NOAA ship means a research or survey vessel owned or operated by NOAA as part of the NOAA fleet defined at 33 U.S.C. 891(2) , but does not mean a vessel owned or operated by NOAA under the jurisdiction of the NOAA Small Boat Program.
Professional mariner means an individual employed by the Administration on a NOAA ship who has the necessary expertise to serve in the engineering, deck, steward, electronic technician, or survey departments.
Shore leave means a leave of absence, in addition to earned annual leave, that is earned by professional mariners serving aboard NOAA ships, as authorized by section 3079b f title 33, United States Code, and this subpart.
15 C.F.R. §998.51