Aircraft Accident/Incident Report

Henning, Minnesota 56551
Thursday, August 16, 2007 20:23 CDT

NTSB Narrative Summary Released at Completion of Accident

The experimental amateur-built airplane owned and piloted by a private pilot was reported maneuvering at a low altitude over a house when it spiraled in a nose down attitude following an increase in engine noise. No anomalies were noted that would have precluded normal airplane operation.

NTSB Probable Cause Narrative

The inadvertent stall and low airspeed while maneuvering. A contributing factor was the low altitude of the maneuver.

Event Information

Type of Event Accident
Event Date 8/16/2007
Event Day of the Week Thursday
Time of Event 2023
Event Time Zone Central Daylight Time
Event City Henning
Event State MINNESOTA
Event Country --
Zipcode of the event site 56551
Event Date Year 2007
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 2015 Central Daylight Time
Direction of event from weather observation facility (degrees) 45
Weather Observation Facility ID ADC
Elevation of weather observation facility 1369
Distance of event from weather observation facility (units?) 18
Time Zone of the weather observation CDT
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) 17
Dew Point at event time (in degress fahrenheit) 6
Wind Direction (degrees magnetic) 310
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 3
Wind Velocity Indicator --
Wind Gust Indicator Unknown
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.07
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 23193
NTSB Notification Source FAA
NTSB Notification Date Aug 17 2007 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 Minneapolis FSDO

Aircraft Involved

Aircraft #1

Aircraft Registration Number N39YP
NTSB Number CHI07LA272
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 Clifford
Aircraft Model Titan Tornado II
Aircraft Series Identifier --
Aircraft Serial Number D00912SOHK0365
Certified Max Gross Weight 1000
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 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Conditional
Date of Last Inspection May 1 2007 12:00AM
Airframe hours since last inspection 17.6
Airframe Hours 778
ELT Installed --
ELT Activated --
ELT Aided Location of Event Site --
ELT Type --
Aircraft Owner Name Pilot
Aircraft Owner Street Address --
Aircraft Owner City --
Aircraft Owner State --
Aircraft Owner Country --
Aircraft Owner Zipcode --
Operator is an individual? No
Operator Name --
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
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 PVT
Departure City Ottertail
Departure State MN
Departure Country USA
Departure Time 1930
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code PVT
Destination City Ottertail
Destination State MN
Destination Country USA
Specific Phase of Flight Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Mar 2 2008 11:52PM
User who most recently changed record BOWL
Since inspection or accident Time of Accident
Event Location Runway Number and Location --
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --