Request for Interpretation of Class Rules concerning chainplate position.

Request for IOM Class Rules Interpretation from CAN NCA.

With the emergence of the new high prismatic narrow hulls with chines, the decks are becoming much narrower than traditional IOM designs.

With a narrow deck, the chainplate position moves inboard and the shroud base gets narrower. I have attached a pictures of a narrow IOM (see below) with rounded sides where the chainplate eye has been placed proud on the center of the topsides to widen the shroud base. See diagram F.

My question is does this contravene class rules?

D.2.3.c Fittings shall not project outboard of the hull shell or deck.

2013 IOM Class Rules

The Techincal Sub-Committee has prepared the 2013 IOM Class Rules, effective 1st. March 2013. The Rig and Hull Measurement forms have   been updated. See Class Rules page. 2013   Certification Control Measurement Forms There have been changes in the forms to reflect rule changes which are noted in the following, but there is no

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