46 CFR § 44.310 - Definitions.

---
identifier: "/us/cfr/t46/s44.310"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 44.310 - Definitions."
title_number: 46
title_name: "Shipping"
section_number: "44.310"
section_name: "Definitions."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "E"
subchapter_name: "LOAD LINES"
part_number: "44"
part_name: "SPECIAL SERVICE LIMITED DOMESTIC VOYAGES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 5101-5116; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGFR 65-50, 30 FR 16755, Dec. 30, 1965, unless otherwise noted."
cfr_part: "44"
---


# 44.310 Definitions.

*Hopper dredge* means a self-propelled dredge with an open hold or hopper in the hull of the dredge that receives dredged material.

*Working freeboard* means one-half the distance between the mark of the load line assigned under this subchapter and the freeboard deck.