Aircraft Accident/Incident Report

Willits, California 95490
Monday, October 31, 1994 16:30 PST

NTSB Narrative Summary Released at Completion of Accident

THE PILOT WAS CONDUCTING A SERIES OF SLING LOAD LOGGING OPERATIONS. THE PILOT DEPARTED THE LOGGING AREA AFTER SETTING DOWN THE LAST LOG. DURING THE CLIMB-OUT, THE TAIL ROTOR ASSEMBLY STRUCK A TREE AND SEPARATED FROM ITS ATTACH BRACKET. THE PILOT EXECUTED AN AUTOROTATION. THE HELICOPTER SUSTAINED A HARD LANDING AT THE COMPLETION OF THE AUTOROTATION. METALLURGICAL EXAMINATION OF THE HELICOPTER'S 90-DEGREE GEARBOX DISCLOSED NO EVIDENCE OF ANY FATIGUE ON THE FRACTURED SURFACES. THE WRECKAGE EXAMINATION REVEALED NO EVIDENCE OF ANY PREEXISTING AIRFRAME OR ENGINE MALFUNCTIONS OR FAILURES.

NTSB Probable Cause Narrative

that the pilot misjudged the distance between the helicopter and the trees.

Event Information

Type of Event Accident
Event Date 10/31/1994
Event Day of the Week Monday
Time of Event 1630
Event Time Zone Pacific Standard Time
Event City WILLITS
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95490
Event Date Year 1994
Event Date Month 10
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 Not pertinent
Investigator's weather source Unknown
Time of the weather observation 0
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
Lighting Conditions Dusk
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 15
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
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 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1724
NTSB Notification Source --
NTSB Notification Date Nov 3 1994 12:00AM
NTSB Notification Time 900
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 6 2000 12:28PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5088J
NTSB Number LAX95LA030
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 133: Rotorcraft Ext. Load
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BELL
Aircraft Model UH-1E
Aircraft Series Identifier UH-1E
Aircraft Serial Number 154696
Certified Max Gross Weight 9500
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Oct 10 1994 12:00AM
Airframe hours since last inspection 1400
Airframe Hours 7309
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name GARLICK HELICOPTERS, INC.
Aircraft Owner Street Address P.O. BOX 1569
Aircraft Owner City HAMILTON
Aircraft Owner State MT
Aircraft Owner Country
Aircraft Owner Zipcode 59840
Operator is an individual? --
Operator Name DAWSON, DONALD E.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 5696 ARBOGA ROAD
Operator City MARYSVILLE
Operator State CA
Operator Country
Operator Zip code 95901
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation External Load
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Climb
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 --