Aircraft Accident/Incident Report

Watsonville, California 95076
Friday, March 27, 1992 5:35 PST

NTSB Narrative Summary Released at Completion of Accident

THE CERTIFICATED COMMERCIAL PILOT WAS CONDUCTING AERIAL SPRAY OPERATIONS IN A HELICOPTER. ABOUT 30 MINUTES AFTER DEPARTING A NEARBY AIRPORT, THE PILOT WAS TAKING OFF FROM A FIELD TO BEGIN APPLYING THE THIRD LOAD OF AN INSECTICIDE. ABOUT 100 YARDS FROM THE TAKEOFF POINT, THE HELICOPTER'S ENGINE SUDDENLY LOST POWER AND SOUNDED AS IF IT WAS MISFIRING. THE HELICOPTER BEGAN TO DESCEND AND THE PILOT FLARED THE HELICOPTER TO SLOW THE ITS FORWARD MOTION. THE TAIL ROTOR STRUCK THE GROUND AND THE HELICOPTER THEN SETTLED INTO THE FIELD, COLLAPSING THE LANDING GEAR SKIDS. THE WRECKAGE EXAMINATION AT THE ACCIDENT SITE REVEALED WATER IN THE MAIN FUEL SUMP. A POST ACCIDENT EXAMINATION OF THE ENGINE REVEALED CONTAMINATION IN THE FUEL SUMP AND LEFT CARBURETOR SCREEN.

NTSB Probable Cause Narrative

A FAILURE OF THE PILOT TO CONDUCT AN ADEQUATE PRE-FLIGHT INSPECTION OF THE AIRCRAFT TO ENSURE THAT THE FUEL SUPPLY WAS FREE OF CONTAMINATES. CONTRIBUTING TO THIS ACCIDENT WAS FUEL CONTAMINATION.

Event Information

Type of Event Accident
Event Date 3/27/1992
Event Day of the Week Friday
Time of Event 535
Event Time Zone Pacific Standard Time
Event City WATSONVILLE
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95076
Event Date Year 1992
Event Date Month 3
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 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 550 Pacific Standard Time
Direction of event from weather observation facility (degrees) 135
Weather Observation Facility ID SNS
Elevation of weather observation facility 84
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation PST
Lighting Conditions Dawn
Lowest Ceiling Height 800
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
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) 13
Dew Point at event time (in degress fahrenheit) 12
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1921
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 46762
Date of most recent change to record Dec 11 2000 2:48PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N149HA
NTSB Number LAX92LA152
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name HILLER
Aircraft Model UH-12E
Aircraft Series Identifier UH-12E
Aircraft Serial Number HA-3049
Certified Max Gross Weight 3100
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 100 Hour
Date of Last Inspection Dec 5 1991 12:00AM
Airframe hours since last inspection 70
Airframe Hours 4814
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HELICAIR AG INC.
Aircraft Owner Street Address 37 MORTENSEN
Aircraft Owner City SALINAS
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 93912
Operator is an individual? --
Operator Name HELICAIR AG INC.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 37 MORTENSEN
Operator City SALINAS
Operator State CA
Operator Country
Operator Zip code 93912
Operator Code LSMG
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Agriculture
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) Aerial Application
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code SNS
Departure City SALINAS
Departure State CA
Departure Country
Departure Time 505
Departure Time Zone PST
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Takeoff
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 --