Foul (nautical) Foul (nautical) Foul is a nautical term meaning to entangle or entwine, and more generally that something is wrong or difficult. The term dates back to usage with wind-driven sailing ships. It is usually applied to the state of an anchor, which has become hooked on some impediment on the seafloor, or has its cable wound round the stock or flukes. The term is generally utilized when speaking of items of historical value such as the US Navy chief petty officer emblem. The foul anchor is also the official seal of the Lord High Admiral of the United Kingdom, presently
RPM Nautical Foundation RPM Nautical Foundation RPM Nautical Foundation is a non-profit archaeological research and educational organization dedicated to the advancement of maritime archaeology that includes littoral surveys and excavation of individual shipwreck and harbor sites. RPM Nautical Foundation (RPMNF) is organized to operate exclusively for charitable, scientific, literary and educational purposes, all within the meaning of sections 170(c)(2) and 501(c)(3) of the United States Internal Revenue Code. The operating purpose of the company is to engage in the detection, identification, study and preservation of nautical archaeological and historic sites for scientific research, public education, the advancement of technology. The organization also provides