Aircraft Accident/Incident Report

Vero Beach, Florida 32961
Thursday, September 21, 1995 8:00 EDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT STATED THAT, WHILE DUSTING WITH SULFUR, AN EXPLOSION OCCURRED THAT BLEW THE LID OFF OF THE HOPPER, FOLLOWED BY AN IN-FLIGHT FIRE. WHILE MANEUVERING FOR AN EMERGENCY LANDING, THE AIRPLANE COLLIDED WITH TREES, CAME TO REST INVERTED, AND A POSTCRASH FIRE ENSUED. EXAMINATION OF THE AIRPLANE RECORDS REVEALED NO ENTRY THAT AIRWORTHINESS DIRECTIVE 48-34-02, REQUIRING 5 FIRE PREVENTION MEASURES (LOCATION OF ENGINE EXHAUST, BONDING OF FUSELAGE, AGITATOR BEARING DESIGN/MAINTENANCE, HOPPER GATE CONSTRUCTION/MATERIAL, AND FIRE RESISTANT LOWER FUSELAGE), HAD BEEN COMPLIED WITH.

NTSB Probable Cause Narrative

FAILURE OF COMPANY MAINTENANCE PERSONNEL TO COMPLY WITH A REQUIRED AIRWORTHINESS DIRECTIVE, RESULTING IN AN IN-FLIGHT FIRE AND EMERGENCY LANDING. CONTRIBUTING TO THE ACCIDENT WAS THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING.

Event Information

Type of Event Accident
Event Date 9/21/1995
Event Day of the Week Thursday
Time of Event 800
Event Time Zone Eastern Daylight Time
Event City VERO BEACH
Event State FLORIDA
Event Country --
Zipcode of the event site 32961
Event Date Year 1995
Event Date Month 9
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 750 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 80
Weather Observation Facility ID VRB
Elevation of weather observation facility 25
Distance of event from weather observation facility (units?) 10
Time Zone of the weather observation EDT
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) 2
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) 23
Wind Direction (degrees magnetic) 330
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
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) 1180
NTSB Notification Source --
NTSB Notification Date Sep 21 1995 12:00AM
NTSB Notification Time 835
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 7 2000 4:36PM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7304C
NTSB Number MIA95LA227
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire In-flight
Aircraft Explosion In-flight
Aircraft Manufacturer's Full Name AIR TRACTOR
Aircraft Model AT-301A
Aircraft Series Identifier AT-301A
Aircraft Serial Number 301-0597
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 Annual
Date of Last Inspection Mar 6 1995 12:00AM
Airframe hours since last inspection --
Airframe Hours 3176
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name INDIAN RIVER FLYING SERVICE
Aircraft Owner Street Address 1890 98 AVENUE
Aircraft Owner City VERO BEACH
Aircraft Owner State FL
Aircraft Owner Country
Aircraft Owner Zipcode 32966
Operator is an individual? --
Operator Name INDIAN RVER FLYING SERVICE INC
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX 772
Operator City VERO BEACH
Operator State FL
Operator Country
Operator Zip code 32961
Operator Code 5015
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 X52
Departure City
Departure State FL
Departure Country
Departure Time 815
Departure Time Zone EDT
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 Maneuvering
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 --