Josephine Cnty Airport
Aircraft Accident/Incident Report

Grants Pass, Oregon 97526
Sunday, August 7, 1983 7:40 PDT

NTSB Narrative Summary Released at Completion of Accident

THE ACFT RAN OFF THE DEPARTURE END OF THE RWY DURING A FORCED LANDING FOLLOWING ENGINE FAILURE DURING A TOUCH AND GO LANDING. THE NOSEWHEEL STRUCK A MOUND OF DIRT AND THE ACFT NOSED OVER. THE ACFT HAD REACHED 40 FT AGL AND 70 MPH WHEN THE ENGINE LOST POWER FIRST BY RUNNING ROUGH AND THEN FAILING COMPLETELY. ENGINE TEARDOWN REVEALED THAT THE #1 CYLINDER EXHAUST VALVE STEM BROKE. A WORN VALVE STEM KEEPER SLEEVE ALLOWED THE VALVE AND STEM TO SLIDE INTO THE CYLINDER DURING AHIGH POWER APPLICATION. THE PISTON DISINTEGRATED WHEN THE VALVE WAS SWALLOWED. THE CFI TOOK OVER AND LANDED THE ACFT BUTWAS UNABLE TO STOP ON THE REMAINING RWY.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/7/1983
Event Day of the Week Sunday
Time of Event 740
Event Time Zone Pacific Daylight Time
Event City GRANTS PASS
Event State OREGON
Event Country --
Zipcode of the event site 97526
Event Date Year 1983
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport JOSEPHINE CNTY
Event Location Nearest Airport ID 3S8
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 1122
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 753 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 90
Weather Observation Facility ID MFR
Elevation of weather observation facility 1331
Distance of event from weather observation facility (units?) 27
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 20000
Lowest Non-Ceiling Height 11000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 19
Dew Point at event time (in degress fahrenheit) 13
Wind Direction (degrees magnetic) 40
Variable Wind Indicator Unknown
Wind Speed (knots) 4
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 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) 1600
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 21935
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 N60754
NTSB Number SEA83LA169
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 150J
Aircraft Series Identifier 150J
Aircraft Serial Number 15070549
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 15 1982 12:00AM
Airframe hours since last inspection 59
Airframe Hours 5445
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name JEREMY D. SCOTT
Aircraft Owner Street Address 1203 NW WASHINGTON BOULEVARD
Aircraft Owner City GRANTS PASS
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97526
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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 710
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 Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:31AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 30
Runway Length 4000
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --