Aircraft Accident/Incident Report

Watertown, South Dakota 57201
Tuesady, August 17, 1982 18:05 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT WAS SPRAYING A SUNFLOWER FIELD NEXT TO AN ALFALFA FIELD THAT WAS BEING IRRIGATED. AS HE PULLED UP FROM HIS THIRD SWATH RUN, HE BEGAN A PROCEDURE TURN-AROUND OVER THE ALFALFA FIELD. DURING THE TURN, THE PLANE ROLLED TO AN INVERTED ATTITUDE, THEN PITCHED DOWN AND CRASHED. AN INVESTIGATION REVEALED THAT THE TURN WAS MADE DOWNWIND FROM THE IRRIGATION SPRINKLERS. THE HUMIDITY IN THE VICINITY OF THE TURN WAS ESTIMATED TO BE ABOUT 80%, WHEREAS THE HUMIDITY OVER THE SUNFLOWER FIELD WAS ESTIMATED TO BE ABOUT 40%. THE ELEVATION OF THE CRASH SITE WAS 1860 FT AND THE TEMPERATURE AND ALTIMETER SETTING WERE ABOUT 85 DEG AND 30.12, RESPECTIVELY. AN EXAMINATION OF THE WRECKAGE REVEALED NO PREIMPACT FAILURES.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/17/1982
Event Day of the Week Tuesday
Time of Event 1805
Event Time Zone Central Daylight Time
Event City WATERTOWN
Event State SOUTH DAKOTA
Event Country --
Zipcode of the event site 57201
Event Date Year 1982
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 Unknown
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 0
Lowest Non-Ceiling Height 25000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 6
Air Temperature at event time (in degrees celsius) 85
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 160
Variable Wind Indicator Unknown
Wind Speed (knots) 9
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency FAA
NTSB Docket Number (internal use) 1942
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Oct 31 2002 4:04PM
User who most recently changed record NTSB\ZUZL
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N154T
NTSB Number DEN82FTK06
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 None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-18
Aircraft Series Identifier PA-18
Aircraft Serial Number 18-2268
Certified Max Gross Weight 1500
Aircraft Category Airplane
Aircraft Registration Class Unknown
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
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 207
Airframe Hours 4420
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name MORRIS RIGGIN
Aircraft Owner Street Address RR 2, BOX 160
Aircraft Owner City WATERTOWN
Aircraft Owner State SD
Aircraft Owner Country
Aircraft Owner Zipcode 57201
Operator is an individual? --
Operator Name RIGGIN SPRAY SERVICE
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address RR 2, BOX 160
Operator City WATERTOWN
Operator State SD
Operator Country
Operator Zip code 57201
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
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 WATERTOWN
Departure State SD
Departure Country
Departure Time 1740
Departure Time Zone
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City WATERTOWN
Destination State SD
Destination Country
Specific Phase of Flight Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2002 4:50PM
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 --