Aircraft Accident/Incident Report

Porterville, California 93257
Sunday, June 5, 1983 13:30 PDT

NTSB Narrative Summary Released at Completion of Accident

THE ACFT NOSED OVER DURING AN OFF ARPT FORCED LANDING AFTER POWER LOSS. THE PILOT STATED THAT THEY WERE IN FLT CRUISE AT3500 FT MSL WHEN THE ENGINE LOST POWER. FULL CARBURETOR HEAT WAS APPLIED AND POWER INCREASED AFTER 5 SECONDS FROM 700 RPM TO 2500 RPM. THE PILOT THEN SET THE CARBURETOR HEAT CONTROL AT 20 PERCENT OF ITS LENGTH PULLED OUT. THE OAT WAS 62 DEGREES F. AFTER ABOUT 20 MINUTES THE ENGINE LOST ALL POWER. THE CARBURETOR HEAT WAS PLACED FULL ON BUT POWER WAS NOT RESTORED. A FORCED LANDING WAS MADE IN A CORN FIELD. AFTER THE ACCIDENT THE ENGINE WAS EXAMINED AND NO DISCREPANCIES OR MALFUNCTIONS NOTED. WHEN THE POWER LOSSES OCCURRED THE ACFT WAS OPERATING IN CONDITIONS WHICH ARE KNOWN TO BE FAVORABLE TO THE FORMATION OF INDUCTION SYSTEM ICING.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/5/1983
Event Day of the Week Sunday
Time of Event 1330
Event Time Zone Pacific Daylight Time
Event City PORTERVILLE
Event State CALIFORNIA
Event Country --
Zipcode of the event site 93257
Event Date Year 1983
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 4
Degrees magnetic from airport 315
Airport Elevation 443
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 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) 15
Air Temperature at event time (in degrees celsius) 31
Dew Point at event time (in degress fahrenheit) 14
Wind Direction (degrees magnetic) 280
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
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 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 2
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1373
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 21667
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N828OS
NTSB Number LAX83LA285
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 150F
Aircraft Series Identifier 150F
Aircraft Serial Number 15061880
Certified Max Gross Weight 1600
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 1 1982 12:00AM
Airframe hours since last inspection 35
Airframe Hours 6660
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name KEVIN COPPIN
Aircraft Owner Street Address 8766 VIENTOS DRIVE
Aircraft Owner City LEONA VALLEY
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 93550
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
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 308
Departure City COALINGA
Departure State CA
Departure Country
Departure Time 1245
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code PTV
Destination City PORTERVILLE
Destination State CA
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
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 --