John Holland Aviation Services (JHAS) is a division of the John Holland Group, one of Australia's largest and most diverse specialist contracting businesses. It is the only heavy aircraft independent MRO in Australia and features comprehensive EASA coverage.  

Our state-of-the-art aviation engineering facilities are among the largest in the country with full component and aircraft servicing capability. JHAS provides the capability to service commercial jetliners and military aircraft from all major manufacturers, as well as upcoming new generation aircraft.  

Headquartered in Melbourne, we also provide fully integrated airport and specialist services to support airline operators and facilities.  

Our world class facility is equally suited to support any business requiring high-tech precision maintenance. Based on our depth of specialist expertise, JHAS is expanding its services outside of the aviation sector to meet emerging customers' needs.  

JHAS services overview