ASN Wikibase Occurrence # 372702
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can submit corrected information.
| Date: | Wednesday 8 July 1987 |
| Time: | 02:20 LT |
| Type: |  MBB BK 117A-3 |
| Owner/operator: | Rocky Mountain Helicopters |
| Registration: | N160BK |
| MSN: | 7060 |
| Total airframe hrs: | 836 hours |
| Engine model: | LYCOMING LTS-101-650B1 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Cupertino, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | Palo Alto, CA |
| Cupertino, CA | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A MBB BK117A-3 HELICOPTER COLLIDED WITH WIRES WHILE ON FINAL APPROACH TO AN ASPHALT ROAD IN CLOSE PROXIMITY TO A TRAFFIC ACCIDENT. NIGHT VMC PREVAILED AT THE TIME. THE PILOT INDICATED THAT HE DID NOT SEE THE WIRES AND WAS UNAWARE OF THE COLLISION UNTIL HE WAS INFORMED BY GROUND PERSONNEL. THE PILOT STATED THAT HE HAD MADE 'NUMEROUS ORBITS' PRIOR TO BEGINNING HIS DESCENT FOR THE LANDING. THE PILOT ALSO INDICATED THAT HIS VISION WAS HAMPERED BY BLOWING DUST FROM THE HELICOPTER'S ROTORWASH AND THAT HE WAS BLINDED BY A SPOTLIGHT ON A LAW ENFORCEMENT VEHICLE. THE FLIGHT NURSE WHO WAS OCCUPYING THE RIGHT SEAT FACING AFT ALSO INDICATED THAT THE CONDITIONS WERE DUSTY AND GROUND PERSONNEL HAD POINTED THE LIGHT IN THE PILOTS FACE. THE PILOT ALSO INDICATED COMMUNICATIONS WITH GROUND PERSONNEL WAS OFTEN GARBLED.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX87IA260
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Mar-2024 20:35 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation