ASN Wikibase Occurrence # 368246
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: | Sunday 6 August 1989 |
| Time: | 18:45 LT |
| Type: |  Bell 206B |
| Owner/operator: | Helicopter Services |
| Registration: | N9916K |
| MSN: | 1939 |
| Year of manufacture: | 1976 |
| Engine model: | Allison 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Boulder City, NV -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | Las Vegas, NV (KLAS) |
| Las Vegas, NV (KLAS) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING A SIGHTSEEING FLIGHT, THE PILOT DESCENDED THE HELICOPTER TO A LOW ALTITUDE AND DECREASED AIRSPEED. THE PILOT THEN REPORTED THAT THE HELICOPTER LOST TAIL ROTOR EFFECTIVENESS AND BEGAN TO SPIN. THE PILOT WAS UNABLE TO REGAIN CONTROL OF THE HELICOPTER PRIOR TO IT TOUCHING DOWN HARD. THE PILOT REPORTED THAT THERE WERE NO MECHANICAL FAILURES OR MALFUNCTIONS WITH THE HELICOPTER AT THE TIME OF THE ACCIDENT.
Probable Cause: PILOT DISPLAYED POOR INFLIGHT PLANNING WHILE MANEUVERING. THE PILOT DID NOT IDENTIFY THE WIND CONDITIONS RESULTING IN A LOSS OF DIRECTIONAL CONTROL. THE PILOT'S CORRECTIVE ACTION WAS INADEQUATE AND AS RESULT, THE HELICOPTER COLLIDED WITH THE TERRAIN.
Accident investigation:
 |
|
Sources:
NTSB SEA89LA148
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Mar-2024 16:18 | 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