Aircraft Accident/Incident Report

Marion, Kentucky 42064
Monday, July 5, 2010 17:45 CDT

NTSB Narrative Summary Released at Completion of Accident

A witness observed the helicopter depart and begin aerial spray operations in a corn field. He turned away and heard a loud “pop,” then turned around to see the helicopter collide with a power line guy wire and the ground before bursting in flames. A postaccident examination of the airframe, flight controls, engine assembly, and accessories revealed no anomalies.

NTSB Probable Cause Narrative

The pilot's failure to maintain clearance from power lines during an aerial application flight.

Event Information

Type of Event Accident
Event Date 7/5/2010
Event Day of the Week Monday
Time of Event 1745
Event Time Zone Central Daylight Time
Event City Marion
Event State KENTUCKY
Event Country --
Zipcode of the event site 42064
Event Date Year 2010
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 371107N
Event Location Longitude 0880810W
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 1753 Central Daylight Time
Direction of event from weather observation facility (degrees) 62
Weather Observation Facility ID PAH
Elevation of weather observation facility 410
Distance of event from weather observation facility (units?) 35
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) 30
Dew Point at event time (in degress fahrenheit) 18
Wind Direction (degrees magnetic) 170
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 6
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 29.94
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) 29075
NTSB Notification Source FAA Southern ROC
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Oct 24 2011 10:10AM
User who most recently changed record kenj
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N857PM
NTSB Number ERA10LA348
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire Ground
Aircraft Explosion Ground
Aircraft Manufacturer's Full Name ROBINSON HELICOPTER
Aircraft Model R44
Aircraft Series Identifier --
Aircraft Serial Number 1034
Certified Max Gross Weight 2500
Aircraft Category Helicopter
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats 1
Cabin Crew Seats --
Passenger Seats 3
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection May 14 2010 12:00AM
Airframe hours since last inspection --
Airframe Hours 1404
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name FOREST TECH LLC
Aircraft Owner Street Address 621 ROSA DR
Aircraft Owner City LAWRENCEVILLE
Aircraft Owner State GA
Aircraft Owner Country USA
Aircraft Owner Zipcode 30044-6607
Operator is an individual? No
Operator Name FOREST TECH LLC
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 621 ROSA DR
Operator City LAWRENCEVILLE
Operator State GA
Operator Country USA
Operator Zip code 30044-6607
Operator Code 4FOG
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) Aerial Application
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code --
Departure City Marion
Departure State KY
Departure Country USA
Departure Time 1743
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code --
Destination City Marion
Destination State KY
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Nov 21 2011 12:54PM
User who most recently changed record broda
Since inspection or accident Last Inspection
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --