46 C.F.R. § 10.707 Examination requirements.
Title 46 - Shipping
(a) An applicant for a license as first class pilot is required to pass the examination described in subpart I of this part. (b) An applicant for an extension of route, or a licensed master or mate authorized to serve on vessels of over 1,600 gross tons seeking an endorsement as first class pilot, is required to pass those portions of the examination described in subpart I of this part that concern the specific route for which endorsement is sought.
Title 46: Shipping
PART 10—LICENSING OF MARITIME PERSONNEL
Subpart G—Professional Requirements for Pilot Licenses
§ 10.707 Examination requirements.