The 2005 Nias Island WS-61 Sea King crash, was the crash of a Royal Australian Navy (RAN) Westland WS-61 Sea King helicopter (registration N16-100, call sign Shark 02) of 817 Squadron RAN at approximately 4 pm (local time) on 2 April 2005 with 11 personnel on board. The accident occurred while Shark 02 was making its approach to land on a soccer field located near the village of Tuindrao in the region of Amandraya on the Indonesian island of Nias. Shark 02 had been providing humanitarian support to the people of the earthquake-devastated region.