46 CFR § 42.20-25 - Correction for block coefficient.

---
identifier: "/us/cfr/t46/s42.20-25"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 42.20-25 - Correction for block coefficient."
title_number: 46
title_name: "Shipping"
section_number: "42.20-25"
section_name: "Correction for block coefficient."
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"
---


# 42.20-25 Correction for block coefficient.

If the block coefficient (Cb) exceeds 0.68, the tabular freeboard specified in § 42.20-15 as modified, if applicable, by §§ 42.20-5 (b) and (d), and 42.20-20(a) must be multiplied by the factor (Cb + 0.68)/1.36.

[CGD 79-153, 48 FR 38650, Aug. 25, 1983]