Cobb County Airport
Aircraft Accident/Incident Report

Atlanta, Georgia 30144
Friday, July 31, 2009 11:30 EST

NTSB Narrative Summary Released at Completion of Accident

After lifting off, the pilot stated that he encountered a strong gust of wind from the west while making a hovering turn to the east. The main rotor blades contacted the mid-field windsock pole, and the helicopter collided with the ground. The pilot suffered minor injuries, and the passenger was unharmed. The helicopter received substantial damage. The pilot stated that he did not experience any mechanical problems with the helicopter before the accident.

NTSB Probable Cause Narrative

The pilot's failure to maintain control of the helicopter while hovering in gusting wind conditions.

Event Information

Type of Event Accident
Event Date 7/31/2009
Event Day of the Week Friday
Time of Event 1130
Event Time Zone Eastern Standard Time
Event City Atlanta
Event State GEORGIA
Event Country --
Zipcode of the event site 30144
Event Date Year 2009
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 340028N
Event Location Longitude 0843529W
Event Location Airport Cobb County Airport
Event Location Nearest Airport ID RYY
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 1040
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1530 Coordinated Universal Time? Same as GMT
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID KRYY
Elevation of weather observation facility 1040
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation UTC
Lighting Conditions Day
Lowest Ceiling Height 2500
Lowest Non-Ceiling Height 2000
Sky/Lowest/Cloud Conditions Scattered
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) 26
Dew Point at event time (in degress fahrenheit) 21
Wind Direction (degrees magnetic) 280
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 9
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 14
Altimeter Setting at event time (in. Hg) 30.09
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 2
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 26198
NTSB Notification Source SROC
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Dec 23 2009 1:03PM
User who most recently changed record johb
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N267BC
NTSB Number ERA09CA432
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 BINGHAM CHUCK
Aircraft Model ROTORWAY 1
Aircraft Series Identifier --
Aircraft Serial Number 6523
Certified Max Gross Weight 1500
Aircraft Category Helicopter
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 --
Date of Last Inspection Jun 2 2009 12:00AM
Airframe hours since last inspection --
Airframe Hours 81
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name BELL RALPH H
Aircraft Owner Street Address --
Aircraft Owner City MARIETTA
Aircraft Owner State GA
Aircraft Owner Country USA
Aircraft Owner Zipcode 30064-1200
Operator is an individual? Yes
Operator Name BELL RALPH H
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City MARIETTA
Operator State GA
Operator Country USA
Operator Zip code 30064-1200
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? No
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 --
Departure Point Same as Event Yes
Departure Airport Code RYY
Departure City Atlanta
Departure State GA
Departure Country USA
Departure Time 1130
Departure Time Zone EDT
Destination Same as Local Flt crash at destination city
Destination Airport Code RYY
Destination City Atlanta
Destination State GA
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Oct 22 2009 4:43PM
User who most recently changed record muzd
Since inspection or accident Last Inspection
Event Location Runway Number and Location 27
Runway Length 6305
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --