Sounds right.  I am #4855 and 1981.
Don B

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On Mar 2, 2010, at 11:07, "Doug" <[email protected]> wrote:

> I have a 1982 but the only place I have seen any reference to hull  
> number is on the name plate attached to the cockpit wall next to the  
> tiller. C-27 and 5053 is all it reads. There are no numbers that I  
> can find on the transom on mine. If it wasn't for the registration I  
> wouldn't know the HIN.
>
> --- In [email protected], "Michael" <mlong9...@...> wrote:
> >
> >
> > How to Read the Hull ID Number
> > There appears to be four numbering schemes in use. Dates for the  
> transition from one scheme to the next might be off plus or minus a  
> year, but I believe it looks something like this:
> >
> > 1971 - 1973, No HIN, just a metal plate at the transom (inside  
> cockpit)
> > 1973 - 1975, No letters for month built (e.g. CTYL16231074)
> > 1975 - 1984, a mysterious "M" is a part of all HIN's  
> (e.g.CTYH9353M80C)
> > 1984 - present, Year built represented with a number (e.g.  
> CTYH5390F697)
> > Model Year. For the boating industry, the new model year starts in  
> August. Since 1975, the Month Built information has been represented  
> with a letter. In 1984 the lettering scheme was changed to make "A"  
> represent the month of January. Here's a look at the two schemes:
> >
> > 1975 - 1984 Jan = F Feb = G Mar = H Apr = I May = J Jun = K
> > Jul = L Aug = A Sep = B Oct = C Nov = D Dec = E
> >
> > 1984 - present Jan = A Feb = B Mar = C Apr = D May = E Jun = F
> > Jul = G Aug = H Sep = I Oct = J Nov = K Dec = L
> >
> > The Model Year scheme in use between 1975 and 1984 derived the  
> Year Built information from the Model Year and from the Month Built.  
> For example, a boat whose last three letters of the HIN were 82A  
> would actually be a 1982 model year Catalina 27 built in August of  
> 1981. Here's three HIN's decoded:
> >
> > CTYL06121172 A Catalina 27 built in 1972. Sail number 0612.
> > CTY =
> > Manufacturer's Identification Code (Catalina Yachts)
> > L =
> > Model (Catalina 27)
> > 0612 =
> > Hull Serial Number
> > 11 =
> > Month Built?
> > 72 =
> > Year Built
> >
> > CTYL4327M79J A 1979 model year Catalina 27. Built in October 1979.  
> Sail number 4327.
> > CTY =
> > Manufacturer's Identification Code (Catalina Yachts)
> > L =
> > Model (Catalina 27)
> > 4327 =
> > Hull Serial Number
> > M =
> > ???
> > 79 =
> > Model Year (1979). August is the start of a new model year.
> > C
> > =
> > Month Built (October). A=August, B=September, and so on.
> >
> > CTYB0184H495 A 1995 model year Catalina 270. Built in August 1994.  
> Sail number 0184.
> > CTY
> > =
> > Manufacturer's Identification Code (Catalina Yachts)
> > B
> > =
> > Model (Catalina 270)
> > 0184
> > =
> > Hull Serial Number
> > H
> > =
> > Month Built (August). A=January, B=February, and so on.
> > 4
> > =
> > Year Built (1994). Last digit of the year of manufacture.
> > 95
> > =
> > Model Year (1995). August is the start of a new model year.
> >
> > --- In [email protected], "Jeff" <jeffrparmenter@> wrote:
> > >
> > > I'm looking at a Catalina 27 down the dock from me and I'd like  
> to know what year it was built.
> > >
> >
>
> 


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