Here is the present FAA limitation from 14 CFR 61.3(j):
(j)
Age limitation for certain operations
(1) Age limitation. No person who holds a pilot certificate issued under this part may serve as a pilot on a civil airplane of U.S. registry in the following operations if the person has reached his or her 65th birthday:
(i) Scheduled international air services carrying passengers in turbojet-powered airplanes;
(ii) Scheduled international air services carrying passengers in airplanes having a passenger-seat configuration of more than nine passenger seats, excluding each crewmember seat;
(iii) Nonscheduled international air transportation for compensation or hire in airplanes having a passenger-seat configuration of more than 30 passenger seats, excluding each crewmember seat; or
(iv) Scheduled international air services, or nonscheduled international air transportation for compensation or hire, in airplanes having a payload capacity of more than 7,500 pounds.
Requirement for certificates, ratings, and authorizations