Louis Bennett Field Airport
Aircraft Accident/Incident Report

Weston, West Virginia 26452
Sunday, September 20, 1992 20:01 EDT

NTSB Narrative Summary Released at Completion of Accident

AFTER BEING ALERTED TO AN OIL STREAK ALONG THE SIDE OF THE AIRPLANE, THE PILOT CHECKED THE OIL AND THEN DEPARTED ON A NIGHT FLIGHT OVER HILLY TERRAIN. WHILE IN CRUISE FLIGHT, THE PILOT REPORTED 'MOTOR TROUBLES' TO APPROACH CONTROL AND RECEIVED VECTORS TO THE CLOSEST AIRPORT. THIS AIRPORT HAD NO RUNWAY LIGHTING. THE PILOT WAS ABLE TO MAINTAIN PARTIAL POWER FOR ABOUT 14 MINUTES. DURING THIS TIME, THE ATC CONTROLER WAS UNSUCCESSFUL IN ATTEMPTS TO TURN ON THE RUNWAY LIGHTS AT THE CLOSEST AIRPORT, AND WAS UNAWARE THE LIGHTS WERE OUT OF SERVICE. THE PILOT THEN REPORTED 'ITS DEAD' AS HE APPROACHED THE AIRPORT. HE WAS UNABLE TO LAND AT THE UNLIT AIRPORT, DESPITE GUIDANCE FROM ATC AND ANOTHER AIRPLANE WHICH WAS IN THE VICINITY. THE AIRPLANE IMPACTED TERRAIN AND WAS DESTROYED. AN EXAM OF THE ENGINE REVEALED THE NO. 1 CYLINDER HAD SEPARATED FROM THE ENGINE CRANKCASE IN FLIGHT. A METALLURGICAL EXAM REVEALED EVIDENCE OF FRETTING DAMAGE ON THE ATTACHMENT FLANGE AND FATIGUE FAILURE OF THE ATTACHING THROUGH BOLTS AND HOLD DOWN STUDS.

NTSB Probable Cause Narrative

TOTAL LOSS OF ENGINE POWER DUE TO THE INADEQUATE TORQUE OF THE NO. 1 CYLINDER ATTACH BOLTS AND STUDS, FATIQUE FAILURE OF THE BOLTS/STUDS, AND SEPARATION OF THE NO. 1 CYLINDER. FACTORS RELATED TO THE ACCIDENT WERE: DARKNESS AND HILLY TERRAIN, WHICH WERE UNSUITABLE FOR A FORCED LANDING.

Event Information

Type of Event Accident
Event Date 9/20/1992
Event Day of the Week Sunday
Time of Event 2001
Event Time Zone Eastern Daylight Time
Event City WESTON
Event State WEST VIRGINIA
Event Country --
Zipcode of the event site 26452
Event Date Year 1992
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport LOUIS BENNETT FIELD
Event Location Nearest Airport ID 49I
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport 90
Airport Elevation 3200
Weather Briefing Completeness Partial - limited by pilot
Investigator's weather source Weather Observation Facility
Time of the weather observation 1945 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 50
Weather Observation Facility ID CKB
Elevation of weather observation facility 1203
Distance of event from weather observation facility (units?) 17
Time Zone of the weather observation EDT
Lighting Conditions Night/Dark
Lowest Ceiling Height 20000
Lowest Non-Ceiling Height 3000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 12
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) 19
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
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 Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 900
NTSB Notification Source --
NTSB Notification Date Sep 20 1992 12:00AM
NTSB Notification Time 2105
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 11 2000 3:17PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N99693
NTSB Number BFO92FA152
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name MOONEY
Aircraft Model M20K
Aircraft Series Identifier M20K
Aircraft Serial Number 25-0548
Certified Max Gross Weight 2740
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Feb 25 1992 12:00AM
Airframe hours since last inspection --
Airframe Hours 1500
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name T AND S RENTALS
Aircraft Owner Street Address 1430 VAN VOORHIS ROAD
Aircraft Owner City MORGANTOWN
Aircraft Owner State WV
Aircraft Owner Country
Aircraft Owner Zipcode 26505
Operator is an individual? --
Operator Name T AND S RENTALS
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 1430 VAN VOORHIS ROAD
Operator City MORGANTOWN
Operator State WV
Operator Country
Operator Zip code 26505
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 CRW
Departure City CHARLESTON
Departure State WV
Departure Country
Departure Time 1930
Departure Time Zone EDT
Destination Same as Local Flt --
Destination Airport Code MGW
Destination City MORGANTOWN
Destination State WV
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 3195
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --