<xsd:simpleType name="BoatKeelContentType">
    <xsd:annotation>
        <xsd:documentation>
        </xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:normalizedString">
        <xsd:enumeration value="3/4 Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        A keel with length approximately 75% as long as the boat's hull.
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Detachable Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        A keel design that can be removed for transport and stowage.  See daggerboard, centreboard or retractable. 
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Full Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        A keel with length approximately as long as the boat's hull
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Fin Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        A keel shaped like the fin of a fish that is shorter and deeper than a full-length keel.
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Ocean Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        A canting keel with large bulb found on ocean going racing yachts.
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Retractable Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        A keel design that can be raised or lowered for movement in shallow water or for transportation
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Other">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        Keel type is unknown or unlisted
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Twin Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        Two fin keels side by side enabling the yacht to sit upright when out of the water.  Also known as a bilge keel.
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Bulb Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        A type of fin keel with a bulb at the bottom to lower the centre of gravity
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Winged Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        A type of bulb keel but with a wing.
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Lifting Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        A keel that pivots on it's forward edge enabling the keel to be lifted.  Also known a a Swing Keel.
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Daggerboard Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        A keel that can be raised vertically (usually by electric or hydraulic means) to reduce draught.  May also be referred to as centreboard or retractable.
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Canting Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org/">
                        A canting keel is a form of sailing ballast, suspended from a rigid canting strut beneath the boat, which can be swung to windward of a boat under sail, in order to counteract the heeling force of the sail. The canting keel must be able to pivot to either port or starboard, depending on the current tack 
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Triple Keel">
            <xsd:annotation>
                <xsd:documentation source="http://www.starstandard.org">
                        Three fin keels side by side enabling the yacht to sit upright when out of water.
                    </xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
    </xsd:restriction>
</xsd:simpleType>

• BoatKeelContentType
• sqdt:BoatKeelCodeType
• star:BoatKeelCode
• star:BoatKeelCode