Private Airstrip Airport
Aircraft Accident/Incident Report

Hulett, Wyoming 82729
Thursday, September 9, 1982 16:45 MDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT REPORTED THAT DURING FLIGHT THE ENGINE BEGAN TO RUN ROUGH. HE DIVERTED TOWARD A NEARBY AIRSTRIP, BUT WHILE EN ROUTE, THERE WAS A "BANG" AND SMOKE BEGAN ENTERING THE CABIN. AT THAT POINT, HE SHUT OFF THE FUEL, MAGNETOS AND MASTER SWITCH, THEN LOST ABOUT 1000 TO 1200 FT WHILE CLEARING THE SMOKE. HE WAS COMMITTED TO LAND DOWNHILL ON THE STRIP. DURING TOUCHDOWN ON THE ROUGH STRIP AT ABOUT 90 MPH, THE NOSE GEAR FAILED. SUBSEQUENTLY, THE AIRCRAFT NOSED OVER. AN INVESTIGATION REVEALED THAT A CONNECTING ROD HAD FAILED. THE ENGINE HAD EXCEEDED THE MANUFACTURER'S RECOMMENDED TIME-BETWEEN-OVERHAUL (TBO) BY ABOUT 215 HRS. REPORTEDLY, THE ENGINE BORE EVIDENCE OF A HIGH AMOUNT OF WEAR ON MOST MOVING PARTS. THE TEMPERTURE AND ELEVATION WERE ABOUT 75 DEGREES AND 3960 FT.,RESPECTIVELY.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 9/9/1982
Event Day of the Week Thursday
Time of Event 1645
Event Time Zone Mountain Daylight Time
Event City HULETT
Event State WYOMING
Event Country --
Zipcode of the event site 82729
Event Date Year 1982
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport PRIVATE AIRSTRIP
Event Location Nearest Airport ID IPY
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 0
Weather Briefing Completeness Full
Investigator's weather source Unknown
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 Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 55
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
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) 1980
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9410B
NTSB Number DEN82DA199
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 175
Aircraft Series Identifier 175
Aircraft Serial Number 55210
Certified Max Gross Weight 2350
Aircraft Category Airplane
Aircraft Registration Class Unknown
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 Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 89
Airframe Hours 2645
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name BERNARD DEAN BOS
Aircraft Owner Street Address 3335 TIZER ROAD
Aircraft Owner City HELENA
Aircraft Owner State MT
Aircraft Owner Country
Aircraft Owner Zipcode 59601
Operator is an individual? --
Operator Name BERNARD DEAN BOS
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 3335 TIZER ROAD
Operator City HELENA
Operator State MT
Operator Country
Operator Zip code 59601
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 BIL
Departure City BILLINGS
Departure State MT
Departure Country
Departure Time 1500
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code PWK
Destination City CHICAGO
Destination State IL
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2002 4:50PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 3000
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --