ASN Wikibase Occurrence # 242859
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| Date: | Sunday 15 September 2002 |
| Time: | |
| Type: |  Bell-Garlick UH-1H |
| Owner/operator: | Fumigación Aérea Andaluza, S. A. (FAASA), lsf LAASA |
| Registration: | CC-CNI |
| MSN: | 5119 |
| Year of manufacture: | 1966 |
| Fatalities: | Fatalities: 0 / Occupants: 11 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Sorribos de Alba (León) -
 Spain
|
| Phase: | Approach |
| Nature: | Fire fighting |
| Departure airport: | |
| Investigating agency: | CIAIAC |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter was dispatched from the Sahechores (León) forestry base to fight a fire in a forest in Sorribos de Alba.
Control was lost and it struck terrain when approaching to land.
CONCLUSIONS
It is considered that the most probable cause of the accident was the execution of a final approach with high descent speed and low engine power.
In order to stop the descent and proceed to a stationary landing, under the conditions of weight, altitude and temperature of the operation, the pilot had to pull excessively on the collective control, which caused the main rotor rpm to drop below the minimum.
This drop in rpm resulted in the uncontrolled descent of the helicopter as well as a loss of effectiveness of the tail rotor and uncontrolled lateral rotation of the aircraft.
Accident investigation:
 |
|
Sources:
CIAIAC Ref. A-068/2002
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Sep-2020 08:06 | ASN Update Bot | Added |
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