A charter flight from Russia will arrive in Christchurch on Friday.
The freshwater fishing season kicked off on October 1.
The industry hopes to expand, which means farming in more exposed locations.
Last month a select committee recommended the Government "give serious consideration to commercialising trout fishing" after considering a petition received in 2018.
The cameras on boats saga has dragged on for many years.
Six of the vessels have apparently been faking their true location.
The spot is favoured for its clear waters and is unique for the ability to see spawning trout.
A prominent Chatham Islands fisherman has been sentenced to home detention and community service for failing to declare over 11 tonnes of shellfish.
Fishers say the money on offer from the Government to help some of them adopt more dolphin-friendly methods falls well short and will put some out of business.