Aircraft Incident/Accident Report


Pacific Ocean
Monday, February 14, 2000 17:00

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NTSB Narrative Summary Released at Completion of Accident
On the third flight of the day, at 100 feet after takeoff from the fishing vessel, the pilot reported that he felt a grinding sensation from the cyclic control followed by a loud bang. After making the precautionary landing, the helicopter was struck by an ocean swell, rolled over, and subsequently sank. The pilot and observer were rescued uninjured from the water by the fishing vessel. It was noted that the foreign pilot did not possess a U.S. flight certificate.
NTSB Probable Cause Narrative
An unknown mechanical malfunction that resulted in a precautionary landing at sea and the subsequent sinking of the helicopter by an ocean swell.
Event Information
Type of EventAccident 
Event Date2/14/2000 
Event Day of the WeekMonday 
Time of Event1700 
Event Time Zone-- 
Event CityPACIFIC OCEAN  
Event StatePACIFIC OCEAN 
Event Country-- 
Zipcode of the event site  
Event Date Year2000 
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 CompletenessNot pertinent 
Investigator's weather sourcePilot 
Time of the weather observation0  
Direction of event from weather observation facility (degrees)
Weather Observation Facility ID  
Elevation of weather observation facility
Distance of event from weather observation facility (units?)
Time Zone of the weather observation  
Lighting ConditionsDay 
Lowest Ceiling Height
Lowest Non-Ceiling Height
Sky/Lowest/Cloud ConditionsClear 
Sky Condition for Lowest CeilingNone 
Visibility Runway Visual Range (Feet)
Visibility Runway Visual Value (Statute Miles)
Visibility (Statute Miles) 10 
Air Temperature at event time (in degrees celsius)-- 
Dew Point at event time (in degress fahrenheit)-- 
Wind Direction (degrees magnetic)
Variable Wind IndicatorUnknown 
Wind Speed (knots)
Wind Velocity Indicator Unknown 
Wind Gust IndicatorUnknown 
Wind Gust (knots)
Altimeter Setting at event time (in. Hg) -- 
Density Altitude (feet)-- 
Intensity of PrecipitationUnknown 
METAR weather report -- 
Event Highest InjuryNone 
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)10092 
NTSB Notification Source-- 
NTSB Notification DateFeb 16 2000 12:00AM 
NTSB Notification Time1520 
Fiche Number and/or location -used to find docket informationIMAGE 
Date of most recent change to recordJul 17 2001 8:35AM 
User who most recently changed recordMONR  
Basic weather conditionsVisual Meteorological Cond 
FAA District Office-- 
Aircraft Involved
Aircraft #1
Aircraft Registration NumberN717ST 
NTSB NumberLAX00LA103  
Missing Aircraft Indicator
Federal Aviation Reg. PartPart 91: General Aviation 
Type of Flight Plan filedNone 
Flight plan Was Activated?-- 
DamageDestroyed 
Aircraft FireNone 
Aircraft ExplosionNone 
Aircraft Manufacturer's Full NameHughes  
Aircraft Model369HS  
Aircraft Series Identifier369HS  
Aircraft Serial Number350717S  
Certified Max Gross Weight2550 
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 InspectionAnnual 
Date of Last InspectionDec 6 1999 12:00AM 
Airframe hours since last inspection92 
Airframe Hours6221 
ELT InstalledUnknown 
ELT ActivatedUnknown 
ELT Aided Location of Event SiteUnknown 
ELT Type-- 
Aircraft Owner NameO'HARA HELICOPTERS INC.  
Aircraft Owner Street AddressP.O. BOX 9099  
Aircraft Owner CityTAMUNING  
Aircraft Owner StateGU 
Aircraft Owner Country  
Aircraft Owner Zipcode96931  
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 certificateNone 
Other Operator of large aircraft?No 
Certified for Part 133 or 137 OperationUnknown 
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)Aerial Observation 
Second Pilot on BoardNo 
Departure Point Same as EventYes 
Departure Airport Code  
Departure City  
Departure State  
Departure Country  
Departure Time
Departure Time Zone  
Destination Same as Local Fltdest & departure same, accident can occur anywhere 
Destination Airport Code  
Destination City  
Destination State  
Destination Country  
Specific Phase of FlightCruise 
Report sent to ICAO?-- 
Evacuation occurred-- 
Date of most recent change to recordJun 6 2001 4:02AM 
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--