Livermore Municipal Airport
Aircraft Accident/Incident Report

Livermore, California 94550
Thursday, May 20, 2004 18:00 PDT

NTSB Narrative Summary Released at Completion of Accident

The helicopter drifted aft while the pilot was hover taxiing into position for landing and the tail rotor struck a chain link fence, damaging the tail rotor and tail boom. Following the tail rotor strike, the pilot hovered the helicopter forward and landed.

NTSB Probable Cause Narrative

The pilot's failure to maintain clearance from obstructions while landing.

Event Information

Type of Event Accident
Event Date 5/20/2004
Event Day of the Week Thursday
Time of Event 1800
Event Time Zone Pacific Daylight Time
Event City Livermore
Event State CALIFORNIA
Event Country --
Zipcode of the event site 94550
Event Date Year 2004
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 374136N
Event Location Longitude 1214913W
Event Location Airport Livermore Municipal
Event Location Nearest Airport ID KLVK
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 --
Weather Briefing Completeness Abbreviated
Investigator's weather source Weather Observation Facility
Time of the weather observation 1828 Pacific Daylight Time
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID KLVK
Elevation of weather observation facility 400
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation PDT
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) 16
Dew Point at event time (in degress fahrenheit) 8
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 16
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.02
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 17995
NTSB Notification Source FAA
NTSB Notification Date May 20 2004 12:00AM
NTSB Notification Time 1825
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Jul 7 2005 10:33AM
User who most recently changed record NTSB\JOHB
Basic weather conditions Visual Meteorological Cond
FAA District Office WP-FASO-Oakland, CA

Aircraft Involved

Aircraft #1

Aircraft Registration Number N216HP
NTSB Number LAX04TA218
Missing Aircraft Indicator --
Federal Aviation Reg. Part Public Use
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Eurocopter France
Aircraft Model AS350 B3
Aircraft Series Identifier --
Aircraft Serial Number 3330
Certified Max Gross Weight 4961
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 3
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection May 16 2004 12:00AM
Airframe hours since last inspection 34.8
Airframe Hours 5234.8
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name California Highway Patrol
Aircraft Owner Street Address 3500 Reed Ave
Aircraft Owner City West Sacramento
Aircraft Owner State CA
Aircraft Owner Country USA
Aircraft Owner Zipcode 95605
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) Public Use
Second Pilot on Board --
Departure Point Same as Event No
Departure Airport Code KSAC
Departure City Sacaramento Exc
Departure State CA
Departure Country USA
Departure Time 1725
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code KLVK
Destination City Livermore
Destination State CA
Destination Country USA
Specific Phase of Flight Hover - in ground effect
Report sent to ICAO? Yes
Evacuation occurred No
Date of most recent change to record May 9 2005 4:14PM
User who most recently changed record COOS
Since inspection or accident Last Inspection
Event Location Runway Number and Location NA
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --