Aircraft Accident/Incident Report

Glendo, Wyoming 82213
Friday, July 20, 1984 11:00 MDT

NTSB Narrative Summary Released at Completion of Accident

THE ACFT WAS DAMAGED IN A FORCED LANDING IN A WOODED AREA AFTER THE ENGINE FAILED. THE PLT SAID THAT HE WAS CRUISING AT 7500 FT MSL WHEN WITHOUT WARNING THE ENGINE BEGAN MAKING NOISES AND THEN LOST OIL PRESSURE. AFTER THE LANDING THE ENGINEWAS EXAMINED AT THE DUFF ACFT CO. IN DENVER, CO. IT WAS FOUND THAT THE CRANKSHAFT HAD FAILED. DURING LABORATORY FAILURE ANAYSIS THESE CONCLUSIONS WERE DRAWN: FAILURE FROM FATIGUE AT LOW STRESS LEVELS & FATIGUE ORIGINATED ON THE WALLS OF THELURICATION HOLE WHERE COARSE MACHINE MARKS WERE PRESENT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/20/1984
Event Day of the Week Friday
Time of Event 1100
Event Time Zone Mountain Daylight Time
Event City GLENDO
Event State WYOMING
Event Country --
Zipcode of the event site 82213
Event Date Year 1984
Event Date Month 7
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 0
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) 50
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) --
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) --
Density Altitude (feet) 7141
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 3
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1745
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 25624
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 N8168Q
NTSB Number DEN84LA221
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 PIPER
Aircraft Model 28RT-201T
Aircraft Series Identifier 28RT-201T
Aircraft Serial Number 28R-80 31072
Certified Max Gross Weight 2900
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Oct 18 1983 12:00AM
Airframe hours since last inspection 62
Airframe Hours 823
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name JEFFREY FISHER
Aircraft Owner Street Address BOX 626
Aircraft Owner City LELAND
Aircraft Owner State MI
Aircraft Owner Country
Aircraft Owner Zipcode 49654
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 Yes - certificate holder
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 JAC
Departure City JACKSON
Departure State WY
Departure Country
Departure Time 800
Departure Time Zone MDT
Destination Same as Local Flt --
Destination Airport Code FSD
Destination City SIOUX FALLS
Destination State SD
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 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --