Aircraft Accident/Incident Report

Mission, Texas 78572
Monday, July 2, 1990 14:30 CDT

NTSB Narrative Summary Released at Completion of Accident

AFTER SPRAYING THE FIELD THE PILOT WAS 'CLEANING UP THE END' AND WAS FLYING ON THE LEE SIDE OF TREES WHEN HE FELT THE LEFT WING DROP. ACCORDING TO THE PILOT, EITHER THE LANDING GEAR OR THE LEFT WING CAUGHT IN THE 3 1/2 FOOT TALL GRAIN, AND HE WAS UNABLE TO RAISE THE WING. THE AIRPLANE CAME TO REST ABOUT 165 YARDS AFTER INITAIL TERRAIN IMPACT. THE PILOT FELT THAT HE ENCOUNTERED MECHANICAL TURBULENCE, CAUSING THE INITIAL LOSS OF CONTROL.

NTSB Probable Cause Narrative

THE PILOT'S FAILURE TO MAINTAIN PROPER CLEARANCE ABOVE THE CROPS HE WAS SPRAYING. A FACTOR WAS THE TREE INDUCED MECHANICAL TURBULENCE ENCOUNTERED DURING THE DESCENDING TURN.

Event Information

Type of Event Accident
Event Date 7/2/1990
Event Day of the Week Monday
Time of Event 1430
Event Time Zone Central Daylight Time
Event City MISSION
Event State TEXAS
Event Country --
Zipcode of the event site 78572
Event Date Year 1990
Event Date Month 7
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 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 2700
Lowest Non-Ceiling Height 2000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 10
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) 32
Dew Point at event time (in degress fahrenheit) 32
Wind Direction (degrees magnetic) 140
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 15
Altimeter Setting at event time (in. Hg) 29
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 FAA
NTSB Docket Number (internal use) 1458
NTSB Notification Source --
NTSB Notification Date Jul 2 1990 12:00AM
NTSB Notification Time 1530
Fiche Number and/or location -used to find docket information 42767
Date of most recent change to record Dec 12 2000 5:09PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3653W
NTSB Number FTW90DRG04
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-301
Aircraft Series Identifier AT-301
Aircraft Serial Number 301-0274
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 Feb 19 1990 12:00AM
Airframe hours since last inspection 291
Airframe Hours 3017
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HOPSON PUTZ DUSTING SVC, INC.
Aircraft Owner Street Address P.O. BOX 1027
Aircraft Owner City MISSION
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode 78527
Operator is an individual? --
Operator Name PUTZ AERO, INC
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address FM 1427 P.O. BOX 1027
Operator City MISSION
Operator State TX
Operator Country
Operator Zip code 78572
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 1345
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 Maneuvering
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 --