Lewiston Muni Airport
Aircraft Accident/Incident Report

Lewistown, Montana 59457
Sunday, July 2, 1989 11:02 MDT

NTSB Narrative Summary Released at Completion of Accident

THE OWNER OF THE HOME BUILT ACFT HAD PURCHASED IT FROM THE BUILDER. HE POSSESSED NEITHER AN FAA MEDICAL, NOR A PLT CERTIFICATE, & HAD NO PREVIOUS FLT TIME IN THIS MAKE & MODEL OF ACFT. HE TOLD A WITNESS THAT HE INTENDED TO TAXI IT (PRESUMABLY FOR FAMILIARIZATION). SUBSEQUENTLY, THE ACFT BECAME AIRBORNE & REMAINED WITHIN ABOUT 1/2 MI OF THE DEP END OF RWY 30. WITNESSES OBSERVED IT MANEUVERING ERRATICALLY AFTER TAKEOFF. ONE WITNESS BELIEVED THE UNQUALIFIED PLT CROSS- CONTROLLED THE ACFT WITH LEFT RUDDER & RGT AILERON; THE WITNESS SAID THE ACFT NEARLY HIT A HANGAR. SUBSEQUENTLY, AFTER AN APPARENT PWR REDUCTION, THE ACFT ENTERED A STALL/SPIN & CRASHED IN A STEEP NOSE DOWN ATTITUDE. A LOCAL CFI RPRTD HE HAD GIVEN THE PLT APRX 4 HRS OF DUAL INSTRUCTION DURING A PREVIOUS 12 TO 24 MONTH PERIOD, BUT THE PLT HAD NOT SHOWN INTEREST IN FOLLOWING A REGULAR/STRUCTURED PROGRAM OF INSTRUCTION. DURING TESTS, CANNABINOIDS WERE DETECTED IN THE PLT'S URINE, BUT NONE WAS FOUND IN HIS BLOOD.

NTSB Probable Cause Narrative

THE UNQUALIFIED PILOT ALLOWED THE AIRCRAFT TO BECOME AIRBORNE WHILE TAXIING AT HIGH SPEED, HE FAILED TO MAINTAIN CONTROL OF THE AIRCRAFT, AND HE INADVERTENTLY ALLOWED IT TO ENTER A STALL/SPIN AND CRASHED. FACTORS RELATED TO THE ACCIDENT WERE: HIS FAILURE TO FOLLOW PROCEDURES/DIRECTIVES, AND HIS LACK OF QUALIFICATION AS A PILOT

Event Information

Type of Event Accident
Event Date 7/2/1989
Event Day of the Week Sunday
Time of Event 1102
Event Time Zone Mountain Daylight Time
Event City LEWISTOWN
Event State MONTANA
Event Country --
Zipcode of the event site 59457
Event Date Year 1989
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport LEWISTON MUNI
Event Location Nearest Airport ID LWT
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 4167
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 955 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID LWT
Elevation of weather observation facility 4167
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation MDT
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) 22
Dew Point at event time (in degress fahrenheit) 8
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 5900
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 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency FAA
NTSB Docket Number (internal use) 1200
NTSB Notification Source --
NTSB Notification Date Jul 2 1989 12:00AM
NTSB Notification Time 1300
Fiche Number and/or location -used to find docket information 39409
Date of most recent change to record Dec 13 2000 12:51PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N349SM
NTSB Number DEN89DTI02
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 None
Aircraft Explosion None
Aircraft Manufacturer's Full Name MUSICK/TERRATORN
Aircraft Model TIERRA II
Aircraft Series Identifier TIERRA II
Aircraft Serial Number 9
Certified Max Gross Weight 900
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
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 20
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name STEVE MUSICK
Aircraft Owner Street Address
Aircraft Owner City HILGER
Aircraft Owner State MT
Aircraft Owner Country
Aircraft Owner Zipcode 59451
Operator is an individual? --
Operator Name DEAN R. KOMAREK
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address BOX 11
Operator City ROY
Operator State MT
Operator Country
Operator Zip code 59471
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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1052
Departure Time Zone MDT
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 Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 30
Runway Length 4150
Runway Width 70
Sight Seeing flight No
Air Medical Flight No
Medical Flight --