Aircraft Accident/Incident Report

Wenatchee, Washington 98801
Friday, August 10, 1990 16:23 PDT

NTSB Narrative Summary Released at Completion of Accident

SHORTLY AFTER TAKEOFF, THE ENGINE LOST PARTIAL POWER AND THE PILOT NOTED THAT OIL PRESSURE HAD DROPPED TO O. THE PILOT TURNED AROUND TO RETURN TO THE AIRPORT; HOWEVER, EN ROUTE, THE ENGINE LOST POWER AND A FORCED LANDING WAS MADE IN A WHEAT FIELD. DURING THE LANDING ROLL, THE AIRPLANE NOSED OVER. DURING THE POST CRASH INSPECTION, IT WAS FOUND THAT THE OIL GASKET WAS CREASED OR FOLDED OVER APPROXIMATELY HALF WAY AROUND THE OUTER EDGE AND A SMALL NOTCH OF THE RUBBER WAS MISSING FROM THE OUTER EDGE. THE FILTER AND OIL HAD JUST BEEN CHANGED ON THE AIRPLANE AND THIS WAS THE FIRST FLIGHT AFTER THAT MAINTENANCE.

NTSB Probable Cause Narrative

IMPROPER INSTALLATION OF THE OIL FILTER GASKET BY MAINTENANCE PERSONNEL RESULTING IN LOSS OF ENGINE OIL AND SEIZURE OF THE ENGINE.

Event Information

Type of Event Accident
Event Date 8/10/1990
Event Day of the Week Friday
Time of Event 1623
Event Time Zone Pacific Daylight Time
Event City WENATCHEE
Event State WASHINGTON
Event Country --
Zipcode of the event site 98801
Event Date Year 1990
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 --
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 0
Lowest Non-Ceiling Height 2000
Sky/Lowest/Cloud Conditions Scattered
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) 36
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 260
Variable Wind Indicator Unknown
Wind Speed (knots) 3
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
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 1
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1186
NTSB Notification Source --
NTSB Notification Date Aug 10 1990 12:00AM
NTSB Notification Time 1700
Fiche Number and/or location -used to find docket information 42511
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2473X
NTSB Number SEA90LA159
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR/IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 182H
Aircraft Series Identifier 182H
Aircraft Serial Number 18256373
Certified Max Gross Weight 2800
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 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jun 7 1990 12:00AM
Airframe hours since last inspection 28
Airframe Hours 3337
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name UNKNOWN
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name PORTER, DAVID R.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 1354 PAT SUE PL
Operator City WENATCHEE
Operator State WA
Operator Country
Operator Zip code 98801
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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1605
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code TIW
Destination City TACOMA
Destination State WA
Destination Country
Specific Phase of Flight Landing
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 --