ASN Wikibase Occurrence # 381838
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Date: | Wednesday 1 June 1983 |
Time: | 12:58 LT |
Type: | Boeing Vertol 234ER |
Owner/operator: | Atlantic Richfield Co. |
Registration: | N234BV |
MSN: | MJ016 |
Total airframe hrs: | 99 hours |
Engine model: | Lycoming AL5512 |
Fatalities: | Fatalities: 0 / Occupants: 19 |
Aircraft damage: | None |
Category: | Serious incident |
Location: | Mekoryuk, AK -
United States of America
|
Phase: | En route |
Nature: | Executive |
Departure airport: | Bering Sea, AK (708) |
Destination airport: | Nome, AK (OME) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:WHILE CLIMBING IN IFR CONDITIONS AFTER TAKEOFF, THE #1 ENG LOST POWER. THE PLT DUMPED FUEL & LANDED ON AN OIL EXPLORATION PLATFORM. WHILE DUMPING FUEL, THE #1 JETTISON SYS OPERATED NORMALLY, BUT THE CIRUIT BREAKER POPPED ON THE #2 SYS. THE AIRCREW RESET THE CIRCUIT BREAKER & WERE ABLE TO OPEN THE VALVE, BUT THE CIRCUIT BREAKER POPPED AGAIN. THEY WERE ABLE TO CLOSE THE #2 JETTISON VALVE BY HOLDING THE CIRCUIT BREAKER IN. AN INVESTIGATION REVEALED THAT THE LOWER ACCESSORY LEVEL GEAR, PN 2-070-024-01, IN THE #1 ENG, HAD FAILED.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | ANC83IA089 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB ANC83IA089
Location
Revision history:
Date/time | Contributor | Updates |
02-Apr-2024 07:42 |
ASN Update Bot |
Added |
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