Aircraft Accident/Incident Report

Tracy, California 96376
Friday, September 22, 2000 7:50 PDT

NTSB Narrative Summary Released at Completion of Accident

The pilot of the agricultural application aircraft reported that the aircraft's engine lost power during a turnaround maneuver, and, during the ensuing forced landing, the aircraft rolled through a muddy bog and nosed over. Postaccident examination revealed that the number 1 connecting rod failed.

NTSB Probable Cause Narrative

Loss of engine power due to failure and separation of the number one connecting rod.

Event Information

Type of Event Accident
Event Date 9/22/2000
Event Day of the Week Friday
Time of Event 750
Event Time Zone Pacific Daylight Time
Event City TRACY
Event State CALIFORNIA
Event Country --
Zipcode of the event site 96376
Event Date Year 2000
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 Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 756 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 20
Weather Observation Facility ID SCK
Elevation of weather observation facility 30
Distance of event from weather observation facility (units?) 16
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 7000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 64
Dew Point at event time (in degress fahrenheit) 61
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
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 NTSB
NTSB Docket Number (internal use) 10142
NTSB Notification Source FAA
NTSB Notification Date Sep 22 2000 12:00AM
NTSB Notification Time 2220
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Jul 17 2001 8:35AM
User who most recently changed record MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8981H
NTSB Number LAX00LA345
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 Grumman-Schweizer
Aircraft Model G-164B
Aircraft Series Identifier G-164B
Aircraft Serial Number 48
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 --
Airframe hours since last inspection 94
Airframe Hours --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name TRINKLE AND BOYS AGRI FLY'G
Aircraft Owner Street Address 31244 SOUTH HIGHWAY 33
Aircraft Owner City TRACY
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 95376
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code MBNG
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 740
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 Jun 27 2001 3:43PM
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 --