In recognition of the close co-operation between the Society (through the Division) and Engineers Australia (EA) over the years a Memorandum of Understanding was signed in 1998. It was replaced in 2004 with a new Agreement of Co-operation. Through a supplementary agreement it was agreed that the Division would perform the function of a Technical Society of Engineers australia.

Other supplementary agreements with EA cover:

• Joint Board of Aerospace Engineering
• Joint Conferences Committee
• Reciprocal Recognition of Membership and Facilitation of Registration as a Competent Practitioner
• Joint Competency Panel for Aerospace Engineeering
• Participation in Accreditation of Tertiary Engineeering Courses/Programs
• Joint Panel for Review of Aeerospace Engineering Publications