Aircraft Accident/Incident Report

Garfield, Washington 99130
Thursday, October 7, 1993 12:00 PDT

NTSB Narrative Summary Released at Completion of Accident

WHILE THE AIRPLANE WAS IN CRUISE FLIGHT AT 500 FEET AGL, THE ENGINE BEGAN TO VIBRATE AND SHAKE. THE PILOT SHUT THE ENGINE DOWN AND INITIATED A FORCED LANDING TO AN OPEN AREA. DURING THE GROUND ROLL, THE AIRPLANE COLLIDED WITH THE ROUGH TERRAIN AND GROUND LOOPED. POST-CRASH INVESTIGATION REVEALED THAT THE NUMBER THREE CONNECTING ROD WAS BROKEN. METALLURGICAL EXAMINATION REVEALED THAT THE BREAKING AND DAMAGE OF THE NUMBER THREE CONNECTING ROD WAS THE RESULT OF FATIGUE FRACTURE OF ONE OF THE CONNECTING ROD BOLTS.

NTSB Probable Cause Narrative

CONNECTING ROD BOLT FATIGUE.

Event Information

Type of Event Accident
Event Date 10/7/1993
Event Day of the Week Thursday
Time of Event 1200
Event Time Zone Pacific Daylight Time
Event City GARFIELD
Event State WASHINGTON
Event Country --
Zipcode of the event site 99130
Event Date Year 1993
Event Date Month 10
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 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 800
Lowest Non-Ceiling Height 800
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
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) --
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 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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1902
NTSB Notification Source --
NTSB Notification Date Oct 12 1993 12:00AM
NTSB Notification Time 1040
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 11 2000 1:43PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N61946
NTSB Number SEA94LA016
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 180K
Aircraft Series Identifier 180K
Aircraft Serial Number 18052815
Certified Max Gross Weight 2650
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 6
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jul 6 1993 12:00AM
Airframe hours since last inspection 30
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name CHAPMAN, WALLACE J.
Aircraft Owner Street Address P.O. BOX 73
Aircraft Owner City FERDINAND
Aircraft Owner State ID
Aircraft Owner Country
Aircraft Owner Zipcode 83526
Operator is an individual? --
Operator Name CHAPMAN, WALLACE J.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX
Operator City FERDINAND
Operator State ID
Operator Country
Operator Zip code 83526
Operator Code
Owner has at least one certificate None
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 --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code SFF
Departure City SPOKANE
Departure State WA
Departure Country
Departure Time 1100
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code S80
Destination City GRANGEVILLE
Destination State ID
Destination Country
Specific Phase of Flight Cruise
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 --