What happened
On August 19, 2011, at 19:48 UTC, an Agusta AW13МУ helicopter, bearing registration PR-SEK, crashed into the Atlantic Ocean. The aircraft was operating near the P-65 oil rig at the time of the accident.
The helicopter was en route to the Macae Municipality in Rio de Janeiro, Brazil, having just departed from the P-65 platform. Following the impact, the aircraft sank in waters with a recorded depth of 100 meters (328 feet).
The accident resulted in 4 fatal outcomes, as the two-person flight crew and two passengers have not been located and are presumed killed.