6.0 Recommended Design Requirements for Drogue Systems
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        As with other facets of marine engineering it is not feasible or perhaps even possible to design for the "ultimate wave" or the worst conceivable storm condition. It is necessary to use judgment based on experience such as the 1979 Fastnet storm, and to choose a set of design requirements which will adequately cover all but a few statistically improbable conditions.

The reasoning which led to the recommendations in this report is discussed below.