Two people died and three were injured.
The Civil Aviation Authority has been made aware of the crash
Five people were in the helicopter - the pilot and four passengers, police said.
"Their initial work will include inspecting the wreckage, mapping the site, and talking with witnesses."
Emergency services responded to the crash which occurred near the Kekerengu Rivermouth.
Turbulent conditions and speed were also likely contributors to the 2018 crash.
Luckily, the organ wasn't damaged.
