46 CFR § 11.701 - Scope of pilot endorsements.
(b) The issuance of an endorsement as first-class pilot to an individual qualifies that individual to serve as pilot over the routes specified on the endorsement, subject to any limitations imposed under paragraph (c) of this section.
(c) The OCMI issuing an endorsement as first-class pilot imposes appropriate limitations commensurate with the experience of the applicant, with respect to class or type of vessel, tonnage, route, and waters.
(d) A license or MMC endorsement issued for service as a master, mate, or operator of uninspected towing vessels authorizes service as a pilot under the provisions of § 15.812 of this subchapter. Therefore, first-class pilot endorsements will not be issued with tonnage limitations of 1,600 GRT or less.