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Old 10-04-2021, 01:08 PM   #34
Snug Harbor
Veteran Member
 
City: Wakefield
Join Date: Jan 2016
Posts: 50
The Coast Guard requires Hull ID numbers, I believe this requirement started with the 1973 model year. There is the transom number and another hidden number. It can be anywhere, we've found them under bolted on bow pulpits for example.

For Mainship;
MPC - MAINSHIP CORP 255 DIESEL RD ST AUGUSTINE FL
MPT - MAINSHIP CORPORATION 3O1 RIVERSIDE DRIVE MILLVILLE NJ


HINs By The Numbers;

A typical hull identification number (HIN) consists of 12 letters and numbers, as in ABC12345D404.

Here's what the letters and numbers mean:

ABC: This is the U.S. Coast Guard-assigned manufacturer identification code (MIC). Go to the USCG Manufacturers Indentification page to access the Coast Guard's MIC database.
https://uscgboating.org/content/manu...tification.php

12345: This is the serial number assigned to the hull by the manufacturer. This may be a combination of letters and numbers. The letters "I," "O," and "Q" are excluded because they could be mistaken for numbers.

D: This is the month of certification, indicating the month in which construction began. "A" represents January and "L" represents December. In our example, "D" means April.

4: This is the year of certification. The number is the last digit of the year in which the boat was built. "4" in this case designates 2004.

04: This indicates the boat's model year.
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