[camaraderie]

Aside from Yahoo...you might try the e-mail owners lists which can be found under the resources menu at the top of the page.

And:

HINs by the Numbers

A typical hull identification number, or HIN, consists of 12 letters and numbers, as in ABC12345D404.
Here’s what the letters and numbers mean:
ABC: the U.S. Coast Guard-assigned Manufacturer Identification Code. The Coast Guard’s MIC database is online at Manufacturers Identification Code (MIC) Database
Bayfield is BAY or ZBY
12345: the hull serial numbers assigned by the manufacturer, may be a combination of letters and numbers; the letters “I,” “O” and “Q” are excluded because they could be mistaken for numbers.
D: the month of certification or manufacture. Indicates the month in which construction began, with “A” being January and “L” being December. In our example, “D” means April.
4: the year of certification or manufacturer. Indicates the last digit of the year, in this case, 2004, the boat was built.
04: the boat’s model year.