Paintsville-Prestonsburg-Combs Airport
Aircraft Accident/Incident Report

Paintsville, Kentucky 41240
Monday, June 6, 2005 18:00 EDT

NTSB Narrative Summary Released at Completion of Accident

The purpose of the flight was to perform a cyclic-rigging check, and a rotor-rpm check during autorotation. The pilot and a friend performed a preflight inspection, and neither noted any mechanical deficiencies. The pilot started the helicopter, and performed the run-up checks, to include the magneto check and the rotor-engagement check with the helicopter "light on the skids." The pilot then completed the before takeoff checks, and initiated a takeoff to a hover. As the pilot applied collective pitch and power for takeoff, he felt a few bumps. He was aware of the phenomena of ground resonance, and continued applying collective pitch and power, but the helicopter would not take off. Within seconds, he had no control of the helicopter, as it disintegrated around him. The friend's version of the events leading up to the accident was consistent with the pilot/owner's. According to the witness, "It happened so fast! It started to shake, a blade hit the tailboom, and it shook to pieces." He added that the helicopter never left the ground, and that it rocked side-to-side two or three times before it came apart.

NTSB Probable Cause Narrative

the pilot's inadvertent encounter with ground resonance which resulted in destruction of the helicopter.

Event Information

Type of Event Accident
Event Date 6/6/2005
Event Day of the Week Monday
Time of Event 1800
Event Time Zone Eastern Daylight Time
Event City Paintsville
Event State KENTUCKY
Event Country --
Zipcode of the event site 41240
Event Date Year 2005
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 374427N
Event Location Longitude 0824626W
Event Location Airport PAINTSVILLE-PRESTONSBURG-COMBS
Event Location Nearest Airport ID 3I6
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 624
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1753 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 251
Weather Observation Facility ID JKL
Elevation of weather observation facility 1381
Distance of event from weather observation facility (units?) 27
Time Zone of the weather observation EDT
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) 32
Dew Point at event time (in degress fahrenheit) 17
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) --
Wind Velocity Indicator Calm
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 Julian Carroll Airport Jackson, Kentucky, USA
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 --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 19525
NTSB Notification Source FAA Louisville FSDO
NTSB Notification Date Jun 7 2005 12:00AM
NTSB Notification Time --
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Apr 25 2006 11:00AM
User who most recently changed record NTSB\JOHB
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2KX
NTSB Number IAD05LA075
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Hughes
Aircraft Model TH-55
Aircraft Series Identifier --
Aircraft Serial Number 66-18349
Certified Max Gross Weight 1670
Aircraft Category Helicopter
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 Annual
Date of Last Inspection Apr 1 2005 12:00AM
Airframe hours since last inspection 26
Airframe Hours 4848
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name Stanley D. Haddix
Aircraft Owner Street Address --
Aircraft Owner City Hagerhill
Aircraft Owner State KY
Aircraft Owner Country USA
Aircraft Owner Zipcode 41222
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) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code 3I6
Departure City Paintsville
Departure State KY
Departure Country USA
Departure Time 1800
Departure Time Zone EDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code 3I6
Destination City --
Destination State --
Destination Country --
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Feb 4 2006 2:24PM
User who most recently changed record MUZD
Since inspection or accident Time of Accident
Event Location Runway Number and Location NA
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --