS REQUIRED. THE CRANKSHAFT MAIN BEARING HAD ALSO FAILED ALLOWING THE DOWEL RODS TO SCORE INTO THE CRANKSHAFT. THE LOGBOOKS WERE INCOMPLETE; THE PERSON WHO INSTALLED THE CRANKSHAFT COULD NOT BE DETERMINED.

NTSB Probable Cause Narrative

AN ENGINE FAILURE DUE TO IMPROPER MAINTENANCE [OVERHAUL] OF THE ENGINE CRANKSHAFT.

Event Information

Type of Event Accident
Event Date 8/11/1994
Event Day of the Week Thursday
Time of Event 1630
Event Time Zone Central Daylight Time
Event City WAYNESBORO
Event State MISSISSIPPI
Event Country --
Zipcode of the event site 39367
Event Date Year 1994
Event Date Month 8
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1750 Central Daylight Time
Direction of event from weather observation facility (degrees) 45
Weather Observation Facility ID MEI
Elevation of weather observation facility 145
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 4800
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 4
Air Temperature at event time (in degrees celsius) 33
Dew Point at event time (in degress fahrenheit) 21
Wind Direction (degrees magnetic) 110
Variable Wind Indicator Unknown
Wind Speed (knots) 6
Wind Velocity Indicator Unknown
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 NTSB
NTSB Docket Number (internal use) 1354
NTSB Notification Source --
NTSB Notification Date Aug 11 1994 12:00AM
NTSB Notification Time 2040
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 6 2000 12:02PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N10JB
NTSB Number MIA94LA194
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 AEROSPORT
Aircraft Model QUAIL
Aircraft Series Identifier QUAIL
Aircraft Serial Number BAQ-1
Certified Max Gross Weight 900
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 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name DAVIS, JOHN P.
Aircraft Owner Street Address BOX 262
Aircraft Owner City CLARA
Aircraft Owner State MS
Aircraft Owner Country
Aircraft Owner Zipcode 39324
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address
Operator City
Operator State J
Operator Country
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 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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1620
Departure Time Zone CDT
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 Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
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 --