46 CFR § 42.20-40 - Standard height of superstructure.
---
identifier: "/us/cfr/t46/s42.20-40"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 42.20-40 - Standard height of superstructure."
title_number: 46
title_name: "Shipping"
section_number: "42.20-40"
section_name: "Standard height of superstructure."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "E"
subchapter_name: "LOAD LINES"
part_number: "42"
part_name: "DOMESTIC AND FOREIGN VOYAGES BY SEA"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 5101-5116; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.4; section 42.01-5 also issued under the authority of 44 U.S.C. 3507."
cfr_part: "42"
---
# 42.20-40 Standard height of superstructure.
(a) The standard height of a superstructure shall be as given in table 42.20-40(a):
Table 42.20-40(**a**) Standard Heights (in Feet)
| Length () (in feet) | Raised quarter deck | All other super structures |
| --- | --- | --- |
| 98.5 or less | 3.0 | 5.9 |
| 246 | 3.9 | 5.9 |
| 410 or more | 5.9 | 7.5 |
| The standard heights at intermediate lengths of the vessel shall be obtained by linear interpolation. | | |
[CGFR 68-60, 33 FR 10065, July 12, 1968, as amended by CGFR 68-126, 34 FR 9015, June 5, 1969]