Sea Calculator

A simple calculator for navigators that calculates: 1) ETA - Time and date of arrival, route in Nm, Km, m, along with fuel consumption and fuel costs 2) Wind speed converter - knots, Km/h, M/h, Beaufort degrees, along with sea images 3) UKC - Under Keel Clearance with Squad calculation 4) GM - dynamic stability calculated from the rolling period