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FAQ: Hull Numbers

What is my boat's hull number?
When was it manufactured?

You'll find your boat's hull identification number (HIN) inscribed on the upper starboard portion of the transom. On older C34s without the walkthough transom, it's also inscribed behind the removable Catalina plate over the stem hatch lid. In addition, you'll find the HIN on your boat's official documents (including insurance certificates).

As Dale Mack explains, hull identification numbers contain the following information:




Manufacturer’s Identification Code



Hull Serial Number



Date of Certification
For example "A4": The "A" stands for January, the "B" would stand for February, etc. The "4" stands for the last digit of the year of manufacture.



Model Year
Reference: U.S. Coast Guard Auxiliary Boating Skills & Seamanship, 11th Edition, pages 2-2 and 2-3.

Juliana's HIN is CTYP0680A888: Therefore, it's a boat manufactured by Catalina Yachts with the serial number P0680 (hull 680); the boat was manufactured in January, 1988, and is an '88 by model year.

Important: The opinions expressed here are those of the individual contributors to this page, and not those of the Catalina 34 National Association or Catalina Yachts, Inc. Additionally, this material has not been reviewed by Catalina Yachts, Inc. for technical accuracy. This page's maintainer cannot guarantee the accuracy of this information or the desirability of suggested modifications or upgrades. Please obtain assistance from a competent marine mechanic or boatyard prior to making any significant modifications to your vessel.   

Last modified by Phil Imhof, Wednesday, August 11, 2004 . Copyright © 2001 by Catalina 34 International Association.  All rights reserved.