Aircraft Accident/Incident Report

Pocatello, Idaho 83201
Saturday, August 10, 1985 21:28 MDT

NTSB Narrative Summary Released at Completion of Accident

UPON ARRIVAL IN THE VICINITY OF HIS DESTINATION THE PLT COMMENCED A REDUCED PWR DESCENT WHILE IN CONDITIONS WHICH WERE CONDUCIVE TO CARBURETOR ICEING. DURING THE DESCENT THE PLT APPLIED CARBURETOR HEAT WITH A RESULTANT DROP IN RPM AND, APPREHENSIVE OF THIS CONDITION, RETURNED THE CARBURETOR HEAT TO 'OFF'. A TOTAL PWR LOSS FOLLOWED SHORTLY THEREAFTER. THE PLT THEN MANEUVERED THE ACFT TO A FORCED LANDING IN AN AGRICULTURAL FLD UNDER CONDITIONS OF DARKNESS. DURING THE APCH THE ACFT STRUCK A FENCE POST AND CAME TO REST INVERTED. THE PLT SUBSEQUENTLY REPORTED THAT HE BELIEVED THAT CARBURETOR HEAT WAS ONLY NECESSARY DURING COLD WEATHER OPERATIONS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/10/1985
Event Day of the Week Saturday
Time of Event 2128
Event Time Zone Mountain Daylight Time
Event City POCATELLO
Event State IDAHO
Event Country --
Zipcode of the event site 83201
Event Date Year 1985
Event Date Month 8
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 2152 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 215
Weather Observation Facility ID PIH
Elevation of weather observation facility 4449
Distance of event from weather observation facility (units?) 3
Time Zone of the weather observation MDT
Lighting Conditions Night/Dark
Lowest Ceiling Height 8000
Lowest Non-Ceiling Height 8000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
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) 17
Dew Point at event time (in degress fahrenheit) 2
Wind Direction (degrees magnetic) 220
Variable Wind Indicator Unknown
Wind Speed (knots) 18
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) 918
NTSB Notification Source --
NTSB Notification Date Aug 10 1985 12:00AM
NTSB Notification Time 2130
Fiche Number and/or location -used to find docket information 28145
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 N8339G
NTSB Number SEA85LA194
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 150F
Aircraft Series Identifier 150F
Aircraft Serial Number 15062439
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 Mar 24 1984 12:00AM
Airframe hours since last inspection 11
Airframe Hours 34094
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name RECYCLE CONTRACTORS
Aircraft Owner Street Address BOX 4026
Aircraft Owner City POCATELLO
Aircraft Owner State ID
Aircraft Owner Country
Aircraft Owner Zipcode 83201
Operator is an individual? --
Operator Name RICHARD KIRKHAM
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 565 S. 19TH AVE
Operator City POCATELLO
Operator State ID
Operator Country
Operator Zip code 83201
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 BTF
Departure City BOUNTIFUL
Departure State UT
Departure Country
Departure Time 2002
Departure Time Zone MDT
Destination Same as Local Flt crash at destination city
Destination Airport Code PIH
Destination City POCATELLO
Destination State ID
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 20 2002 12:42PM
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 --