3.1 -- Eligibility
All persons engaged in the professional practice of the arts, sciences, or technology of aeronautics or astronautics, or in other work which contributes to the advancement of aeronautics or astronautics, shall be eligible for membership in the Institute.

3.2 -- Definition of Grades
The membership of the Institute shall consist of the following grades of membership, for which the specific qualifications, dues, obligations, prerogatives, transfer, and the causes for termination of membership shall be as fixed by the Bylaws:

HONORARY FELLOWS shall be persons of eminence in aeronautics or astronautics recognized by a long and highly contributive career in the arts, sciences, or technology thereof.

HONORARY MEMBERS shall be persons of distinction associated with aeronautics or astronautics, and shall be elected by the Board.

FELLOWS shall be persons of distinction in aeronautics or astronautics, and shall have made notable and valuable contributions to the arts, sciences, or technology thereof.

ASSOCIATE FELLOWS shall be persons who have accomplished or been in charge of important engineering or scientific work, or who have done original work of outstanding merit, or who have otherwise made outstanding contributions to the arts, sciences, or technology of aeronautics or astronautics.

SENIOR MEMBERS shall be persons who have demonstrated a successful professional practice in the arts, sciences, or technology of aeronautics or astronautics for the equivalent of at least 8 years.

MEMBERS shall be persons who have acquired a professional standing in the practice of the arts, sciences, or technology of aeronautics or astronautics.

ASSOCIATE MEMBERS shall be persons who have an interest in the development or application of aeronautics or astronautics.

AFFILIATE MEMBERS shall be persons who have acquired a professional standing and grade of membership in another scientific or engineering society who desire to maintain a membership in AIAA because of an overlap of technical responsibility and/or interest. The grade will be extended only to members of societies with which reciprocity agreements have been established.

STUDENT MEMBERS shall be persons interested in Astronautics or astronautics whose primary activity is study at recognized colleges, universities, and secondary schools offering curricula and studies acceptable to the Institute.

CORPORATE MEMBERS shall be organizations whose activities include professional practice of the arts, sciences, or technology of aeronautics or astronautics.

3.3 -- Privileges
Honorary Fellows, Fellows, Associate Fellows, Senior Members, and Members shall be eligible to hold office and to vote. Honorary Members shall be entitled to vote but shall not be entitled to be an officer or director.

3.4 -- Expulsion and Suspension
A member may be suspended for a period of time or expelled for cause for conduct or acts deemed to be prejudicial to the Institute. Such suspension or expulsion shall become effective upon the affirmative vote of 2/3 of the entire membership of the Board after service by mail of the written charges to the member and after a hearing upon such charges by the Board. Such notice of meeting shall be given not less than 15 days before the meeting date and such notice shall set forth the time and place of the meeting, and no other business shall be transacted at such meeting. The action of the Board upon either suspension or expulsion shall be final, and during the period of suspension and after expulsion, the member shall forfeit all rights, privileges, and benefits of membership.