Aerosoft Twin Otter Extended - Air Seychelles "Isle of Denis" (S7-DNS) Air Seychelles is a small airline based on the island of Seychelles. "Isle of Denis" named after the eponymic island is one of their newest planes of their Twin Otter Fleet, it's a DHC-6-400 Viking. This Download features completely reworked Twin Otter Extended exterior and interior textures.   IMPORTANT - It's not possible to install this livery using the Twin Otter Extended Livery Manager! Please read the