ASN Wikibase Occurrence # 382497
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| Date: | Tuesday 1 March 1983 |
| Time: | 11:00 LT |
| Type: |  Aerospatiale AS-350D |
| Owner/operator: | Petroleum Helicopters, Inc. |
| Registration: | N3593D |
| MSN: | 1060 |
| Year of manufacture: | 1979 |
| Total airframe hrs: | 3486 hours |
| Engine model: | Lycoming LTS-101 |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | East Cameron oil field, Gulf of Mexico -
 United States of America
|
| Phase: | Approach |
| Nature: | Unknown |
| Departure airport: | East Cameron Block 33A platform |
| East Cameron Block 42B platform | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING AN APPROACH TO AN OIL DRILLING RIG PLATFORM, THE ENGINE DECELERATED AS THE PILOT STARTED TO ALL POWER. WITH THE ACFT BELOW THE LANDING AREA, HE MANEUVERED TO MISS THE PLATFORM & INITIATED AN AUTOROTATIVE LANDING. HE MADE A MAYDAY CALL & TRIED TO ELECTRICALLY DEPLOY THE EMERGENCY FLOATS; HOWEVER, THE RIGHT FLOAT FAILED TO INFLATE & THERE WAS INSUFFICIENT TIME FOR MANUAL DEPLOYMENT. IMMEDIATELY ON TOUCHDOWN, THE HELICOPTER ROLLED OVER & BEGAN TO FILL WITH WATER. REPORTEDLY, THERE WAS ONLY MINOR DAMAGE FROM WATER IMMERSION. NO PREIMPACT DISCREPANCIES WERE FOUND THAT WOULD HAVE CAUSED THE POWER LOSS. THE WIRES TO THE RIGHT FLOAT (FOR ELECTRICAL DEPLOYMENT) WERE WORN IN TWO AT A CENTER HEX HEAD SCREW. A FLEET INSPECTION OF 37 ACFT REVEALED THAT 60% WERE WORN THRU IN THE SAME AREA.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB FTW83IA131
History of this aircraft
Other occurrences involving this aircraft
| 2 June 2004 | C-FPLJ | Canadian Helicopters Ltd. | 0 | Havre St-Pierre, Quebec |  |
min |
| 21 May 2009 | C-FPLJ | Canadian Helicopters Limited | 0 | 20 NM Northeast of Kitimat, BC | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Apr-2024 14:32 | ASN Update Bot | Added |
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