Aircraft Accident/Incident Report

Rock Springs, Wyoming 82901
Thursday, January 24, 2008 16:20 MST

NTSB Narrative Summary Released at Completion of Accident

The pilot was circling when the airplane's engine began to run rough, then lost all power. The pilot performed a forced landing to a snow covered ravine, resulting in substantial damage. The reason for the power loss was not determined. The pilot did not report any other anomalies with the airplane.

NTSB Probable Cause Narrative

The loss of engine power for undetermined reasons. Contributing to the accident was the snow covered ravine.

Event Information

Type of Event Accident
Event Date 1/24/2008
Event Day of the Week Thursday
Time of Event 1620
Event Time Zone Mountain Standard Time
Event City Rock Springs
Event State WYOMING
Event Country --
Zipcode of the event site 82901
Event Date Year 2008
Event Date Month 1
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 415649N
Event Location Longitude 1085806W
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1654 Mountain Standard Time
Direction of event from weather observation facility (degrees) 360
Weather Observation Facility ID RKS
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) 30
Time Zone of the weather observation MST
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) -12
Dew Point at event time (in degress fahrenheit) -17
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 29.81
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 23309
NTSB Notification Source FAA-Northwest Mountain Region
NTSB Notification Date Jan 25 2008 12:00AM
NTSB Notification Time --
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Mar 31 2008 11:52AM
User who most recently changed record NTSB\johb
Basic weather conditions Visual Meteorological Cond
FAA District Office Casper FAA Flight Standards Field Office

Aircraft Involved

Aircraft #1

Aircraft Registration Number N142TT
NTSB Number DEN08LA054
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name MacAdams
Aircraft Model Titan Tornado 912
Aircraft Series Identifier --
Aircraft Serial Number 99912COHK0355
Certified Max Gross Weight 1200
Aircraft Category Airplane
Aircraft Registration Class --
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 Conditional
Date of Last Inspection Aug 1 2007 12:00AM
Airframe hours since last inspection --
Airframe Hours 38
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name Robert E. MacAdams
Aircraft Owner Street Address 435 Waggener St
Aircraft Owner City Green River
Aircraft Owner State WY
Aircraft Owner Country USA
Aircraft Owner Zipcode 82935
Operator is an individual? No
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? --
Certified for Part 133 or 137 Operation --
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 RKS
Departure City Rock Springs
Departure State WY
Departure Country USA
Departure Time 1510
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 Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Mar 19 2008 9:17AM
User who most recently changed record BOWL
Since inspection or accident Last Inspection
Event Location Runway Number and Location NA
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --