Zephyrhills Municipal Airport
Aircraft Accident/Incident Report

Zephyrhills, Florida 33542
Wednesday, February 16, 2005 10:00 EST

NTSB Narrative Summary Released at Completion of Accident

The flight instructor stated that he and his student were taking off from runway 22, and the experimental airplane had climbed to about 50 feet altitude when the flight controls stuck in the left position and the airplane descended in a spiral, impacting the ground. He stated that the engine was developing full power the whole time during the flight and that he did not stall the aircraft. An FAA inspector who responded to the accident site, said that witnesses told him they saw the airplane descend in a left spiral and that after impacting the ground the engine continued operating and had to be secured in order to remove the occupants. According to the inspector, the aircraft was destroyed and the extent of the damage precluded a determination of any flight control related anomalies.

NTSB Probable Cause Narrative

The instructors in-flight loss of control due to the flight controls being jammed for undetermined reasons.

Event Information

Type of Event Accident
Event Date 2/16/2005
Event Day of the Week Wednesday
Time of Event 1000
Event Time Zone Eastern Standard Time
Event City Zephyrhills
Event State FLORIDA
Event Country --
Zipcode of the event site 33542
Event Date Year 2005
Event Date Month 2
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 281341N
Event Location Longitude 0820921W
Event Location Airport Zephyrhills Municipal
Event Location Nearest Airport ID ZPH
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 90
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 953 Eastern Standard Time
Direction of event from weather observation facility (degrees) 232
Weather Observation Facility ID TPA
Elevation of weather observation facility 26
Distance of event from weather observation facility (units?) 25
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height 9500
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 8
Air Temperature at event time (in degrees celsius) 19
Dew Point at event time (in degress fahrenheit) 16
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) 5
Wind Velocity Indicator --
Wind Gust Indicator Unknown
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.11
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 2
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 21641
NTSB Notification Source FAA ATL Comm. Center
NTSB Notification Date Feb 16 2005 12:00AM
NTSB Notification Time 1130
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Jun 27 2007 1:15PM
User who most recently changed record NTSB\lema
Basic weather conditions Visual Meteorological Cond
FAA District Office Tampa, Florida

Aircraft Involved

Aircraft #1

Aircraft Registration Number N942WW
NTSB Number MIA05LA058
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 Interplane SRO
Aircraft Model Skyboy
Aircraft Series Identifier --
Aircraft Serial Number 39-2001
Certified Max Gross Weight 1000
Aircraft Category Airplane
Aircraft Registration Class --
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name Dale Hellemn
Aircraft Owner Street Address 13220-160 Houston Avenue
Aircraft Owner City Hudson
Aircraft Owner State FL
Aircraft Owner Country USA
Aircraft Owner Zipcode 34667
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) Instructional
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code ZPH
Departure City Zephyr Hills
Departure State FL
Departure Country USA
Departure Time 1000
Departure Time Zone EST
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code ZPH
Destination City --
Destination State --
Destination Country --
Specific Phase of Flight Takeoff
Report sent to ICAO? No
Evacuation occurred Yes
Date of most recent change to record May 18 2007 10:25AM
User who most recently changed record KENJ
Since inspection or accident --
Event Location Runway Number and Location 22
Runway Length 5001
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --