We’re still collecting data for this aircraft. Routes appear once we’ve seen it fly enough times.
Both pilots' failure to see and avoid the other helicopter. Contributing to this failure was the pilots' responsibility to perform reporting and visual tracking duties to support their station's ENG operation. Contributing to the accident was the lack of formal procedures for Phoenix-area ENG pilots to follow regarding the conduct of these operations.
Eurocopter AS350-B2 · 4 fatalities