Aircraft Incident/Accident Report


Kenai, Alaska 99611
Thursday, January 10, 1985 8:05 AST

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NTSB Narrative Summary Released at Completion of Accident
FLT WAS BEING CONDUCTED TO OFF SHORE OIL PLATFORM. PLT WAS CHECKED OUT FOR OFF SHORE OPERATIONS THE DAY PRIOR TO THIS ACCIDENT. PLT STATED VISIBILITY ABOVE 500 FT WAS POOR & HE MAINTAINED 500 FT TO STAY BELOW A STRATUS LAYER. ONCE OVER THE WATER THE ONLY VISIBLE HORIZON WAS THE PLATFORMS. THE HELICOPTER CONTACTED THE WATER AND ROLLED OVER 1 1/2 MILES OFF SHORE. THE LIFE RAFT WAS SECURED TO THE CHIN BUBBLE AND WAS LOST WHEN THE BUBBLE SEPARATED DURING IMPACT.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
Type of EventAccident 
Event Date1/10/1985 
Event Day of the WeekThursday 
Time of Event805 
Event Time ZoneAtlantic Standard Time 
Event CityKENAI  
Event StateALASKA 
Event Country-- 
Zipcode of the event site99611  
Event Date Year1985 
Event Date Month
MidAir Collision IndicatorNo 
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 airportOff Airport/Airstrip 
Distance from airport in statute miles
Degrees magnetic from airport
Airport Elevation
Weather Briefing CompletenessPartial - limited by briefer 
Investigator's weather sourceWeather Observation Facility 
Time of the weather observation853  
Direction of event from weather observation facility (degrees)140 
Weather Observation Facility IDENA  
Elevation of weather observation facility92 
Distance of event from weather observation facility (units?)10 
Time Zone of the weather observation  
Lighting ConditionsNight/Dark 
Lowest Ceiling Height2500 
Lowest Non-Ceiling Height1500 
Sky/Lowest/Cloud ConditionsScattered 
Sky Condition for Lowest CeilingBroken 
Visibility Runway Visual Range (Feet)
Visibility Runway Visual Value (Statute Miles)
Visibility (Statute Miles) 70 
Air Temperature at event time (in degrees celsius)
Dew Point at event time (in degress fahrenheit)
Wind Direction (degrees magnetic)40 
Variable Wind IndicatorUnknown 
Wind Speed (knots)13 
Wind Velocity Indicator Unknown 
Wind Gust IndicatorUnknown 
Wind Gust (knots) 20 
Altimeter Setting at event time (in. Hg) 29 
Density Altitude (feet)-- 
Intensity of PrecipitationLight 
METAR weather report -- 
Event Highest InjuryFatal 
On Ground, Fatal Injuries
On Ground, Minor Injuries
On Ground, Serious Injuries
Injury Total Fatal
Injury Total Minor
Injury Total None-- 
Injury Total Serious
Injury Total All
Investigating AgencyNTSB 
NTSB Docket Number (internal use)29 
NTSB Notification Source-- 
NTSB Notification DateJan 10 1985 12:00AM 
NTSB Notification Time845 
Fiche Number and/or location -used to find docket information27155 
Date of most recent change to recordJan 2 2001 9:14AM 
User who most recently changed recorddbo  
Basic weather conditionsVisual Meteorological Cond 
FAA District Office-- 
Aircraft Involved
Aircraft #1
Aircraft Registration NumberN59619 
NTSB NumberANC85FA036  
Missing Aircraft Indicator
Federal Aviation Reg. PartPart 135: Air Taxi & Commuter 
Type of Flight Plan filedCompany VFR 
Flight plan Was Activated?-- 
DamageDestroyed 
Aircraft FireNone 
Aircraft ExplosionNone 
Aircraft Manufacturer's Full NameBELL  
Aircraft Model206BIII  
Aircraft Series Identifier206BIII  
Aircraft Serial Number1681  
Certified Max Gross Weight3200 
Aircraft CategoryHelicopter 
Aircraft Registration ClassU.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
Number of Engines
Fixed gear or retractable gearFixed 
Aircraft, Type of Last Inspection100 Hour 
Date of Last InspectionOct 22 1984 12:00AM 
Airframe hours since last inspection74 
Airframe Hours5051 
ELT InstalledYes 
ELT ActivatedNo 
ELT Aided Location of Event SiteNo 
ELT Type-- 
Aircraft Owner NameALASKA HELICOPTERS,INC.  
Aircraft Owner Street AddressBOX 6283  
Aircraft Owner CityANCHORAGE  
Aircraft Owner StateAK 
Aircraft Owner Country  
Aircraft Owner Zipcode99502  
Operator is an individual?-- 
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 certificateYes - certificate holder 
Other Operator of large aircraft?No 
Certified for Part 133 or 137 OperationExternal Load 
Operator Certificate Number-- 
Indicates whether an air carrier operation was scheduled or notNon-scheduled 
Indicates Domestic or International FlightDomestic 
Operator carrying Pax/Cargo/MailPassenger Only 
Type of Flying (Per_Bus / Primary)Unknown 
Second Pilot on BoardNo 
Departure Point Same as EventYes 
Departure Airport Code  
Departure CityNIKISHKA  
Departure StateAK 
Departure Country  
Departure Time802 
Departure Time ZoneAST 
Destination Same as Local Fltdest & departure same, accident can occur anywhere 
Destination Airport Code  
Destination City  
Destination State  
Destination Country  
Specific Phase of FlightDescent 
Report sent to ICAO?-- 
Evacuation occurred-- 
Date of most recent change to recordJan 2 2001 10:36AM 
User who most recently changed recorddbo  
Since inspection or accident-- 
Event Location Runway Number and Location0  
Runway Length
Runway Width
Sight Seeing flightNo 
Air Medical FlightNo 
Medical Flight--