Aircraft Accident/Incident Report

Lucasville, Ohio 45648
Wednesday, April 14, 1993 3:47 EDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT WAS ON APPROACH AT ABOUT 150-200 FT AGL WHEN THE HELICOPTER BEGAN ROTATING CLOCKWISE ABOUT THE NOSE IN A NOSE-DOWN ATTITUDE. IT DESCENDED TO THE GROUND AND LANDED HARD IN A LEVEL ATTITUDE COLLAPSING THE LANDING SKIDS. THE HELICOPTER THEN ROLLED OVER ON ITS RIGHT SIDE, AND THE MAIN ROTOR BLADES STRUCK THE GROUND. ACCORDING TO THE PILOT, HE MADE A WIDE RIGHT TURN TO ALIGN WITH THE LANDING AREA WHEN THE NOSE YAWED RIGHT ABOUT 45 DEG. THE HELICOPTER ROTATED TWICE DESPITE THE PILOT'S ATTEMPT TO CORRECT WITH FULL LEFT PEDAL AND LESS COLLECTIVE. HE STATED THE ENGINE APPEARED TO BE OPERATING AT FULL POWER AFTER THE COLLISION. THE INVESTIGATION DID NOT DISCLOSE EVIDENCE OF MECHANICAL MALFUNCTION. BASED ON ARMY AND BELL HELICOPTER DATA, THE AIRSPEED AND WIND COMBINATION WERE CONDITIONS CONDUCIVE FOR THE OCCURENCE OF THE LOSS OF TAIL ROTOR EFFECTIVENESS.

NTSB Probable Cause Narrative

LOSS OF TAIL ROTOR EFFECTIVENESS WHICH RESULTED IN THE LOSS OF AIRCRAFT CONTROL. A FACTOR WHICH CONTRIBUTED TO THE ACCIDENT WERE UNFAVORABLE WINDS.

Event Information

Type of Event Accident
Event Date 4/14/1993
Event Day of the Week Wednesday
Time of Event 347
Event Time Zone Eastern Daylight Time
Event City LUCASVILLE
Event State OHIO
Event Country --
Zipcode of the event site 45648
Event Date Year 1993
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
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 Unknown
Investigator's weather source Witness
Time of the weather observation 347 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation EDT
Lighting Conditions Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 5
Air Temperature at event time (in degrees celsius) 10
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 90
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
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) 167
NTSB Notification Source --
NTSB Notification Date Apr 14 1993 12:00AM
NTSB Notification Time 500
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 11 2000 1:15PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N72HP
NTSB Number NYC93GA082
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BELL
Aircraft Model 206B
Aircraft Series Identifier 206B
Aircraft Serial Number 1844
Certified Max Gross Weight 3200
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 5
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Sep 4 1992 12:00AM
Airframe hours since last inspection 99
Airframe Hours 1695
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name OHIO STATE POLICE
Aircraft Owner Street Address 660 EAST MAIN
Aircraft Owner City COLUMBUS
Aircraft Owner State OH
Aircraft Owner Country
Aircraft Owner Zipcode 43205
Operator is an individual? --
Operator Name OHIO STATE POLICE
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 660 EAST MAIN
Operator City COLUMBUS
Operator State OH
Operator Country
Operator Zip code 43205
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
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) Public Use
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 346
Departure Time Zone EDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code NONE
Destination City
Destination State
Destination Country
Specific Phase of Flight Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --