What happened
On December 9, 2011, a Robinson R44 II helicopter, registration PR-KLA, crashed in a mountainous area near São Bento do Sul, Santa Catarina. The flight originated from Jaraguá do Sul, destined for Rio Negrinho. During the transit, the aircraft struck the canopy of large trees at an altitude of approximately 1,700 feet before falling vertically to the ground.
The impact resulted in the total destruction of the aircraft and the death of the pilot at the scene. Witnesses at a nearby farm reported hearing the aircraft flying over the area followed by a loud explosion. At the time of the accident, the region was experiencing light rain and significant cloud cover.
The investigation
CENIPA's investigation established that the engine was operational and producing power at the moment of impact. The investigation focused on the meteorological conditions, which featured low ceilings between 800 and 1,500 feet, making visual flight rules (VFR) operations unsafe.
Investigators found that the pilot, while holding a valid commercial helicopter license, lacked experience in this specific aircraft model and was not qualified for instrument flight rules (IFR). The investigation also noted that the aircraft was not certified for IFR operations. Evidence suggested the pilot may have attempted to proceed despite the deteriorating weather, driven by a personal commitment to reach the destination.
Findings
- Adverse weather conditions: Low cloud ceilings and visibility levels that were unsuitable for VFR flight.
- Improper pilot judgment: The pilot decided to continue the flight despite weather conditions that precluded safe visual navigation.
- Inadequate experience: The pilot had limited flight time in the specific aircraft model and the local region.
- Psychological factors: High personal motivation to reach the destination may have compromised the pilot's risk perception.
- Lack of operational support: The pilot operated with excessive individual responsibility and lacked a support system to assist in operational decision-making.