What is a 'Free Carrier - FCA'. A free carrier (FCA) is a trade term designating the location the seller is to deliver goods. Most often, the destination is a named airport, terminal or other place where the carrier operates. The cost for transportation is included in the price set by the seller, and the risk of loss is initially on the seller, transferring to the buyer upon delivery to the carrier.
The second is also the base unit of time in other systems of measurement: the centimetre-gram-second, metre-kilogram-second, metre-tonne-second, and foot-pound-second systems of units.n 1956, the second was redefined in terms of a year (the period of the Earth 's revolution around the Sun) for a particular epoch because, by then, it had become recognized that the Earth's rotation on its own axis was not sufficiently uniform as a standard of time.
The International System of Units (SI) or the metric system defines a base unit of time as a second (s). The second is the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom.