East Troy Muni Airport
Aircraft Accident/Incident Report

East Troy, Wisconsin 53120
Wednesday, September 26, 2001 11:00 CDT

NTSB Narrative Summary Released at Completion of Accident

The helicopter sustained substantial damage on impact with terrain when the helicopter rolled over during a takeoff portion of the instructional flight. The instructor was uninjured and the student pilot sustained minor injuries. The flight instructor stated, "The student and I were practicing vertical takeoffs and landings. We use a two stage TO [take off] and lift off. The student was light on the skids and was attempting to correct for left drift and applied right cyclic with excessive collective. In a matter of 2 sec[onds] helicopter was on its right side. We were practicing at the airport on the airport property. The instructor stated that there was no mechanical malfunction or failure.

NTSB Probable Cause Narrative

The inadvertent dynamic rollover the student pilot encountered following his excessive control inputs during the takeoff portion of the instructional flight and the instructor not performing the remedial action necessary to reduce the excessive control inputs by the student.

Event Information

Type of Event Accident
Event Date 9/26/2001
Event Day of the Week Wednesday
Time of Event 1100
Event Time Zone Central Daylight Time
Event City East Troy
Event State WISCONSIN
Event Country --
Zipcode of the event site 53120
Event Date Year 2001
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport EAST TROY MUNI
Event Location Nearest Airport ID 57C
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 860
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1115 Central Daylight Time
Direction of event from weather observation facility (degrees) 155
Weather Observation Facility ID BUU
Elevation of weather observation facility 779
Distance of event from weather observation facility (units?) 7
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 12000
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 16
Dew Point at event time (in degress fahrenheit) 7
Wind Direction (degrees magnetic) 300
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 11
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 18
Altimeter Setting at event time (in. Hg) 29.97
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor 1
Injury Total None 1
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 12490
NTSB Notification Source FAA
NTSB Notification Date Sep 26 2001 12:00AM
NTSB Notification Time 1600
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Dec 6 2002 3:26PM
User who most recently changed record NTSB\MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office Milwaukee, WI, FSDO

Aircraft Involved

Aircraft #1

Aircraft Registration Number N214WW
NTSB Number CHI01LA324
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 Robinson
Aircraft Model R22 Beta
Aircraft Series Identifier --
Aircraft Serial Number 2393
Certified Max Gross Weight 1370
Aircraft Category Helicopter
Aircraft Registration Class U.S. Registered/U.S. Soil
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 100 Hour
Date of Last Inspection Jun 29 2001 12:00AM
Airframe hours since last inspection 77
Airframe Hours 2941.4
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name Lloyd Aviation Inc.
Aircraft Owner Street Address 2880 South 94th Street
Aircraft Owner City West Allis
Aircraft Owner State WI
Aircraft Owner Country USA
Aircraft Owner Zipcode 53227
Operator is an individual? No
Operator Name WW Helicopters LLC
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 2085 Highway L
Operator City East Troy
Operator State WI
Operator Country USA
Operator Zip code 53120
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 Yes
Departure Point Same as Event Yes
Departure Airport Code 57C
Departure City East Troy
Departure State WI
Departure Country USA
Departure Time 1050
Departure Time Zone CDT
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 Takeoff
Report sent to ICAO? No
Evacuation occurred No
Date of most recent change to record Oct 28 2002 7:59AM
User who most recently changed record SULP
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 --