What are acceptable types of photo identification?

Driver's license.Government identification card.U.S. Armed Forces' identification card.Official passport.Credential that authorizes unescorted access to a security identification display area at an airport regulated under 49 CFR part 1542.Other form of identification that the Administrator finds acceptable.

To serve as a required pilot flight crewmember of a civil aircraft of the United States, what two things are required to be in a persons personal possession or readily accessible in the aircraft?

Pilot certificate or special purpose pilot authorization.Photo identification.