Description should include the following:
- There are three classes of medical certificates. The class of certificate needed depends on the type of flying the pilot plans to perform.
- A third-class medical certificate is required for a private or recreational pilot certificate. It is valid for five years for those individuals who have not reached the age of forty; otherwise it is valid for two years. A commercial pilot certificate requires at least a second-class medical certificate, which is valid for one year. First-class medical certificates are required for airline transport pilots and are valid for one year if the airman is forty or younger; forty and older it is valid for six months.
PLT447