Private Airport
Aircraft Accident/Incident Report

Welsh, Louisiana 70591
Thursday, May 14, 1992 12:15 CDT

NTSB Narrative Summary Released at Completion of Accident

IMMEDIATELY AFTER LIFTOFF, THE PILOT HEARD AN EXPLOSION AND FLAMES BRIEFLY ENGULFED THE COCKPIT. AS THE FLAMES CLEARED THE ENGINE SEIZED AND THE AIRPLANE SETTLED BACK ONTO THE STRIP. THE PILOT APPLIED MAXIMUM BRAKING; HOWEVER, THE AIRPLANE DEVELOPED A LEFT DRIFT THAT HE WAS UNABLE TO CORRECT. THE AIRPLANE SUBSEQUENTLY DEPARTED THE LEFT SIDE OF THE RUNWAY AND COLLIDED WITH A THREE FOOT DEEP DITCH. INVESTIGATION REVEALED THAT SEVERAL TURBINE BLADES HAD BEEN RELEASED FROM BOTH THE GAS PRODUCER AND POWER TURBINE WHEELS. THE MANUFACTURER REPORTED THAT THE BLADES WERE RELEASED AS A RESULT OF INTERFERENCE, BUT DID NOT REPORT THE REASON FOR THE INTERFERENCE.

NTSB Probable Cause Narrative

THE ENGINE FAILURE AT LIFTOFF DUE TO THE FAILURE OF MULTIPLE TURBINE BLADES AND THE PILOT'S INABILITY TO MAINTAIN DIRECTIONAL CONTROL DURING THE ABORTED TAKEOFF.

Event Information

Type of Event Accident
Event Date 5/14/1992
Event Day of the Week Thursday
Time of Event 1215
Event Time Zone Central Daylight Time
Event City WELSH
Event State LOUISIANA
Event Country --
Zipcode of the event site 70591
Event Date Year 1992
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport PRIVATE
Event Location Nearest Airport ID NONE
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 30
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 2500
Lowest Non-Ceiling Height 1500
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) 7
Air Temperature at event time (in degrees celsius) 32
Dew Point at event time (in degress fahrenheit) 26
Wind Direction (degrees magnetic) 180
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) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2231
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 47003
Date of most recent change to record Dec 11 2000 2:55PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8331K
NTSB Number FTW92LA132
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name SCHWEIZER
Aircraft Model G-164D
Aircraft Series Identifier G-164D
Aircraft Serial Number 16D
Certified Max Gross Weight 6300
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 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Mar 2 1992 12:00AM
Airframe hours since last inspection 150
Airframe Hours 4569
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name LYON FLYING SERVICE, INC.
Aircraft Owner Street Address P. O. BOX 726
Aircraft Owner City WELSH
Aircraft Owner State LA
Aircraft Owner Country
Aircraft Owner Zipcode 70591
Operator is an individual? --
Operator Name LYON FLYING SERVICE, INC.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address P. O. BOX 726
Operator City WELSH
Operator State LA
Operator Country
Operator Zip code 70591
Operator Code SEBG
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Agriculture
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Aerial Application
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1215
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 Takeoff
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 18
Runway Length 2000
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --