Police have confirmed the missing skydiver who fell into Lake Wakatipu on Wednesday is a United States citizen.
Otago Lakes central area commander Inspector Olaf Jensen says police continue to investigate options for locating and recovering the body.
"The Police National Dive Squad will arrive in Queenstown over the weekend to assess conditions and the viability of using sonar equipment to assist with locating and if practical recovering the body.
"The operation is a very complex one given the depth of Lake Wakatipu."
In a media statement released Thursday morning Olaf said due to the nature of the incident and the time passed, the operation had become a recovery operation rather than a rescue.