Aircraft Accident/Incident Report

Shelby, Mississippi 38774
Friday, August 19, 1988 10:30 CDT

NTSB Narrative Summary Released at Completion of Accident

WHILE ON AN AERIAL APPLICATION FLT DURING THE GROUND ROLL TO TAKEOFF, THE FORWARDMOST OF TWO MAIN GEAR CLAMP BLOCK BOLTS OF THE RT MAIN LANDING GEAR FAILED. THE GEAR TRAILED AFT. THE INBOARD MAIN GEAR LARGE BOLT FAILED. THE ACFT TRAVELLED OFF THE RWY INTO A SOY BEAN FIELD AND NOSED OVER. EXAMINATION OF THE BOLTS REVEALED NO EVIDENCE OF PRE-EXISTING FAILURE. ACCORDING TO THE ACFT MAINTENANCE MANUAL BOTH THE FAILED BOLTS SHOULD BE REPLACED AT A MAXIMUM OF 600 HRS & A MINIMUM OF 300 HRS, DEPENDING ON THE GENERAL LANDING FIELD CONDITIONS. ACCORDING TO THE OPERATOR OF THE ACFT, BOTH BOLTS HAD ACCUMULATED APRX 670 HRS SINCE REPLACEMENT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/19/1988
Event Day of the Week Friday
Time of Event 1030
Event Time Zone Central Daylight Time
Event City SHELBY
Event State MISSISSIPPI
Event Country --
Zipcode of the event site 38774
Event Date Year 1988
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 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1053 Central Daylight Time
Direction of event from weather observation facility (degrees) 124
Weather Observation Facility ID GWO
Elevation of weather observation facility 155
Distance of event from weather observation facility (units?) 41
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 25000
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) 10
Air Temperature at event time (in degrees celsius) 32
Dew Point at event time (in degress fahrenheit) 23
Wind Direction (degrees magnetic) 220
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 2200
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) 754
NTSB Notification Source --
NTSB Notification Date Aug 20 1988 12:00AM
NTSB Notification Time 1000
Fiche Number and/or location -used to find docket information 36607
Date of most recent change to record Dec 13 2000 12:03PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N73089
NTSB Number MIA88LA258
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 AIR TRACTOR
Aircraft Model AT-301A
Aircraft Series Identifier AT-301A
Aircraft Serial Number 301-0634
Certified Max Gross Weight 5000
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours 2000
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name FINLEY BRUNETTI, JR.
Aircraft Owner Street Address P. O. BOX 978
Aircraft Owner City SHELBY
Aircraft Owner State MS
Aircraft Owner Country
Aircraft Owner Zipcode 38774
Operator is an individual? --
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 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 1030
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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --