Aircraft Accident/Incident Report

Dayton, Washington 99328
Monday, September 13, 1993 9:10 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT REPORTED THAT WHILE 'DODGING TREES' FOLLOWING A SPRAY RUN IN A CANYON, THE AIRCRAFT IMPACTED AN UNMARKED POWER LINE AND THEN COLLIDED WITH TERRAIN.

NTSB Probable Cause Narrative

THE PILOT IN COMMAND'S FAILURE TO MAINTAIN PROPER CLEARANCE FROM THE POWER LINES. THE UNMARKED POWER LINES WERE A FACTOR.

Event Information

Type of Event Accident
Event Date 9/13/1993
Event Day of the Week Monday
Time of Event 910
Event Time Zone Pacific Daylight Time
Event City DAYTON
Event State WASHINGTON
Event Country --
Zipcode of the event site 99328
Event Date Year 1993
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 900 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 225
Weather Observation Facility ID ALW
Elevation of weather observation facility 1205
Distance of event from weather observation facility (units?) 14
Time Zone of the weather observation PDT
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) 30
Air Temperature at event time (in degrees celsius) 17
Dew Point at event time (in degress fahrenheit) 4
Wind Direction (degrees magnetic) 240
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) 1522
NTSB Notification Source --
NTSB Notification Date Sep 13 1993 12:00AM
NTSB Notification Time 1030
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 11 2000 1:39PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9536
NTSB Number SEA93LA198
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 Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name Grumman-Schweizer
Aircraft Model G164A
Aircraft Series Identifier G164A
Aircraft Serial Number 1191
Certified Max Gross Weight 6700
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 100 Hour
Date of Last Inspection Jul 7 1993 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name CROPLAND AIR SERVICE, INC.
Aircraft Owner Street Address RR1, BOX 26
Aircraft Owner City WAITSBURG
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode 99361
Operator is an individual? --
Operator Name CROPLAND AIR SERVICE, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address RR 1, BOX 26
Operator City WAITSBURG
Operator State WA
Operator Country
Operator Zip code 99361
Operator Code WYQG
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 No
Departure Airport Code
Departure City WAITSBURG
Departure State WA
Departure Country
Departure Time 900
Departure Time Zone PDT
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 --