46 CFR § 44.340 - Operating restrictions.

---
identifier: "/us/cfr/t46/s44.340"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 44.340 - Operating restrictions."
title_number: 46
title_name: "Shipping"
section_number: "44.340"
section_name: "Operating restrictions."
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"
---


# 44.340 Operating restrictions.

(a) Each hopper dredge assigned a working freeboard may be operated at drafts from the normal freeboard to the working freeboard if the—

(1) Seas are not more than 10 feet;

(2) Winds are not more than 35 knots;

(3) Area of operation is not more than 20 nautical miles (37 kilometers) from the mouth of a harbor of safe refuge; and

(4) Specific gravity of the spoil carried is not more than the highest specific gravity of spoil used in the stability calculations required by subchapter S of this chapter.

(b) The Assigning Authority designates on the face of the dredge's load line certificate—

(1) Each restriction contained in paragraph (a)(1) through (a)(3) of this section; and

(2) The maximum specific gravity of the spoils allowed to be carried.