33 CFR § 187.15 - When is a mortgage a preferred mortgage?

---
identifier: "/us/cfr/t33/s187.15"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 187.15 - When is a mortgage a preferred mortgage?"
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "187.15"
section_name: "When is a mortgage a preferred mortgage?"
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "S"
subchapter_name: "BOATING SAFETY"
part_number: "187"
part_name: "VESSEL IDENTIFICATION SYSTEM"
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. 2103, 12501, 31322; DHS Delegation No. 00170.1, Revision No. 01.2, paragraph (II)(92)."
regulatory_source: "USCG-1999-6420, 66 FR 15630, Mar. 20, 2001, unless otherwise noted."
cfr_part: "187"
---


# 187.15 When is a mortgage a preferred mortgage?

A mortgage, instrument, or agreement granting a security interest perfected under State law covering the whole of a vessel titled under the law of a participating State is a preferred mortgage if the State is certified under § 187.13.