(radar and television aids of navigation)
1navigation — 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.… …
2rocket and missile system — ▪ weapons system Introduction any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly to describe a variety of jet propelled missiles… …
3Automatic Radar Plotting Aid — A maritime radar with Automatic Radar Plotting Aid (ARPA) capability can create tracks using radar contacts. The system can calculate the tracked object s course, speed and closest point of approach (CPA), thereby knowing if there is a danger of… …
4electrical and electronics engineering — Introduction the branch of engineering concerned with the practical applications of electricity in all its forms, including those of the field of electronics. Electronics engineering is that branch of electrical engineering concerned with… …
5Acronym and initialism — For acronyms used on Wikipedia, see Wikipedia:Acronyms. Acronyms and initialisms are abbreviations formed from the initial components in a phrase or name. These components may be individual letters (as in CEO) or parts of words (as in Benelux and …
6Lighthouse — For other uses, see Lighthouse (disambiguation). Speculative drawing (c. 2006) of the Lighthouse of Alexandria, on the island of Pharos …
7Traffic 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… …
8United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
9Korean Air Lines Flight 007 — Flight 007 redirects here. For other uses, see Flight 7 (disambiguation). Korean Air Lines Flight 007 Artist s rendition of HL7442, the KAL 747 lost during Flight 007 Occurrence summary …
10Area 51 — This article is about the U.S. Air Force installation in Nevada. For other uses, see Area 51 (disambiguation). Area 51 …
