77ae0e81____Code_of_Federal_Regulations__ducting_an_operation_requiring
[If you hold] (2) A second-class medical certificate (i) Any age 12th month after the month of the date of examination shown on the medical certificate.
an airline transport pilot certificate for second-in-command privileges (other than the operations specified in paragraph (d)(1) of this section), a commercial pilot certificate, or an air traffic control tower operator certificate
eCFR — Code of Federal Regulations