---
kind: "section"
citation: "15 C.F.R. § 998.51"
title: "15"
number: "998.51"
heading: "Definitions."
url: "https://uscodex.org/cfr/15/998.51"
---

# §998.51. Definitions.


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)](/usc/33/891.md?p=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](/usc/33/3079b.md) of title 33, United States Code, and this subpart.


## Notes

### Authority

Authority: 33 U.S.C. 3079b.

### Source

Source: 88 FR 48725, July 28, 2023, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 3001 et seq.

### Source

Source: 87 FR 31708, May 25, 2022, unless otherwise noted.