How long is a FAA class 3 medical good for?

A FAA Class 3 medical certificate is valid for up to 60 months (5 years) for individuals under the age of 40, and up to 24 months (2 years) for those 40 and older. However, the validity period can be affected by specific medical conditions or other factors determined by the aviation medical examiner. Pilots must maintain the validity of their medical certification to exercise their flying privileges.