Aircraft Accident/Incident Report

Watson, Oklahoma 74963
Monday, August 4, 1986 14:30 CDT

NTSB Narrative Summary Released at Completion of Accident

PILOT OF BELL 206B CONDUCTING FORESTRY OPERATIONS EXPERIENCED PROBLEM WITH FIRE DISPENSING APPARATUS BEING SLUNG BENEATH AIRCRAFT WHILE RETURNING TO HELIPAD FOR FUEL. PILOT LANDED, RELEASED EXTERNAL LOAD, AND GOT OUT OF AIRCRAFT TO RELEASE ELECTRICAL CONNECTION. UPON RESUMING HIS FLIGHT HE WAS UNAWARE THAT A CABLE FROM THE RELEASED LOAD WAS CAUGHT ACROSS HIS RIGHT SKID. THE COMPANY MECHANIC WHO WITNESSED THE ACCIDENT STATED THAT HE ATTEMPTED TO ALERT THE PILOT AS HE TOOK OFF BUT WAS UNABLE TO GET HIS ATTENTION. THE PILOT STATED THAT HE MADE A CLIMBING RIGHT TURN AND LOST CONTROL OF THE AIRCRAFT AS THE EXTERNAL LOAD WAS INADVERTENTLY LIFTED AND IMMEDIATELY BEGAN SEVERE OSCILLATION. THE AIRCRAFT IMPACTED SMALL TREES PRIOR TO GROUND IMPACT. THE HELICOPTER SUSTAINED SUBSTANTIAL DAMAGE AS A RESULT OF THE ACCIDENT. THE PILOT, WHO HOLDS AN AIRLINE TRANSPORT RATING, WAS SERIOUSLY INJURED. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/4/1986
Event Day of the Week Monday
Time of Event 1430
Event Time Zone Central Daylight Time
Event City WATSON
Event State OKLAHOMA
Event Country --
Zipcode of the event site 74963
Event Date Year 1986
Event Date Month 8
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 Witness
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 Day
Lowest Ceiling Height 12000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 32
Dew Point at event time (in degress fahrenheit) 18
Wind Direction (degrees magnetic) 200
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 2919
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 941
NTSB Notification Source --
NTSB Notification Date Aug 4 1986 12:00AM
NTSB Notification Time 1430
Fiche Number and/or location -used to find docket information 31292
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N33W
NTSB Number FTW86FA142
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
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 930
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 Jul 12 1986 12:00AM
Airframe hours since last inspection 77
Airframe Hours 9579
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name WEYERHAEUSER CORP.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address CORP. AIRCRAFT
Operator City TACOMA
Operator State WA
Operator Country
Operator Zip code 98477
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? Yes
Certified for Part 133 or 137 Operation Agriculture
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) Other Work Use
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1430
Departure Time Zone CDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
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 --