ASN Wikibase Occurrence # 42725
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| Date: | Wednesday 9 September 1987 |
| Time: | 11:38 |
| Type: |  Bell 206B JetRanger |
| Owner/operator: | Commodore Helicopters |
| Registration: | N1082S |
| MSN: | 2902 |
| Total airframe hrs: | 5046 hours |
| Engine model: | ALLISON 250-C20B |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Vallejo, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Survey |
| Departure airport: | Napa, CA (APC) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE PERFORMING A ROUTINE AERIAL OBSERVATION FLIGHT TO INSPECT THE INTEGRITY OF THE PACIFIC GAS & ELECTRIC COMPANY'S TRANSMISSION LINES, THE HELICOPTER CRASHED AFTER COLLIDING WITH AN UNMARKED STATIC WIRE. THE LINE INSTALLATION WAS ON SLOPING TERRAIN & CONSISTED OF 3 TOWERS. THE SEVERED STATIC LINE WAS SUPPORTED BY TOWERS HAVING HIGHER ELEVATIONS. THE PLT FAILED TO DETECT & AVOID THE ELEVATED STATIC LINE. PG & E FAILED TO PROVIDE THE PLT WITH ADVANCE NOTICE OF THE HAZARDOUS & SOMEWHAT UNIQUE LINE CONFIGURATION. CAUSE:
Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X32106
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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