ASN Wikibase Occurrence # 37796
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| Date: | Tuesday 10 May 1994 |
| Time: | 21:42 LT |
| Type: |  Robinson R22 |
| Owner/operator: | Skyline Aviation, Inc. |
| Registration: | N8047Y |
| MSN: | 2408 |
| Year of manufacture: | 1994 |
| Total airframe hrs: | 309 hours |
| Engine model: | Lycoming O-320-B2C |
| Fatalities: | Fatalities: 2 / Occupants: 5 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Interstate 60 highway, Hacienda Height, California -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Burbank, CA (KBUR) |
| Chino, CA (KCNO) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE HELICOPTER COLLIDED WITH THE UPPER STATIC CABLE OF POWER TRANSMISSION LINES WHILE ON A NIGHT CROSS-COUNTRY FLIGHT. WITNESSES REPORTED SEEING THE HELICOPTER FLYING LOW FOR SEVERAL MILES BEFORE THE COLLISION. AFTER THE COLLISION, THE HELICOPTER CAME TO REST ON AN INTERSTATE HIGHWAY. EXAMINATION OF THE WRECKAGE INDICATED THE CENTER POST OF THE CANOPY STRUCK THE CABLE FIRST. THE VISIBILITY WAS REPORTED AS 6 STATUTE MILES WITH HAZE AND FOG. THE WIRES ARE DEPICTED ON THE HELICOPTER ROUTE CHART AND THE VFR TERMINAL AREA CHART. THE CABLE SUPPORT TOWERS WERE LIGHTED ON THE NIGHT OF THE ACCIDENT. THERE WAS NO EVIDENCE OF PRE-ACCIDENT MECHANICAL FAILURE OR MALFUNCTION OF THE HELICOPTER. THREE AUTOMOBILES WERE DAMAGED WHEN THE HELICOPTER CRASHED. ONE AUTOMOBILE STOPPED IN THE WESTBOUND LANES SHORT OF CRASHED HELICOPTER AND ANOTHER AUTOMOBILE STRUCK THE REAR OF THE STOPPED VEHICLE. AN AUTOMOBILE IN THE EASTBOUND LANES STRUCK THE HELICOPTER'S MAST AND WAS DAMAGED. ALL REPORTED INJURIES ON THE GROUND WERE A RESULT OF AUTOMOBILES COLLIDING IN THE WESTBOUND LANES.
Probable Cause: The pilot's selection of an en route cruise altitude which provided insufficient obstruction clearance, and his inadequate visual lookout. Factors in the night time accident were the reduced visibility as a result of the fog and haze.
Accident investigation:
 |
|
Sources:
NTSB LAX94FA214
FAA register: 2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=8047Y
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Sep-2016 22:49 | Dr.John Smith | Updated [Time, Operator, Location, Departure airport, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 07:36 | ASN Update Bot | Updated [Time, Operator, Total occupants, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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