ASN Wikibase Occurrence # 189210
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| Date: | Wednesday 10 August 2016 |
| Time: | 16:50 |
| Type: |  PZL-Swidnik W-3AS Sokol |
| Owner/operator: | Hispánica de Aviación, S.A. |
| Registration: | SP-SUC |
| MSN: | 30.02.01 |
| Year of manufacture: | 1987 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Villa de Mazo, La Palma -
 Spain
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Fire fighting |
| Departure airport: | Puntagorda |
| Puntagorda | |
| Investigating agency: | CIAIAC |
| Confidence Rating: |  Accident investigation report completed and information captured |
A PZL W-3AS helicopter, registration SP-SUC, was involved in an accident while taking part in firefighting activities.
The aircraft, which was at the Forest Firefighting Support Squad (BRIF) base in the town of Puntagorda, on the island of La Palma, was mobilized at around 15:00 to take part in firefighting efforts in the town of Villa de Mazo.
After making 12 drops in the area, the forward command post instructed its crew to proceed to a different point from the last one but where they had already made a drop.
While executing the approach maneuver to make a drop at that point, the helicopter started to yaw left at an increasing rate, eventually becoming uncontrollable.
The aircraft crashed into the mountainside and was significantly damaged. The two occupants were taken to a hospital for observation.
Causes/Contributing factors:
The investigation has concluded that this accident was likely caused by a loss of tail-rotor effectiveness (LTE), which the pilot was late in identifying, resulting In a loss of control of the helicopter, which ended up impacting the terrain.
Contributing to the accident is the fact that the water was not dropped and the bucket was not released.
Accident investigation:
 |
|
Sources:
http://www.fomento.gob.es/NR/rdonlyres/0FE50E91-393D-4CE3-9B2B-A87CF7102E5D/145288/2016_031_A_ENG.pdf
https://www.eldiario.es/lapalmaahora/sucesos/accidente-helicoptero-Mazo_0_546645896.html
http://www.eltime.es/la-calle/144-sucesos/7458-la-cola-de-la-aeronave-accidentada-en-mazo-choco-contra-un-pino.html
http://aviaciondigital.com/accidente-helicoptero-la-palma-piloto-copiloto-bien/
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Aug-2016 13:45 | Ramon | Added |
| 11-Aug-2016 13:46 | harro | Updated [Aircraft type, Narrative] |
| 12-Aug-2016 18:57 | rotorspot | Updated [Registration, Cn, Operator, Source] |
| 04-Oct-2017 07:31 | harro | Updated [Time, Location, Departure airport, Destination airport, Source, Narrative] |
Corrections or additions? ... Edit this accident description
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