Aircraft Accident/Incident Report

Immokalee, Florida 33934
Monday, August 16, 1993 8:30 EDT

NTSB Narrative Summary Released at Completion of Accident

THE COMMERCIAL PILOT HAD JUST COMPLETED AN AERIAL APPLICATION SPRAY RUN TO THE SOUTH, AND WAS MANEUVERING BACK TOWARDS THE WEST BEGINNING TO LEVEL OUT AT ABOUT 100 FEET AGL, WHEN THE AIRPLANE FELT MUSHY AND STARTED TO SETTLE INTO THE TREES. THE CHEMICAL LOAD WAS JETTISONED AND FULL POWER WAS APPLIED; HOWEVER, THE AIRPLANE COLLIDED WITH TREES AND CRASHED. REVIEW OF THE PILOTS OPERATING HANDBOOK INDICATES THE POWER OFF STALL SPEED TO BE 60 MPH. THE PILOT STATED HIS AIRSPEED AT THE TIME OF COLLISION WITH THE TREES WAS ESTIMATED TO BE ABOUT 60 TO 65 IAS.

NTSB Probable Cause Narrative

THE PILOT-IN-COMMAND'S FAILURE TO MAINTAIN AIRSPEED (VS) WHILE MANEUVERING RESULTING IN A STALL/MUSH.

Event Information

Type of Event Accident
Event Date 8/16/1993
Event Day of the Week Monday
Time of Event 830
Event Time Zone Eastern Daylight Time
Event City IMMOKALEE
Event State FLORIDA
Event Country --
Zipcode of the event site 33934
Event Date Year 1993
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 0
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 846 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 330
Weather Observation Facility ID RSW
Elevation of weather observation facility 31
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 15000
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) 0
Air Temperature at event time (in degrees celsius) 28
Dew Point at event time (in degress fahrenheit) 26
Wind Direction (degrees magnetic) 300
Variable Wind Indicator Unknown
Wind Speed (knots) 4
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 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) 1145
NTSB Notification Source --
NTSB Notification Date Aug 16 1993 12:00AM
NTSB Notification Time 1400
Fiche Number and/or location -used to find docket information
Date of most recent change to record Dec 11 2000 1:34PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8451K
NTSB Number MIA93LA176
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-164B
Aircraft Series Identifier G-164B
Aircraft Serial Number 700B
Certified Max Gross Weight 4500
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 Jul 1 1993 12:00AM
Airframe hours since last inspection 31
Airframe Hours 9089
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name AIRWORK ENT OF FLORIDA INC.
Aircraft Owner Street Address P.O.BOX 5100
Aircraft Owner City IMMOKALEE
Aircraft Owner State FL
Aircraft Owner Country
Aircraft Owner Zipcode 33934
Operator is an individual? --
Operator Name AIRWORK ENT OF FLORIDA INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O.BOX 5100
Operator City IMMOKALEE
Operator State FL
Operator Country
Operator Zip code 33934
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 810
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 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --