Aircraft Accident/Incident Report

Harlem, Montana 59526
Saturday, June 19, 1993 20:30 MDT

NTSB Narrative Summary Released at Completion of Accident

THE HELICOPTER WAS FUELED WITH THE LAST 25 GALLONS OF FUEL FROM THE FUEL TRUCK AND THEN DEPARTED ON A SPRAY DISPERSAL FLIGHT. AT APPROXIMATELY 8 FEET AGL AND 60-70 MPH DURING A SWATH RUN, THE ENGINE ABRUPTLY STOPPED AND THE PILOT ATTEMPTED TO EXECUTE A 'QUICK STOP' DURING WHICH THE HELICOPTER COLLIDED WITH TERRAIN. POST CRASH EXAMINATION REVEALED ONLY A SMALL AMOUNT OF WATER IN THE LOW POINT DRAIN FUEL SAMPLE TAKEN FROM THE FUEL TRUCK. A FUEL SAMPLE TAKEN FROM THE PRESSURE SIDE OF THE HELICOPTER'S AIRFRAME FUEL FILTER SYSTEM REVEALED APPROXIMATELY 20 PERCENT WATER. WHEN THE HELICOPTER'S FUEL TANK WAS DEFUELED, THE OWNER RETRIEVED APPROXIMATELY 2.5 GALLONS OF WATER OUT OF A 40 GALLON QUANTITY.

NTSB Probable Cause Narrative

THE IMPROPER REFUELING SYSTEM PROCEDURES WHICH ALLOWED WATER TO CONTAMINATE THE AIRCRAFT FUEL AND THE PILOT'S INADEQUATE PREFLIGHT.

Event Information

Type of Event Accident
Event Date 6/19/1993
Event Day of the Week Saturday
Time of Event 2030
Event Time Zone Mountain Daylight Time
Event City HARLEM
Event State MONTANA
Event Country --
Zipcode of the event site 59526
Event Date Year 1993
Event Date Month 6
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 Weather Observation Facility
Time of the weather observation 2029 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 280
Weather Observation Facility ID HVR
Elevation of weather observation facility 2590
Distance of event from weather observation facility (units?) 35
Time Zone of the weather observation MDT
Lighting Conditions Dusk
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) 0
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) 14
Wind Direction (degrees magnetic) 170
Variable Wind Indicator Unknown
Wind Speed (knots) 4
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 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2122
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 2245
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 11 2000 1:24PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N33EA
NTSB Number SEA93LA135
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 BELL
Aircraft Model 206B
Aircraft Series Identifier 206B
Aircraft Serial Number 2255
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 100 Hour
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ROTORCRAFT PARTNERSHIPS, LTD.
Aircraft Owner Street Address 1123 WHEATON OAKS COURT
Aircraft Owner City WHEATON
Aircraft Owner State IL
Aircraft Owner Country
Aircraft Owner Zipcode 60187
Operator is an individual? --
Operator Name BURNEY, RAY E.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address BOX 1582
Operator City CUTBANK
Operator State MT
Operator Country
Operator Zip code 59427
Operator Code RB7G
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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 2029
Departure Time Zone MDT
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 Maneuvering
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 --