---
kind: "section"
citation: "33 C.F.R. § 174.19"
title: "33"
number: "174.19"
heading: "Contents of a certificate of number."
url: "https://uscodex.org/cfr/33/174.19"
---

# §174.19. Contents of a certificate of number.

- (a) Except as allowed in [paragraph (b)](#b) of this section, each certificate of number must contain the following information:
  - (1) **Number issued to the vessel.**
  - (2) **Expiration date of the certificate.**
  - (3) **State of principal operation.**
  - (4) **Name of owner.**
  - (5) **Address of owner, including ZIP code.**
  - (6) **Primary operation—** Authorized terms are, “charter fishing”, “commercial fishing”, “commercial passenger carrying”, “dealer or manufacturer demonstration”, “other commercial operation”, “pleasure”, or “rent or lease”.
  - (7) **Hull identification number, if any.**
  - (8) **Make and model of vessel.**
  - (9) **Model year.**
  - (10) **Overall length of vessel.**
  - (11) **Vessel type—** Authorized terms are “air boat”, “auxiliary sail”, “cabin motorboat”, “houseboat”, “inflatable boat”, “open motorboat”, “paddlecraft”, “personal watercraft”, “pontoon boat”, “rowboat”, “sail only”, or “other”.
  - (12) **Hull material—** Authorized terms are “aluminum”, “fiberglass”, “plastic”, “rubber/vinyl/canvas”, “steel”, “wood”, or “other”.
  - (13) **Propulsion type—** Authorized terms are “air thrust”, “manual”, “propeller”, “sail”, “water jet”, or “other”.
  - (14) **Engine drive type—** Authorized terms are “inboard”, “outboard”, “pod drive”, “sterndrive”, or “other”.
  - (15) **Fuel—** Authorized terms are “electric”, “diesel”, “gas”, or “other”.
- (b)
  - (1) A certificate of number issued to a manufacturer or dealer for use on a vessel for test or demonstration purposes may omit the information under [paragraphs (a)(7) through (a)(15)](#a-7..a-15) of this section if the word “manufacturer” or “dealer” is plainly marked on the certificate.
  - (2) A certificate of number issued for a vessel without propulsion machinery may omit paragraphs [(a)(14)](#a-14) and [(a)(15)](#a-15) of this section if the words “manual vessel” are plainly marked on the certificate.
  - (3) An issuing authority may print on the certificate of number a quotation of State boating regulations or other boating-related information, such as safety reminders, registration, or law enforcement contact information.

## Notes

### Amendments

[USCG-2003-14963, 77 FR 18702, Mar. 28, 2012, as amended by USCG-2024-1103, 90 FR 52879, Nov. 24, 2025]

### Authority

Authority: 46 U.S.C. 6101 and 12302; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 72-54R, 37 FR 21402, Oct. 7, 1972, unless otherwise noted.

### Amendments

[USCG-2003-14963, 77 FR 18702, Mar. 28, 2012, as amended by USCG-2024-1103, 90 FR 52879, Nov. 24, 2025]