Originally Posted by PilotWombat

This is exactly what happens. When you transition to LTD, you are given the option to remain as an "Active" member for three years and pay dues on any non-disability income but still have the option to vote, or to go "Inactive-Sick" and not owe any dues but also no voting. After three years, you're forced to go Inactive-Sick.

Source, am disabled according to the FAA.