ASN Wikibase Occurrence # 35961
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Date: | Friday 25 October 1991 |
Time: | 21:56 LT |
Type: | Bell 206B JetRanger |
Owner/operator: | Corporate Mobility, Inc |
Registration: | N3456M |
MSN: | 1391 |
Year of manufacture: | 1974 |
Total airframe hrs: | 6279 hours |
Engine model: | ALLISON 250-C20B |
Fatalities: | Fatalities: 3 / Occupants: 3 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | 6 miles W of Vallejo, Solano County, California -
United States of America
|
Phase: | En route |
Nature: | Executive |
Departure airport: | Concord, CA |
Destination airport: | Novato, CA (O56) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE CERTIFICATED AIRLINE PILOT AND TWO PASSENGERS DEPARTED IN A HELICOPTER FOR THE PLANNED DESTINATION AIRPORT, LOCATED ABOUT 27 MILES NORTHWEST OF THE DEPARTURE POINT. THE PILOT RECEIVED A WEATHER BRIEFING IN WHICH VFR FLIGHT WAS NOT RECOMMENDED DUE TO LOW CEILINGS AND LOW VISIBILITY. THE PILOT WAS FAMILIAR WITH THE GEOGRAPHIC AREA. THE PILOT RECEIVED A SPECIAL VFR CLEARANCE THROUGH AN AIRPORT TRAFFIC AREA, DEPARTING TO THE NORTHWEST. ABOUT 20 MILES FROM THE DEPARTURE POINT, WITNESSES OBSERVED THE HELICOPTER PARALLELING A HIGHWAY AT ABOUT 200 FEET ABOVE THE GROUND. THE WEATHER WAS REPORTED TO BE A 200 FOOT OVERCAST CEILING, GUSTY WINDS, HEAVY RAIN, AND VISIBILITY OF ABOUT 1/2 MILE. THE WITNESSES OBSERVED THE HELICOPTER STRIKE THE TOP OF A 223 FOOT HIGH TRANSMISSION TOWER AND EXPLODE. THE LOCATION OF THE TRANSMISSION LINE WAS MARKED ON THE AREA SECTIONAL CHART.
Probable Cause: THE PILOT'S INTENTIONAL FLIGHT INTO KNOWN ADVERSE WEATHER, CONTINUED FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS, AND IMPROPER ALTITUDE. CONTRIBUTING TO THE ACCIDENT WAS LOW CEILINGS, POOR VISIBILITY, AND RESTRICTED VISUAL LOOKOUT.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | LAX92LA029 |
Status: | Investigation completed |
Duration: | 1 year and 6 months |
Download report: | Final report |
|
Sources:
NTSB LAX92LA029
FAA register: 2. FAA:
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=3456M Location
Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
25-Apr-2016 23:53 |
Dr.John Smith |
Updated [Time, Operator, Location, Departure airport, Destination airport, Source, Narrative] |
21-Dec-2016 19:22 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
11-Apr-2024 11:33 |
ASN Update Bot |
Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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