Model Boats haven't been involved with the plans service for some years now. It was sold off to Sarik Hobbies who of course are in the business of selling plans rather than giving them away. Prior to this many of the magazine free plans were incorporated into the plans range for sale but that apparently no longer happens. The magazine used to publish feature plan articles where you ordered the plan after reading the article but this seems to have been discontinued after the transfer of the plans service to Sarik.
Colin
This illustrates a classic problem that model boating (and model flying) is falling into.
During the 1960s, for example, copies of plans commanded considerable prices - they were essential for most people to create a model vehicle - and so a collection was a profitable item. Small companies used to produce their own ranges of models - again, the Intellectual Property invested in these was a valuable asset of the company. If such a company was bought up, the plans and die-cutting tools were essentially what was being bought, and so they appeared on the accountant's books as profit-making property.
Gradually, as the plans became old-fashioned, and the hobby moved on, these items (which held considerable historical value) became less and less valuable in the commercial sense. Although the accountants had defined them as valuable, they were not bringing in money, cost a lot to maintain, and, of course, no one was willing to buy them at the price the accountants had determined that they were worth. But because they were on the books as assets they could not just be 'given away'. In many cases they were just forgotten or written off and destroyed - I guess this is what happened to the Model Aerodrome 'Marinecraft' range, or the 'Felstra' boats. Phil Smith took the Veron range and kept them going for a while - I think some of his aircraft are still available from a company - and the Aerokits range seems to be clinging on. Outer Zone is doing a marvelous job of retaining aircraft plans, but they don't do boats...
It would be nice if there was some form of archive available, like the Public Records Office at Kew, but I don't suppose we can interest the historians at Greenwich in spending money on model plans...