Before revision: Design and construction The International Dragon Boat Federation defines a dragon boat, within competition regulations, to be: "a long displacement boat of an open design, that is based upon a rib less carvel form of hull construction, with the following distinguishing characteristics; no stem, hard chine bilge; W in cross section, minimum freeboard, punt-like entry and exit; rocketed keel that is set back from the twin rail boards and curved sheet line with upsweep extremities".
After revision: Design and construction The International Dragon Boat Federation defines a dragon boat, within competition regulations, to be: "a long displacement boat of an open design, that is based upon a rib-less carvel form of hull construction, with the following distinguishing characteristics; no stem, hard chine bilge; W in cross section, minimum freeboard, punt-like entry and exit; rocketed keel that is set back from the twin rail boards and curved sheet line with upsweep extremities".