From International Dictionary of Marine Aids to Navigation
Jump to navigation Jump to search

The probability that, assuming a fault-free receiver, a user will be able to determine position with specified accuracy and is able to monitor the integrity of the determined position over the (short) time interval applicable for a particular operation within a limited part of the coverage area.

Source: Nick Ward, Vicechair, IALA e-Nav Committee, March 2009

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM