ASN Wikibase Occurrence # 132396
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| Date: | Sunday 30 July 1989 |
| Time: | 17:00 |
| Type: |  Robinson R22 |
| Owner/operator: | Charlie L.H. Brown |
| Registration: | N933CB |
| MSN: | 1083 |
| Year of manufacture: | 1989 |
| Engine model: | LYCOMING O-320-B2C |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Waters off Brinnon, Jefferson County, Washington -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | |
| Brinnon, Jefferson County, Washington | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING A PLEASURE FLIGHT, THE PILOT FELT A LOW FREQUENCY VIBRATION AND OPTED TO INITIATE A PRECAUTIONARY LANDING. DUE TO UNSUITABLE TERRAIN, THE PILOT CONTINUED THE FLIGHT OVER GLASSY WATER TO LAND ON A BEACH AREA. THE PILOT MISJUDGED THE DISTANCE ABOVE THE WATER RESULTING IN THE LEFT SKID CONTACTING THE WATER FIRST. THE PILOT STATED THAT THE ENGINE STALLED AND STOPPED AND THE HELICOPTER SETTLED SOFTLY IN THE WATER AND SANK. THE PILOT REPORTED THAT THERE WERE NO MECHANICAL FAILURES OR MALFUNCTIONS WITH THE HELICOPTER AT THE TIME OF THE ACCIDENT.
CAUSE: THE PILOT'S INADEQUATE IN-FLIGHT PLANNING. THE HELICOPTER SKID CONTACTED THE WATER AS A RESULT OF THE PILOT'S MISJUDGEMENT OF CLEARANCE ABOVE THE WATER.
Sources:
1. NTSB Identification: SEA89LA144 at https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001213X28989&key=1
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=933CB
3. http://www.griffin-helicopters.co.uk/accidentdetails.aspx?accidentkey=1201
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Feb-2016 21:08 | Dr.John Smith | Updated [Operator, Location, Destination airport, Source, Narrative] |
| 19-Sep-2016 18:56 | Dr.John Smith | Updated [Location, Destination airport, Source] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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