was upgraded with improved facilities and an updated livery whose logo incorporated Pelorus Jack. In 1991, New Zealand Rail Ltd, including the Interisland Line, was spun off from the Railways Corporation. In 1993, New Zealand Rail Ltd was privatised and became Tranz Rail in 1995. In 1999, Tranz Rail leased , and between 1999 and 2001 disposed of Arahanga and the Aratika. In 2004, Toll NZ bought out Tranz Rail, and the Interisland Line was renamed the Interislander. Both ships were repainted in a new livery, with a fern replacing Pelorus Jack on the funnel - he moved to the hull with the logo. In 2005, Toll leased Challenger, which in 2007 was renamed . Kaitaki was the first Interislander ferry without a rail deck, and the first with a bow door (all the other ferries were stern boarding). KiwiRail On 1 July 2008, the New Zealand Government purchased Toll NZ, including Interislander, becoming part of KiwiRail. In 2011, Aratere was lengthened by adding a 30-metre midsection to increase its capacity. In November 2012, Interislander staff threatened strike action over the upcoming Christmas period, demanding better wages. Owner KiwiRail responded with a lock-out notice. Freight company Mainfreight slammed the union's actions as "bloody disruptive". In November 2013, Aratere snapped a drive shaft and lost a propeller in the Cook Strait. Interislander chartered to help with the peak summer period while Aratere was under repair. In December 2014, it was announced Stena Alegra would be chartered long-term to replace the ageing Arahura. Arahura last sailed on 29 July 2015, and the Stena Alegra, refurbished and renamed Kaiarahi, entered service in September 2015. All vessels were scheduled to be replaced by two identical rail capable vessels by 2024. Then it was planned that the much larger rail equipped ferries would be introduced in 2024 and 2025. A NZ$551m contract for the ferries was awarded to Hyundai Mipo Dockyard in 2021, with deliveries in 2025 and 2026. The new ferries will triple rail capacity, with space for 40 wagons on each ship. The Lynx The Lynx was the Interislander's fast ferry service across Cook Strait. Pressured by Christchurch businessman Brooke McKenzie and his ill-fated Sea Shuttles NZ fast ferry service, the Interisland Line chartered the to operate a fast service across the strait for the 1994/95 summer. The "Vomit Comet", as it was sometimes dubbed, was an initial success, taking half the time