ASN Wikibase Occurrence # 43431
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| Date: | Thursday 14 July 1988 |
| Time: | 07:25 |
| Type: |  Aérospatiale SA 330J Puma |
| Owner/operator: | Petroleum Helicopters (PHI) |
| Registration: | N47307 |
| MSN: | 1402 |
| Total airframe hrs: | 4727 hours |
| Engine model: | Turbomeca TURMO IVC |
| Fatalities: | Fatalities: 1 / Occupants: 16 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 60 mi S of Morgan City, LA -
 United States of America
|
| Phase: | Take off |
| Nature: | Offshore |
| Departure airport: | Eugene Island Helideck, Gulf of Mexico |
| Intracoastal City, Lousiana | |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
DRG LIFT-OFF FROM AN OIL PLATFORM IN THE GULF OF MEXICO, THE HELICOPTER BGN A SLOW UNCOMMANDED LEFT TURN. THE PLT TRIED TO FLY IT BY LOWERING THE NOSE & INCREASING COLLECTIVE. AFTER 2 TURNS, THE HELICOPTER SETTLED & IMPACTED THE WATER IN A LEFT BANK, NOSE DOWN ATTITUDE. THE AUTO-PLT WAS NOT DISCONNECTED, NOR WERE THE FLOATS INFLATED. NO PREIMPACT MECH FAILURE WAS FOUND. INTERVIEWS REVEALED THE HELICOPTER WAS NOT STABILIZED IN A HOVER BEFORE INITIATING A TAKEOFF. THERE WAS A PREVIOUS WRITE-UP WHICH STATED 'A/C REQUIRES MORE RIGHT PEDAL THAN USUAL IN HOVER AND FORWARD FLIGHT.' IN RESPONSETO THIS WRITE-UP, A MECHANIC HAD ADJUSTED A TUBE WHICH RAN REARWARD FROM THE PEDAL ASSEMBLY TO THE LOWER PORTION OF THE AUTO-PILOT SYSTEM. THE MAINTENANCE MANUAL DESCRIBED THIS TUBE AS BEING ONE OF THE 'SEMI-FIXED' RODS. REFERRING TO THESE RODS, THE MANUAL CAUTIONED, 'THEY ARE ADJUSTED ONCE FOR ALL WHEN THEY ARE FITTED TO THE AIRCRAFT. THEY MUST NOT BE ADJUSTED SUBSEQUENTLY.' CAUSE: NONE SUBMITTED
Sources:
1. http://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001213X26235&key=1
2. http://www.airport-data.com/aircraft/photo/000110851.html
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 18-Feb-2010 11:39 | TB | Updated [Aircraft type, Other fatalities, Departure airport] |
| 14-Apr-2012 10:53 | TB | Updated [Operator, Nature, Source] |
| 10-Dec-2016 21:15 | Dr. John Smith | Updated [Operator, Location, Country, Departure airport, Destination airport, Source] |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 06-Mar-2017 18:25 | TB | Updated [Operator, Location, Source] |
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