It has been in a long-running commercial battle with its main local competitor Great Barrier Xpress Mountain Air (with the Great Barrier division of Mountain Air now sold off and operating separately as Fly My Sky), which it claims has at times used methods like registering the name 'Great Barrier Air' for its own operations (something that was later forbidden by a legal injunction, as it was too close to Great Barrier Airlines own name). The competition between the two airlines is considered as one of the main reasons for the relatively low flight prices, which as of January 2008 remained almost exactly at 1998 prices, despite a trebling of aviation fuel prices in the nine years of competition between the two airlines.