What happened
On December 23, 2003, a Robinson R-22 helicopter with registration PP-MRG departed from the Helipark heliport in São Paulo, SP, bound for Parati, RJ. The flight was conducted under Visual Flight Rules (VFR) by a private pilot who was also the aircraft owner. The pilot departed alone at approximately 11:48 UTC.
During the flight, the pilot made several phone calls to family members already in Parati and to airport staff to inquire about weather conditions. Despite receiving information that suggested deteriorating weather, the pilot continued toward the destination. The aircraft eventually collided with trees in the mountainous Atlantic Forest region near Parati. The impact resulted in severe damage to the helicopter and fatal injuries to the pilot.
The Emergency Locator Transmitter (ELT) was activated after the crash. However, investigators noted that the pilot likely manually turned the device off and on repeatedly while attempting to preserve the battery, which delayed the discovery of the wreckage by search and rescue teams. The aircraft was not located until December 27, 2003.
The investigation
CENIPA examined the factual circumstances, including meteorological data, pilot qualifications, and physical evidence from the crash site. Although the difficult terrain prevented a detailed examination of the cockpit or recovery of specific components, analysis of the wreckage indicated that the main rotor had broken at low rotation speeds during the fall, rather than striking obstacles while spinning.
Meteorological reports from nearby airports (Guarulhos and São José dos Campos) indicated conditions unsuitable for VFR flight, including light rain, low cloud bases, and high humidity. The pilot’s private weather checks via phone calls did not provide a comprehensive picture of the en-route conditions over the Serra do Mar.
Interviews with colleagues and family revealed that the pilot was anxious to reach Parati for holiday celebrations. Witnesses noted he appeared distracted, indecisive, and rushed before departure. Another pilot present at Helipark had expressed concern about flying in those specific weather conditions.
Findings
The investigation identified several contributing factors:
- Poor Weather Judgment: The pilot failed to adequately assess the deteriorating meteorological conditions along the route and over the destination, leading to a decision to fly into unsafe VFR conditions.
- Anxiety and Complacency: The pilot’s desire to arrive for family gatherings contributed to anxiety and a "get-there-itis" mindset. His ownership of the aircraft may have led to complacency among ground staff regarding his readiness to fly.
- Inadequate Planning: The pilot did not file a flight plan and relied solely on GPS without using aeronautical charts, indicating deficient pre-flight preparation.
- ELT Misuse: Manual interference with the ELT battery delayed rescue efforts.
The single most important causal fact was the pilot's decision to continue into adverse weather conditions despite clear indications that VFR flight was no longer safe.
Safety action
CENIPA issued safety recommendations to the National Civil Aviation Agency (ANAC) and SERAC 4. These included disseminating lessons learned about the risks of ignoring weather conditions in helicopter operations and conducting training on carburetor ice formation for Robinson operators. Operational bulletins were also issued to helicopter operators.