The company said Australian business had learnt a lesson from COVID-19 about domestic capability as borders closed and crucial supply chains were shut down.
Its current maintenance is carried out in the UK, Slovakia, Singapore and Costa Rica.
It said by onshoring all of its base maintenance there would be savings of between $5 million to $7 million a year, including 1.5 million litres of fuel.
As part of the onshoring of the maintenance it would also recruit 25 apprentices.
“A significant additional advantage will be the greater availability of aircraft in service which is estimated to provide for an additional one aircraft annually with resulting improvement in revenue and profit, as a result,” Alliance said.
Managing director Scott McMillan said the company’s decision to expand its fleet to 74 aircraft meant it had to rethink its maintenance, but the project would not have been approved without the support of three levels of government and the Northern Australia Infrastructure Facililty.
“Rockhampton has always been part of our operations over the last 20 years and was an obvious choice for is given its geographical location, weather and incredible support from all stakeholders,” McMillan said.