Aircraft Accident/Incident Report

Lewistown, Montana 59457
Friday, December 26, 1986 8:25 MST

NTSB Narrative Summary Released at Completion of Accident

ON THE MORNING OF THE DAY OF THE ACCIDENT THE PRIVATE PLT/OWNER AND HIS FRIEND TOOK OFF ON AN ALL DAY COYOTE HUNTING FLT. WHEN THE ACFT FAILED TO RETURN THAT EVENING AN AIR AND GROUND SEARCH WAS BEGUN. THE BURNED WRECKAGE OF THE ACFT WAS FOUND 3 DAYS LATER ABOUT 25 MILES NORTHEAST OF LEWISTOWN ON OPEN LEVEL PASTURE LAND. THERE WERE NO WITNESSES TO THE ACCIDENT. INVESTIGATIO REVEALED NO PREIMPACT MALFUNCTION/FAILURE OF THE AIRCRAFT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/26/1986
Event Day of the Week Friday
Time of Event 825
Event Time Zone Mountain Standard Time
Event City LEWISTOWN
Event State MONTANA
Event Country --
Zipcode of the event site 59457
Event Date Year 1986
Event Date Month 12
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 Weather Observation Facility
Time of the weather observation 754 Mountain Standard Time
Direction of event from weather observation facility (degrees) 40
Weather Observation Facility ID LWT
Elevation of weather observation facility 4167
Distance of event from weather observation facility (units?) 25
Time Zone of the weather observation MST
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 7500
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) -3
Dew Point at event time (in degress fahrenheit) -12
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 2805
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 2323
NTSB Notification Source --
NTSB Notification Date Dec 29 1986 12:00AM
NTSB Notification Time 1000
Fiche Number and/or location -used to find docket information 32977
Date of most recent change to record Dec 13 2000 5:30PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N6712L
NTSB Number DEN87FA037
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 Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-18-150
Aircraft Series Identifier PA-18-150
Aircraft Serial Number 18-7409112
Certified Max Gross Weight 1625
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 Oct 9 1986 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name WAYNE D. CHAPMAN
Aircraft Owner Street Address BOX 1051
Aircraft Owner City LEWISTON
Aircraft Owner State MT
Aircraft Owner Country
Aircraft Owner Zipcode 59457
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 Yes
Departure Point Same as Event No
Departure Airport Code LWT
Departure City LEWISTOWN
Departure State MT
Departure Country
Departure Time 730
Departure Time Zone MST
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 Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
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 --