Aircraft Accident/Incident Report

Near Challis, Idaho 83226
Monday, October 31, 1983 9:57 MST

NTSB Narrative Summary Released at Completion of Accident

A WITNESS AT THE CHALLIS ARPT OBSERVED THE ACFT TAKEOFF, THEN TURN & DEPART TOWARD THE WEST. IT WAS FOUND THE NEXT DAY NEAR CHALLIS CREEK ABOUT 16 MI WEST OF CHALLIS. IMPACT OCCURRED IN A RELATIVELY FLAT AREA IN A NARROW WOODED VALLEY, AT AN ELEVATION OF ABOUT 7,400 FT. THERE WAS EVIDENCE THAT THE ACFT HAD TURNED & WAS HEADED TOWARD THE CREEK WHEN IT CRASHED. FOREST SERVICE PERSONNEL REPORTED THAT THE HIGHER ELEVATIONS & VALLEY IN THAT AREA WERE COVERED WITH FOG.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 10/31/1983
Event Day of the Week Monday
Time of Event 957
Event Time Zone Mountain Standard Time
Event City NEAR CHALLIS
Event State IDAHO
Event Country --
Zipcode of the event site 83226
Event Date Year 1983
Event Date Month 10
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 14
Degrees magnetic from airport 288
Airport Elevation 5071
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 730 Mountain Standard Time
Direction of event from weather observation facility (degrees) 198
Weather Observation Facility ID U15
Elevation of weather observation facility 5071
Distance of event from weather observation facility (units?) 12
Time Zone of the weather observation MST
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) 0
Dew Point at event time (in degress fahrenheit) 1
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Variable
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
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) 1588
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 21923
Date of most recent change to record Feb 26 2001 8:35AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5631G
NTSB Number SEA84FA015
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 150K
Aircraft Series Identifier 150K
Aircraft Serial Number 150-71131
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name SHERMAN J. HANSEN
Aircraft Owner Street Address 1320 OWENS STREET
Aircraft Owner City BOISE
Aircraft Owner State ID
Aircraft Owner Country
Aircraft Owner Zipcode 83704
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 U15
Departure City CHALLIS
Departure State ID
Departure Country
Departure Time 957
Departure Time Zone MST
Destination Same as Local Flt --
Destination Airport Code BOI
Destination City BOISE
Destination State ID
Destination Country
Specific Phase of Flight Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Feb 26 2001 8:08AM
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 --