Aircraft Accident/Incident Report

Klamath Falls, Oregon 97603
Wednesday, June 10, 1992 10:30 PDT

NTSB Narrative Summary Released at Completion of Accident

AT THE END OF AN AERIAL APPLICATION FLIGHT, THE PILOT REPORTED THAT HE WAS PARALLELING A ROAD THAT HIS SON WAS TRAVELLING ON, IN A PICK UP TRUCK. THE PILOT REACHED DOWN TO TURN OFF THE SPRAY PUMP AND AT THE SAME TIME THE TRUCK DISTURBED A FLOCK OF BIRDS THAT TOOK FLIGHT. WHEN THE PILOT LOOKED UP AND SAW THE BIRDS, HE TOOK EVASIVE ACTION IN THE DIRECTION OF THE PICK UP TRUCK. THE AIRPLANE STRUCK THE CAB OF THE TRUCK FROM THE REAR. THE PILOT WAS UNABLE TO MAINTAIN CONTROL OF THE AIRPLANE AND COLLIDED INTO A DITCH.

NTSB Probable Cause Narrative

THE PILOT'S POOR INFLIGHT PLANNING/DECISION. FACTORS TO THE ACCIDENT WERE: CLEARANCE WAS NOT MAINTAINED AND INADEQUATE REMEDIAL ACTION.

Event Information

Type of Event Accident
Event Date 6/10/1992
Event Day of the Week Wednesday
Time of Event 1030
Event Time Zone Pacific Daylight Time
Event City KLAMATH FALLS
Event State OREGON
Event Country --
Zipcode of the event site 97603
Event Date Year 1992
Event Date Month 6
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 Witness
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 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) 0
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 3
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 4
Injury Total None --
Injury Total Serious --
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 316
NTSB Notification Source --
NTSB Notification Date Jun 10 1992 12:00AM
NTSB Notification Time 1202
Fiche Number and/or location -used to find docket information 46489
Date of most recent change to record Dec 11 2000 3:01PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3627S
NTSB Number SEA92LA124
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 SCHWEIZER
Aircraft Model G-164B
Aircraft Series Identifier G-164B
Aircraft Serial Number 732B
Certified Max Gross Weight 6000
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 4 1992 12:00AM
Airframe hours since last inspection 152
Airframe Hours --
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name YANCEY, ROBERT F.
Aircraft Owner Street Address 7617 KIMBERLY CT
Aircraft Owner City KLAMMATH FALLS
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97601
Operator is an individual? --
Operator Name YANCEY, ROBERT F.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 7617 KIMBERLY CT
Operator City KLAMMATH FALLS
Operator State OR
Operator Country
Operator Zip code 97601
Operator Code NMUG
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 1000
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 10:35AM
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 --