Black's law dictionary. HENRY CAMPBELL BLACK, M. A.. 1990.
navigational visibility — Visibility as affecting speed with reference to distance within which boat in fog could be brought to stop, before any course of any vessel emerging from fog on either side would cross her projected course alongside the fog bank at its nearest… … Black's law dictionary
Visibility Scorecard — A Visibility Scorecard is the analysis of a collection of known elements (such as meta tags, file formats, code efficiency) that search engines rank websites upon using a scorecard technique. This analysis is an ongoing process used in Search… … Wikipedia
Indian Regional Navigational Satellite System — The Indian Regional Navigational Satellite System (IRNSS) is an autonomous regional satellite navigation system being developed by Indian Space Research Organisation [ [http://www.livemint.com/2007/09/05002237/India to build a constellation.html… … Wikipedia
navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… … Universalium
airport — airport1 /air pawrt , pohrt /, n. a tract of land or water with facilities for the landing, takeoff, shelter, supply, and repair of aircraft, esp. one used for receiving or discharging passengers and cargo at regularly scheduled times. [1915 20;… … Universalium
Instrument flight rules — (IFR) are a set of regulations and procedures for flying aircraft whereby navigation and obstacle clearance is maintained with reference to aircraft instruments only , while separation from other aircraft is provided by Air Traffic Control. In… … Wikipedia
Traffic Control — ➡ law enforcement * * * Introduction supervision of the movement of people, goods, or vehicles to ensure efficiency and safety. Traffic is the movement of people and goods from one location to another. The movement typically occurs… … Universalium
Controlled flight into terrain — CFIT redirects here. For the Canadian radio station in Airdrie, Alberta, see CFIT FM. A piece of the remains of Air New Zealand Flight 901, which crashed in 1979. All 257 people on the plane were killed. Controlled flight into terrain (CFIT)… … Wikipedia
Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass … Wikipedia
Instrument landing system — The Instrument Landing System (ILS) is a ground based instrument approach system that provides precision guidance to an aircraft approaching a runway, using a combination of radio signals and, in many cases, high intensity lighting arrays to… … Wikipedia
