46 CFR § 45.127 - Position of structures, openings, and fittings.

---
identifier: "/us/cfr/t46/s45.127"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 45.127 - Position of structures, openings, and fittings."
title_number: 46
title_name: "Shipping"
section_number: "45.127"
section_name: "Position of structures, openings, and fittings."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "E"
subchapter_name: "LOAD LINES"
part_number: "45"
part_name: "GREAT LAKES LOAD LINES"
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. 5104, 5108; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGD 73-49R, 38 FR 12290, May 10, 1973, unless otherwise noted."
cfr_part: "45"
---


# 45.127 Position of structures, openings, and fittings.

For the purposes of this part—

(a) *Position 1* means in an exposed position on—

(1) The freeboard deck or a raised quarter deck;

(2) A superstructure deck or a trunk deck and forward of a point 
1/4 *L* from the forward perpendicular; or

(3) A trunk deck whose height is less than *H*<sub>s</sub>.

(b) *Position 2* means—

(1) On a superstructure deck aft of a point 
1/4 *L* abaft the forward perpendicular; or

(2) On a superstructure and trunk combination, that is *H*<sub>s</sub> or more n height, aft or a point 
1/4 *L* abaft the forward perpendicular.